Other Real Estate Owned (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Other Real Estate Owned
Balance, beginning of year	$ 441	$ 147	$ 326
Acquisitions	0	0	524
Foreclosures	208	644	15
Sales	(537)	(329)	(1,055)
Gain (loss) on sale	(57)	(20)	346
Write downs	(55)	(1)	(9)
Balance, end of year	$ 0	$ 441	$ 147