Comprehensive Income (Loss) AOCI Rollforward (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance			$ 10,510
Other comprehensive income, net of tax	$ 6,129	$ 8,012	11,426	$ 11,146
Ending Balance	21,936		21,936
Unrealized losses on cash flow hedges
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(2,063)	0	0	0
Other comprehensive income, net of tax	(301)	0	(2,364)	0
Ending Balance	(2,364)	0	(2,364)	0
Accumulated other comprehensive income/(loss), net
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	15,807	1,850	10,510	(1,284)
Other comprehensive income, net of tax	6,129	8,012	11,426	11,146
Ending Balance	21,936	9,862	21,936	9,862
Unrealized gains on debt securities
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	17,870	1,850	10,510	(1,284)
Other comprehensive income, net of tax	6,430	8,012	13,790	11,146
Ending Balance	$ 24,300	$ 9,862	$ 24,300	$ 9,862