Derivative Financial Instruments - Schedule of Derivatives (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Derivative [Line Items]
Notional amount	$ 790,594						$ 790,594		$ 496,642
Asset, Fair Value	126						126		25
Liability, Fair Value	(16,470)						(16,470)		(7,720)
Change in fair value of interest rate derivatives	330			$ (529)			(1,412)	$ (3,926)
Unrealized cash flow hedge losses	(118)	$ (2,279)	$ (7,489)	(1,247)	$ (3,459)	$ (1,003)	(9,886)	(5,709)
Total change in fair value of interest rate derivatives	212			(1,776)			(11,298)	(9,635)
Interest rate swaps
Derivative [Line Items]
Notional amount	340,594						340,594
Total change in fair value of interest rate derivatives	323			(1,477)			(10,907)	(7,679)
Interest rate caps
Derivative [Line Items]
Total change in fair value of interest rate derivatives	(111)			$ (299)			(391)	$ (1,956)
Not designated as accounting hedges
Derivative [Line Items]
Notional amount	200,000						200,000		350,000
Asset, Fair Value	11						11		25
Liability, Fair Value	(3,389)						(3,389)		(1,992)
Not designated as accounting hedges | Interest rate swaps
Derivative [Line Items]
Notional amount	50,000						50,000		100,000
Asset, Fair Value	0						0		0
Liability, Fair Value	(3,389)						(3,389)		(1,992)
Not designated as accounting hedges | Interest rate caps
Derivative [Line Items]
Notional amount	150,000						150,000		250,000
Asset, Fair Value	11						11		25
Liability, Fair Value	0						0		0
Designated as accounting hedge | Interest rate swaps
Derivative [Line Items]
Notional amount	290,594						290,594		146,642
Asset, Fair Value	0						0		0
Liability, Fair Value	(13,081)						(13,081)		(5,728)
Designated as accounting hedge | Interest rate caps
Derivative [Line Items]
Notional amount	300,000						300,000		0
Asset, Fair Value	115						115		0
Liability, Fair Value	$ 0						$ 0		$ 0