Property Portfolio - (Details)

v3.22.0.1

Property Portfolio - (Details) $ in Thousands																																					12 Months Ended
	Dec. 20, 2021 USD ($) lease tenant	Dec. 16, 2021 USD ($) lease	Dec. 13, 2021 USD ($)	Dec. 03, 2021 USD ($) lease building	Oct. 05, 2021 USD ($)	Sep. 30, 2021 USD ($) lease	Sep. 15, 2021 USD ($) lease tenant	Jul. 29, 2021 USD ($)	Jul. 28, 2021 USD ($) lease building	Jun. 02, 2021 USD ($) lease	Apr. 21, 2021 USD ($)	Apr. 19, 2021 USD ($) lease building	Apr. 16, 2021 USD ($) lease	Apr. 13, 2021 USD ($) property lease	Apr. 06, 2021 USD ($) lease	Mar. 09, 2021 USD ($)	Jan. 15, 2021 USD ($) lease building	Jan. 12, 2021 USD ($) lease	Dec. 30, 2020 USD ($) lease building	Dec. 29, 2020 USD ($) building tenant lease	Dec. 14, 2020 USD ($) lease building	Dec. 01, 2020 USD ($) building lease	Nov. 23, 2020 USD ($)	Nov. 18, 2020 USD ($) lease building	Oct. 27, 2020 USD ($) building lease tenant	Oct. 20, 2020 USD ($) building lease tenant	Sep. 30, 2020 USD ($) lease	Sep. 18, 2020 USD ($)	Jul. 31, 2020 USD ($) lease tenant	Jul. 17, 2020 USD ($)	Jul. 16, 2020 USD ($)	Apr. 27, 2020 USD ($)	Mar. 20, 2020 USD ($) lease	Mar. 04, 2020 USD ($)	Feb. 27, 2020 USD ($)	Feb. 13, 2020 USD ($)	Dec. 31, 2021 USD ($) tenant property	Dec. 31, 2020 USD ($) property	Dec. 31, 2019 USD ($)
Property, Plant and Equipment [Line Items]
Number of Properties Acquired | property																																					20	18
Depreciation, Total																																					$ 33,825	$ 26,747	$ 19,066
Tenant Improvement Allowances Receivable																																					27,760
Acquisitions																																					$ 204,710	$ 237,376
Debt Instrument, Term																																					4 years 3 months 10 days	2 years 9 months 14 days
Number of tenants | tenant																																					189
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest																																					$ 23,980
Weighted average remaining term																																					40 years
Net book value of property being sold																																					$ 29,500
Gross proceeds from sale					$ 44,600
Commercial mortgage-backed securities (CMBS)
Property, Plant and Equipment [Line Items]
Debt Instrument, Face Amount																																$ 12,100
Debt Instrument, Interest Rate, Stated Percentage																																4.68%
Debt Instrument, Term																																4 years
Lease Intangibles Asset [Member]
Property, Plant and Equipment [Line Items]
Finite-Lived Intangible Asset, Useful Life																																					5 years
Lease Intangibles Liability [Member]
Property, Plant and Equipment [Line Items]
Finite-Lived Intangible Asset, Useful Life																																					4 years
Land [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																					$ 23,994	$ 33,476
El Paso Facility [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																		$ 10,000																			10,017
Number or leases assumed | lease																		3
Weighted average remaining term																		4 years
El Paso Facility [Member] | Land [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																					899
Syracuse Facility [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																	$ 6,200																				6,397
Number or leases assumed | lease																	2
Weighted average remaining term																	8 years
Syracuse Facility [Member] | Land [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																					616
West El Paso Facility [Member]
Property, Plant and Equipment [Line Items]
Number of Properties Acquired | building																	2
Acquisitions																	$ 9,600																				9,578
Number of new leases entered into | lease																	2
Lessor, Operating Lease, Term of Contract																	12 years
Leases with tenant renewal options | lease																	3
Weighted average remaining term																	7 years
West El Paso Facility [Member] | Land [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																					851
Fort Worth Facility [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																$ 17,400																					17,444
Weighted average remaining term																8 years
Fort Worth Facility [Member] | Land [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																					1,817
Port St. Lucie Facility [Member]
Property, Plant and Equipment [Line Items]
Acquisitions															$ 4,800																						4,787
Number or leases assumed | lease															2
Weighted average remaining term															6 years
Port St. Lucie Facility [Member] | Land [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																					590
Cape Coral and Fort Myers Facility [Member]
Property, Plant and Equipment [Line Items]
Number of Properties Acquired | property														6
Acquisitions														$ 31,700																							31,701
Number or leases assumed | lease														6
Weighted average remaining term														5 years
Cape Coral and Fort Myers Facility [Member] | Land [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																					5,623
Dallas Facility [Member]
Property, Plant and Equipment [Line Items]
Acquisitions													$ 6,400																								6,719
Number or leases assumed | lease													2
Weighted average remaining term													7 years
Dallas Facility [Member] | Land [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																					3,101
East Grand Forks Facility [Member]
Property, Plant and Equipment [Line Items]
Number of Properties Acquired | building												2
Acquisitions												$ 9,700																									10,278
Number or leases assumed | lease												2
Weighted average remaining term												4 years
East Grand Forks Facility [Member] | Land [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																					845
Coos Bay Facility [Member]
Property, Plant and Equipment [Line Items]
Acquisitions											$ 6,500																										6,472
Weighted average remaining term											3 years
Coos Bay Facility [Member] | Land [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																					861
Caledonia Facility [Member]
Property, Plant and Equipment [Line Items]
Acquisitions										$ 3,900																											3,910
Number or leases assumed | lease										4
Weighted average remaining term										4 years
Caledonia Facility [Member] | Land [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																					582
Tallahassee Facility [Member]
Property, Plant and Equipment [Line Items]
Acquisitions										$ 9,200																											9,244
Number or leases assumed | lease										2
Weighted average remaining term										9 years
Tallahassee Facility [Member] | Land [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																					782
Forsyth Facility [Member]
Property, Plant and Equipment [Line Items]
Number of Properties Acquired | building									2
Acquisitions									$ 19,300																												19,424
Number or leases assumed | lease									6
Weighted average remaining term									10 years
Forsyth Facility [Member] | Land [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																					1,554
North Charleston Facility [Member]
Property, Plant and Equipment [Line Items]
Acquisitions								$ 7,200																													7,180
Weighted average remaining term								15 years
North Charleston Facility [Member] | Land [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																					927
Munster Facility [Member]
Property, Plant and Equipment [Line Items]
Acquisitions							$ 6,700																														6,736
Number or leases assumed | lease							5
Number of new leases entered into | lease							3
Number of tenants assumed | tenant							5
Number of tenants | tenant							3
Weighted average remaining term							7 years
Munster Facility [Member] | Land [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																					780
Hialeah Facility [Member]
Property, Plant and Equipment [Line Items]
Acquisitions						$ 11,700																															11,844
Number or leases assumed | lease						42
Lessor, Operating Lease, Term of Contract						39 years
Weighted average remaining term						2 years
Athens Facility [Member]
Property, Plant and Equipment [Line Items]
Acquisitions						$ 5,300																															5,339
Weighted average remaining term						3 years
Athens Facility [Member] | Land [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																					564
Lemoyne Facility [Member]
Property, Plant and Equipment [Line Items]
Number of Properties Acquired | building				2
Acquisitions				$ 5,200																																	5,336
Number or leases assumed | lease				1
Number of new leases entered into | lease				1
Weighted average remaining term				12 years
Lemoyne Facility [Member] | Land [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																					299
Athens 200 Facility [Member]
Property, Plant and Equipment [Line Items]
Acquisitions			$ 2,000																																		2,043
Weighted average remaining term			2 years
Athens 200 Facility [Member] | Land [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																					327
Mentor Facility [Member]
Property, Plant and Equipment [Line Items]
Acquisitions		$ 10,300																																			10,469
Number or leases assumed | lease		12
Weighted average remaining term		4 years
Mentor Facility [Member] | Land [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																					2,249
Oklahoma City Facility [Member]
Property, Plant and Equipment [Line Items]
Acquisitions	$ 8,900																																				8,905
Number or leases assumed | lease	3
Number of new leases entered into | lease	1
Number of tenants assumed | tenant	3
Weighted average remaining term	6 years 6 months
Oklahoma City Facility [Member] | Land [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																					$ 727
High Point Facility [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																				$ 25,100		25,081
Lessor, Operating Lease, Term of Contract																																				3 years
High Point Facility [Member] | Land [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																						1,749
Clinton Facility [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																			$ 11,600			11,619
Lessor, Operating Lease, Term of Contract																																			4 years
Clinton Facility [Member] | Land [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																						664
West Allis Facility [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																		$ 9,100				9,357
Lessor, Operating Lease, Term of Contract																																		4 years
West Allis Facility [Member] | Land [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																						974
Grand Rapids Facility [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																	$ 22,700					22,794
Number or leases assumed | lease																																	11
Lessor, Operating Lease, Term of Contract																																	5 years
Grand Rapids Facility [Member] | Land [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																						2,951
Dumfries Facility [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																$ 19,600
Lessor, Operating Lease, Term of Contract																																9 years 6 months
Centerville Facility [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																															$ 5,100							5,071
Lessor, Operating Lease, Term of Contract																															10 years 6 months
Centerville Facility [Member] | Land [Member]
Property, Plant and Equipment [Line Items]
Weighted average remaining term																															49 years
Fairfax Facility [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																														$ 17,900								19,745
Lessor, Operating Lease, Term of Contract																														9 years 1 month 6 days
Fairfax Facility [Member] | Land [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																						6,731
Rosedale Facilities [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																													$ 23,100									23,891
Debt Instrument, Face Amount																													$ 14,800
Debt Instrument, Interest Rate, Stated Percentage																													3.85%
Debt Instrument, Term																													5 years
Number or leases assumed | lease																													8
Number of tenants assumed | tenant																													6
Lessor, Operating Lease, Term of Contract																													6 years 7 months 6 days
Rosedale Facilities [Member] | Land [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																						2,856
Lancaster Facility [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																												$ 6,300										6,305
Lessor, Operating Lease, Term of Contract																												8 years 6 months
Lancaster Facility [Member] | Land [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																						696
Winston-Salem Facility [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																											$ 8,500											9,240
Number or leases assumed | lease																											5
Lessor, Operating Lease, Term of Contract																											4 years
Winston-Salem Facility [Member] | Land [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																						1,524
Decatur and Jackson Facility [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																										$ 10,900												10,912
Number or leases assumed | lease																										6
Number of tenants assumed | tenant																										5
Number of medical offices | building																										2
Lessor, Operating Lease, Term of Contract																										6 years
Decatur and Jackson Facility [Member] | Decatur [Member]
Property, Plant and Equipment [Line Items]
Number of medical offices | building																										1
Decatur and Jackson Facility [Member] | Jackson [Member]
Property, Plant and Equipment [Line Items]
Number of medical offices | building																										1
Decatur and Jackson Facility [Member] | Land [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																						2,237
Sheboygan and Plymouth Facility [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																									$ 13,800													13,824
Number or leases assumed | lease																									3
Number of tenants assumed | tenant																									2
Number of medical offices | building																									2
Lessor, Operating Lease, Term of Contract																									5 years
Sheboygan and Plymouth Facility [Member] | Sheboygan [Member]
Property, Plant and Equipment [Line Items]
Number of medical offices | building																									1
Sheboygan and Plymouth Facility [Member] | Plymouth [Member]
Property, Plant and Equipment [Line Items]
Number of medical offices | building																									1
Sheboygan and Plymouth Facility [Member] | Land [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																						1,088
Spring Hill and Hudson Facility [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																								$ 18,200														18,218
Number or leases assumed | lease																								3
Number of medical offices | building																								3
Lessor, Operating Lease, Term of Contract																								8 years
Spring Hill and Hudson Facility [Member] | Spring Hill [Member]
Property, Plant and Equipment [Line Items]
Number of medical offices | building																								2
Spring Hill and Hudson Facility [Member] | Hudson [Member]
Property, Plant and Equipment [Line Items]
Number of medical offices | building																								1
Spring Hill and Hudson Facility [Member] | Land [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																						3,473
Cape Girardeau Facility [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																							$ 7,400															7,350
Lessor, Operating Lease, Term of Contract																							6 years
Cape Girardeau Facility [Member] | Land [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																						1,150
Yuma Facility [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																						$ 7,000																6,979
Number or leases assumed | lease																						2
Number of medical offices | building																						2
Lessor, Operating Lease, Term of Contract																						4 years
Yuma Facility [Member] | Land [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																						1,041
Las Vegas Facility [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																					$ 7,100																	7,124
Number of tenants assumed | lease																					2
Number of medical offices | building																					2
Lessor, Operating Lease, Term of Contract																					12 years
Las Vegas Facility [Member] | Land [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																						311
Pensacola Facility [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																				$ 9,100																		9,052
Number or leases assumed | lease																				3
Number of tenants assumed | tenant																				2
Number of medical offices | building																				3
Lessor, Operating Lease, Term of Contract																				9 years
Pensacola Facility [Member] | Land [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																						1,786
Venice Facility [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																			$ 7,000																			6,975
Number or leases assumed | lease																			2
Number of medical offices | building																			2
Lessor, Operating Lease, Term of Contract																			5 years 6 months
Venice Facility [Member] | Land [Member]
Property, Plant and Equipment [Line Items]
Acquisitions																																						$ 1,648