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Derivatives and Hedging Activities (Details) - USD ($) $ in Thousands		3 Months Ended		12 Months Ended
	Apr. 15, 2020	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2021	Jul. 14, 2020	May 06, 2020	Dec. 31, 2019
Derivative instruments and hedging activities disclosures
Unrealized (loss) gain recorded in other comprehensive income		$ (17,028)	$ (4,466)
Interest expense		11,183	$ 9,498
Subsequent Event
Derivative instruments and hedging activities disclosures
Debt face amount	$ 150,000				$ 50,000	$ 100,000
Debt Term	7 years
Interest Rate Swap \| Designated as Hedging Instrument
Derivative instruments and hedging activities disclosures
Notional Amount		775,000					$ 325,000
Interest Rate Swap \| Designated as Hedging Instrument \| Cash Flow Hedging \| Forecast
Derivative instruments and hedging activities disclosures
Amount estimated to be reclassified as an increase to interest expense				$ 6,000
Interest Rate Swap \| Designated as Hedging Instrument \| Level 2
Derivative instruments and hedging activities disclosures
Fair Value		(19,773)					(2,656)
Interest rate swap expiring 5/20/2020 \| Designated as Hedging Instrument
Derivative instruments and hedging activities disclosures
Notional Amount		$ 75,000					75,000
Strike Rate		1.43%
Interest rate swap expiring 5/20/2020 \| Designated as Hedging Instrument \| Level 2
Derivative instruments and hedging activities disclosures
Fair Value		$ (30)					67
Interest rate swap expiring 4/5/2023 \| Designated as Hedging Instrument
Derivative instruments and hedging activities disclosures
Notional Amount		$ 75,000					75,000
Strike Rate		2.72%
Interest rate swap expiring 4/5/2023 \| Designated as Hedging Instrument \| Level 2
Derivative instruments and hedging activities disclosures
Fair Value		$ (5,469)					(2,819)
Interest rate swap expiring 4/1/2025 \| Designated as Hedging Instrument
Derivative instruments and hedging activities disclosures
Notional Amount		$ 100,000					100,000
Strike Rate		1.59%
Interest rate swap expiring 4/1/2025 \| Designated as Hedging Instrument \| Level 2
Derivative instruments and hedging activities disclosures
Fair Value		$ (5,918)					55
Second interest rate swap expiring 4/1/2025 \| Designated as Hedging Instrument
Derivative instruments and hedging activities disclosures
Notional Amount		$ 75,000					75,000
Strike Rate		1.59%
Second interest rate swap expiring 4/1/2025 \| Designated as Hedging Instrument \| Level 2
Derivative instruments and hedging activities disclosures
Fair Value		$ (4,439)					$ 41
Interest rate swap expiring 4/19/2022 \| Designated as Hedging Instrument
Derivative instruments and hedging activities disclosures
Notional Amount		$ 200,000
Strike Rate		0.56%
Interest rate swap expiring 4/19/2022 \| Designated as Hedging Instrument \| Level 2
Derivative instruments and hedging activities disclosures
Fair Value		$ (1,104)
Interest rate swap expiring 10/5/2023 \| Designated as Hedging Instrument
Derivative instruments and hedging activities disclosures
Notional Amount		$ 75,000
Strike Rate		0.61%
Interest rate swap expiring 10/5/2023 \| Designated as Hedging Instrument \| Level 2
Derivative instruments and hedging activities disclosures
Fair Value		$ (738)
Interest rate swap expiring 10/12024 \| Designated as Hedging Instrument
Derivative instruments and hedging activities disclosures
Notional Amount		$ 175,000
Strike Rate		0.64%
Interest rate swap expiring 10/12024 \| Designated as Hedging Instrument \| Level 2
Derivative instruments and hedging activities disclosures
Fair Value		$ (2,075)