Earnings Per Share: Schedule of Earnings Per Share Reconciliation (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Earnings Per Share [Abstract]
Net income	$ 1,501	$ 3,946	$ 5,111	$ 10,014
Less: Earnings allocated to participating securities	(4)	(13)	15	33
Earnings allocated to common shareholders	$ 1,497	$ 3,933	$ 5,096	$ 9,981
Basic weighted average common shares outstanding (in shares)	9,127,568	8,981,037	9,117,554	8,983,806
Dilutive stock options (in shares)	13,991	75,195	23,069	90,608
Dilutive restricted stock grants (in shares)	8,500	12,309	6,086	13,792
Diluted weighted average common shares outstanding (in shares)	9,150,059	9,068,541	9,146,709	9,088,206
Basic earnings per share (in dollars per share)	$ 0.16	$ 0.44	$ 0.56	$ 1.11
Diluted earnings per share (in dollars per share)	$ 0.16	$ 0.43	$ 0.56	$ 1.10