Change in Accumulated Other Comprehensive Income ("AOCI") (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]
Gain on sale of available-for-sale securities	$ 320	$ 406	$ 713	$ 433
Income tax expense	(863)	2,297	(570)	2,716
Net Income (Loss)	(7,356)	9,439	(3,499)	18,789
Reclassification out of Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income (Loss) [Line Items]
Gain on sale of available-for-sale securities	320	406	713	433
Income tax expense	78	100	174	107
Net Income (Loss)	$ 242	$ 306	$ 539	$ 326