Noninterest Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Non-interest income
Total noninterest income	$ 11,811	$ 7,855	$ 5,516
Administrative service income
Non-interest income
Total noninterest income	491	2,528
Merchant services income
Non-interest income
Total noninterest income	10,403	4,620
ACH income
Non-interest income
Total noninterest income	573	341
Other
Non-interest income
Total noninterest income	$ 344	$ 366