Derivative Financial Instruments - Impact of Derivatives on Consolidated Statement of Changes in Stockholders' Equity (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Amount of loss recognized in other comprehensive income (loss)	$ 76	$ (9,566)	$ (53,707)	$ (45,211)
Less: amount of gain (loss) reclassified in interest expense	(5,176)	517	(10,922)	3,002
Total change in other comprehensive income (loss) for unrealized gains (losses) on derivatives, before income tax (expense) benefit	$ 5,252	$ (10,083)	$ (42,785)	$ (48,213)