Stockholders' Equity - AOCI T2 rows (Details) - USD ($) $ in Thousands	1 Months Ended		3 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Mar. 31, 2021	Mar. 31, 2020
Accumulated Other Comprehensive Income (Loss)
Reclassifications, before tax	$ 182	$ 43	$ 488	$ 135
Reclassifications, tax (expense) benefit		(10)		(32)
Reclassifications, net of tax	182	33	488	103
Other changes, before reclassifications, before tax	14	739	2,991	(6,602)
Other changes, before reclassifications, tax (expense) benefit		(171)		1,638
Total other changes before reclassifications, net of tax	14	568	2,991	(4,964)
Total other comprehensive (loss) income, before tax	196	782
Total income tax benefit (expense) included in other comprehensive (loss) income		(181)
Total other comprehensive income (loss), net of tax	196	601	3,479	(4,861)
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss)
Total other comprehensive (loss) income, before tax			3,479	(6,467)
Total income tax benefit (expense) included in other comprehensive (loss) income				1,606
Total other comprehensive income (loss), net of tax	196	601	3,479	(4,861)
Unrealized Gain (Loss) on Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss)
Reclassifications, net of tax	182	33	488	103
Total other changes before reclassifications, net of tax	$ 14	$ 568	$ 2,991	$ (4,964)