Quarterly report pursuant to Section 13 or 15(d)

Credit Facility, Notes Payable and Derivative Instruments - Derivative Instruments (Details)

v3.20.1
Credit Facility, Notes Payable and Derivative Instruments - Derivative Instruments (Details)
$ in Millions
Mar. 31, 2020
USD ($)
item
Interest Rate Swap [Member]  
Debt Instrument [Line Items]  
Derivative, Number of Instruments Held | item 5
Derivative, Fixed Interest Rate 2.17%
Derivative, Notional Amount $ 300
Interest Rate Swap Agreement with Interest Rate 1.21 Percent Maturing August 2024 [Member]  
Debt Instrument [Line Items]  
Derivative, Fixed Interest Rate 1.21%
Derivative, Notional Amount $ 90
BMO Harris Bank N.A. [Member] | Interest Rate Swap Agreement with Interest Rate 2.88 Percent Maturing August 2023 [Member]  
Debt Instrument [Line Items]  
Derivative, Fixed Interest Rate 2.88%
Derivative, Notional Amount $ 100
Truist Bank [Member] | Interest Rate Swap Agreement with Interest Rate 1.21 Percent Maturing August 2024 [Member]  
Debt Instrument [Line Items]  
Derivative, Fixed Interest Rate 1.21%
Derivative, Notional Amount $ 40
Truist Bank [Member] | Interest Rate Swap Agreement with Interest Rate 2.93 Percent Maturing August 2024 [Member]  
Debt Instrument [Line Items]  
Derivative, Fixed Interest Rate 2.93%
Derivative, Notional Amount $ 40
Citizens Bank National Association [Member] | Interest Rate Swap Agreement with Interest Rate 2.93 Percent Maturing August 2024 [Member]  
Debt Instrument [Line Items]  
Derivative, Fixed Interest Rate 2.93%
Derivative, Notional Amount $ 30