Accumulated Other Comprehensive Loss - Reclassifications out of AOCI (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]
Interest rate swaps	$ 291	$ (19)	$ (1,367)	$ (123)
Income tax effect of item above	7,497	6,665	24,734	15,607
Net income	47,829	27,548	131,093	66,660
Reclassification out of Accumulated Other Comprehensive Income | Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss) [Line Items]
Interest rate swaps	(3,175)	(413)	(6,488)	(611)
Income tax effect of item above	692	0	1,461	0
Net income	$ (2,483)	$ (413)	$ (5,027)	$ (611)