Derivative Instruments (Effect of Derivatives on Condensed Consolidated Statements of Operations (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Interest expense, net	[1]	$ 8,557	$ 8,475	$ 20,594	$ 21,821
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Interest rate contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Income (loss) recognized in other comprehensive income (loss), net of tax		8,920	(7,384)	(34,112)	(26,576)
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Interest rate contracts [Member] | Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Reclassifications from AOCL to earnings	[2]	$ 2,412	$ 406	$ 5,072	$ 668

[1] Bond discounts and deferred loan fees are reported within interest expense, net on the Condensed Consolidated Statements of Operations.

[2] Realized loss on hedging instruments consist of net swap cash payments and interest accruals on interest rate swaps during the periods.