Change in Accumulated Other Comprehensive Income ("AOCI") (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]
Gain on sale of available-for-sale debt securities	$ 1,012	$ 34	$ 1,725	$ 467
Income tax expense	1,498	2,592	928	5,308
Net Income	8,006	10,384	4,507	29,173
Reclassification out of Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income (Loss) [Line Items]
Gain on sale of available-for-sale debt securities	1,012	34	1,725	467
Income tax expense	248	9	422	115
Net Income	$ 764	$ 25	$ 1,303	$ 352