Property Portfolio (Details)

v3.19.1

Property Portfolio (Details) $ in Thousands						1 Months Ended								12 Months Ended
	Nov. 16, 2018 USD ($)	Oct. 12, 2018 USD ($)	Aug. 03, 2018 USD ($)	Jul. 03, 2018 USD ($)	Mar. 02, 2018 USD ($)	Dec. 20, 2018 USD ($)	Dec. 19, 2018 USD ($)	Oct. 30, 2018 USD ($)	Mar. 22, 2018 USD ($)	Feb. 23, 2018 USD ($)	Feb. 09, 2018 USD ($)	Aug. 18, 2017 USD ($)	Jun. 27, 2017 USD ($)	Dec. 31, 2018 USD ($)		Dec. 31, 2017 USD ($)		Dec. 31, 2016 USD ($)	Nov. 30, 2018	Apr. 19, 2018 USD ($)	Jan. 24, 2018	Dec. 22, 2017 USD ($)	Dec. 21, 2017 USD ($)	Dec. 20, 2017 USD ($)	Dec. 18, 2017 USD ($)	Nov. 10, 2017 USD ($)	Sep. 25, 2017 USD ($) a	Aug. 30, 2017 USD ($)	Aug. 15, 2017 USD ($)	Jun. 30, 2017 USD ($)	Apr. 21, 2017 USD ($)	Mar. 31, 2017 USD ($)	Mar. 10, 2017 USD ($)	Mar. 01, 2017 USD ($)	Feb. 09, 2017 USD ($)	Feb. 01, 2017 USD ($)	Jan. 12, 2017 USD ($)	Jan. 10, 2017 USD ($)
Property, Plant and Equipment [Line Items]
Allowance for Tenant Improvements														$ 2,535		$ 0		$ 0
Depreciation, Total														13,644		7,929		2,335
Property, Plant and Equipment, Additions														200,680	[1]	264,630	[2]
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable														946
Payments for (Proceeds from) Productive Assets														180,837		252,220		150,459
Tenant Improvement Allowances Receivable														17,000		10,000
Lessee, Operating Lease, Description							the Company leased the facilities to Prospect ECHN, Inc. One lease has an initial term of 15 years with two consecutive 10-year extension option, and the other lease has an initial term of 12 years with two consecutive 10-year extension options.
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest														$ 64,051		11,300
Lessor, Operating Lease, Renewal Term														2 years 6 months					2 years 6 months			5 years	5 years
Lessor, Operating Lease, Term of Contract														7 years												16 years
Number of Acquistion														1
Below Market Lease, Acquired																1,110
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net																										$ 11,900
Payments for Tenant Improvements														$ 2,535		0		$ 0
Great Bend Regional Hospital [Member]
Property, Plant and Equipment [Line Items]
Disposal Group, Including Discontinued Operation, Consideration						$ 32,500
Gain (Loss) on Disposition of Assets						7,700
Proceeds from Divestiture of Businesses						$ 31,600
Lease Intangibles Asset [Member]
Property, Plant and Equipment [Line Items]
Finite-Lived Intangible Asset, Useful Life														7 years 1 month 10 days
Lease Intangibles Liability [Member]
Property, Plant and Equipment [Line Items]
Finite-Lived Intangible Asset, Useful Life														8 years 8 months 12 days
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Real Estate Owned, Transfer to Real Estate Owned														$ 2,535
Lubbock Facility [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Additions																8,200
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest														8,200
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net												$ 8,200
Lease Expiration Period												2029
Moline Facility [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Additions																12,007
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest														11,900
Lessor, Operating Lease, Term of Contract																					10 years
Gainesville Facility [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Additions										$ 10,500				10,510
Lessor, Operating Lease, Term of Contract										12 years
Dallas Facility [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Additions					$ 23,300									23,284
Orlando Facilities [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Additions									$ 16,400
Lessor, Operating Lease, Renewal Term									10 years
Belpre Facility [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Additions														64,683
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable														16,362
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest																				$ 64,100
Operating Lease, Weighted Average Remaining Lease Term																				11 years 4 months 6 days
McAllen Facility [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Additions				$ 5,400										5,395
Lessor, Operating Lease, Renewal Term				11 years
Lessor, Operating Lease, Term of Contract				10 years
Derby Facility [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Additions			$ 3,600											3,604
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest														3,581
Corona Facility [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Additions														16,290
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable														$ 16,362
Lessor, Operating Lease, Term of Contract														12 years
Bountiful Facility [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Additions		$ 4,900												$ 4,905
Lessor, Operating Lease, Term of Contract		15 years
Cincinnati Facility [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Additions								$ 4,000						4,126
Lessee, Operating Lease, Description								(i) the lease of Unit A with seven years remaining in the initial term and three consecutive five year renewal options; (ii) the lease of Unit B with eight years remaining in the initial term and three consecutive five year renewal options; and (iii) the lease of Unit C with seven years remaining in the initial term and three consecutive five year renewal options.
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest														4,074
Melbourne Facility [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Additions	$ 7,700													7,719
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest														7,719
Lessor, Operating Lease, Renewal Term	2 years 6 months
Lessor, Operating Lease, Term of Contract	5 years
Southern IL Facilities [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Additions														$ 14,490
Lessor, Operating Lease, Term of Contract														12 years
Southern IL Facilities [Member] | SSM Health Care St Louis [Member]
Property, Plant and Equipment [Line Items]
Lessor, Operating Lease, Renewal Term														2 years 6 months
Southern IL Facilities [Member] | Metro East Dermatology [Member]
Property, Plant and Equipment [Line Items]
Lessor, Operating Lease, Renewal Term														1 year
Lessor, Operating Lease, Term of Contract														1 year
Southern IL Facilities [Member] | Quest Diagnostics Clinical Laboratories [Member]
Property, Plant and Equipment [Line Items]
Lessor, Operating Lease, Term of Contract														9 months					9 months
Southern IL Facilities [Member] | Heartland Womens Healthcare IL PC [Member]
Property, Plant and Equipment [Line Items]
Lessor, Operating Lease, Renewal Term														2 years 6 months
Lessor, Operating Lease, Term of Contract														12 years
Southern IL Facilities [Member] | Heart land Womens Healthcare Ltd [Member]
Property, Plant and Equipment [Line Items]
Lessee, Operating Lease, Description														For the first five years of the initial term, the Master Tenant master leases the entire building (with the leases existing at the time of closing being converted to subleases between the Master Tenant and such tenants). For the last seven years of the initial term and any renewal terms, the premises is reduced to 6,592 rentable square feet
Southern IL Facilities [Member] | Heart land Womens Healthcare Ltd [Member] | Marion [Member]
Property, Plant and Equipment [Line Items]
Lessor, Operating Lease, Renewal Term														2 years 6 months					2 years 6 months
Lessor, Operating Lease, Term of Contract														12 years
Southern IL Facilities [Member] | Heart land Womens Healthcare Ltd [Member] | Mount Vernon [Member]
Property, Plant and Equipment [Line Items]
Lessor, Operating Lease, Renewal Term														2 years 6 months					2 years 6 months
Lessor, Operating Lease, Term of Contract														12 months
Vernon Facilities [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Additions							$ 10,900							$ 11,095
Clermont Facility [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Additions																5,435
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest														5,225
Lessor, Operating Lease, Term of Contract																																		71 years
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net																																		$ 5,200
Flower Mound Facility [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Additions																4,292
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest														4,050
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net													$ 4,100
Lease Expiration Period													2026
Brockport Facility [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Additions																9,085
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest														8,670
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net													$ 8,700
Lease Expiration Period													2030
Germantown Facility [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Additions																15,940
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest														15,940
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net																												$ 15,900
Austin Facility [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Additions																40,650
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest														40,650
Lessor, Operating Lease, Term of Contract																											9 years 7 months 6 days
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net																											$ 40,700
Area of Land | a																											1.27
Fort Worth Facility [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Additions																6,250
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest														6,250
Lessor, Operating Lease, Term of Contract																										10 years
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net																										$ 6,300
Albertville Facility [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Additions																6,800
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest														6,800
Lessor, Operating Lease, Term of Contract																										11 years
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net																										$ 6,800
Lees Summit Facility [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Additions																3,937
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest														3,800
Lessor, Operating Lease, Term of Contract																									7 years
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net																									$ 3,800
Sandusky Facility Acquisition One [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Additions																4,407
Lessor, Operating Lease, Renewal Term																																	5 years
Lessor, Operating Lease, Term of Contract																																	11 years
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net																																	$ 4,300
Sandusky Facility Acquisition Two [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Additions																1,076
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net																															$ 1,100
Sandusky Facility Acquisition Three [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Additions																1,271
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net																													$ 1,200
Great Bend Facility [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Additions																24,638
Lessor, Operating Lease, Renewal Term																																10 years
Lessor, Operating Lease, Term of Contract																																15 years
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net																																$ 24,500
Sherman facility [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Additions																26,612
Lessor, Operating Lease, Renewal Term																														10 years
Lessor, Operating Lease, Term of Contract																														20 years
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net																														$ 26,000
Amarillo [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Additions																8,691
Lessor, Operating Lease, Renewal Term																								10 years
Lessor, Operating Lease, Term of Contract																								12 years
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net																								$ 8,700
Wyomissing [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Additions																5,737
Lessor, Operating Lease, Term of Contract																							10 years
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net																							$ 5,600
Saint George [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Additions																5,807
Lessor, Operating Lease, Term of Contract																						12 years
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net																						$ 5,800
Oklahoma City Facilities [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Additions																$ 49,500
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest														49,500
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed After Transaction Costs																																49,500
OCOM North
Property, Plant and Equipment [Line Items]
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed After Transaction Costs																																5,100
OCOM South
Property, Plant and Equipment [Line Items]
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed After Transaction Costs																																$ 44,400
Moline Silvis Facilities [Member]
Property, Plant and Equipment [Line Items]
Allowance for Tenant Improvements														2,568
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest														6,900
Payments for Tenant Improvements														2,568
Sherman, Silvis, and Gainesville Facilities [Member]
Property, Plant and Equipment [Line Items]
Allowance for Tenant Improvements														9,000
Payments for Tenant Improvements														$ 9,000
Fremont Facility [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Additions											$ 8,500
Lessor, Operating Lease, Term of Contract											12 years
Cape Coral Facility [Member]
Property, Plant and Equipment [Line Items]
Lessor, Operating Lease, Renewal Term																																						5 years
Lessor, Operating Lease, Term of Contract																																						10 years
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed After Transaction Costs																																						$ 7,300
Las Cruces Facility [Member]
Property, Plant and Equipment [Line Items]
Lessor, Operating Lease, Renewal Term																																				5 years
Lessor, Operating Lease, Term of Contract																																				12 years
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed After Transaction Costs																																				$ 5,000
Prescott Facility [Member]
Property, Plant and Equipment [Line Items]
Lessor, Operating Lease, Renewal Term																																			7 years
Lessor, Operating Lease, Term of Contract																																			10 years
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net																																			$ 4,500
Lewisburg facility [Member]
Property, Plant and Equipment [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net																																					$ 7,300
[1] The Belpre, Southern IL, and Corona acquisitions included an aggregate of $16,362 of OP Units issued as part of the total consideration for those transactions. As indicated in footnote (1) above, $2,535 of completed construction-in-process costs were reclassified to investment in real estate during the year ended December 31, 2018. Additionally, an aggregate of $946 of intangible liabilities were acquired from the acquisitions that occurred during the year ended December 31, 2018. Accordingly, the total addition to gross investment in real estate funded with cash was $180,837. [2] The Lubbock and Moline facility acquisitions included an aggregate of approximately $11,300 of OP Units issued as part of the total consideration. Additionally, an aggregate of $1,110 of intangible liabilities were acquired from the acquisitions that occurred during the year ended December 31, 2017, resulting in total gross investments funded using cash of $252,220