Accumulated Other Comprehensive Income (Loss) Components of Changes in Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019	Dec. 31, 2018
Accumulated Other Comprehensive Income (Loss) [Line Items]
AOCI, Debt Securities, Available-for-sale without Allowance for Credit Loss, Cumulative Gain (Loss), after Tax	$ 2,166	$ 877	$ 2,166	$ 877	$ 822	$ (545)
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax	269	363	269	363	340	(41)
Accumulated other comprehensive income	2,435	1,240	2,435	1,240	$ 1,162	$ (586)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax			1,652	1,730
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax			(379)	96
Change in unrealized loss on investments			1,344	1,422
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax			(71)	404
Other Comprehensive Income (Loss), Net of Tax			1,273	1,826
Available-for-sale debt securities:
Accumulated Other Comprehensive Income (Loss) [Line Items]
OCI, before Reclassifications, Net of Tax, Attributable to Parent	1,093	724	1,444	1,379
Reclassification adjustment	(15)	15	(100)	43
Cash flow hedges:
Accumulated Other Comprehensive Income (Loss) [Line Items]
OCI, before Reclassifications, Net of Tax, Attributable to Parent	(108)	148	208	351
Reclassification adjustment	$ (88)	$ 43	$ (279)	$ 53