Fair Value Measurements (Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis) (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Mar. 31, 2021
Derivatives Fair Value [Line Items]
Interest rate cap agreements	$ (15,654)	$ (22,725)
Total	(15,654)	(22,725)
Significant Other Observable Inputs (Level 2)
Derivatives Fair Value [Line Items]
Interest rate cap agreements	(15,654)	(22,725)
Total	$ (15,654)	$ (22,725)