Derivative Financial Instruments Derivative Financial Instruments - Schedule of LIBOR interest rate caps (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Mar. 04, 2021	Feb. 02, 2021	Dec. 31, 2020	Nov. 01, 2020	Jul. 01, 2020	Mar. 02, 2020	Jan. 28, 2020	Jan. 10, 2020	May 15, 2019
Derivative [Line Items]
Notional Amount	$ 938,714			$ 874,606
Interest rate caps | LIBOR
Derivative [Line Items]
Notional Amount	598,854
Premium Paid	920
Not designated as accounting hedges
Derivative [Line Items]
Notional Amount	264,480			200,000
Not designated as accounting hedges | Interest rate caps
Derivative [Line Items]
Notional Amount	214,480			150,000
Not designated as accounting hedges | Interest rate caps | LIBOR
Derivative [Line Items]
Notional Amount		$ 14,479	$ 100,000							$ 100,000
Strike Rate		2.50%	0.50%							2.50%
Premium Paid		$ 4	$ 45							$ 288
Designated as accounting hedge | Interest rate caps
Derivative [Line Items]
Notional Amount	$ 384,375			$ 384,375
Designated as accounting hedge | Interest rate caps | LIBOR
Derivative [Line Items]
Notional Amount						$ 100,000	$ 100,000	$ 50,000	$ 50,000
Strike Rate						0.50%	1.50%	1.75%	1.75%
Premium Paid						$ 232	$ 111	$ 62	$ 87
Designated as accounting hedge | Interest rate caps | SOFR
Derivative [Line Items]
Notional Amount					$ 84,375
Strike Rate					1.84%
Premium Paid					$ 91