Comprehensive Income (Loss) AOCI Rollforward (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	$ 10,510
Other comprehensive income, net of tax	5,297	$ 3,134
Ending Balance	15,807
Unrealized gains (losses) cash flow
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	0	0
Other comprehensive income, net of tax	(2,063)	0
Ending Balance	(2,063)	0
Accumulated other comprehensive income/(loss), net
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	10,510	(1,284)
Other comprehensive income, net of tax	5,297	3,134
Ending Balance	15,807	1,850
Unrealized gains (losses) debt securities
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	10,510	(1,284)
Other comprehensive income, net of tax	7,360	3,134
Ending Balance	$ 17,870	$ 1,850