Earnings Per Share: Schedule of Earnings Per Share Reconciliation (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Earnings Per Share [Abstract]
Net income	$ 1,488	$ 2,808	$ 3,610	$ 6,068
Less: Earnings allocated to participating securities	(4)	(9)	11	20
Earnings allocated to common shareholders	$ 1,484	$ 2,799	$ 3,599	$ 6,048
Basic weighted average common shares outstanding (in shares)	9,120,468	8,982,969	9,112,464	8,985,213
Dilutive stock options (in shares)	3,759	96,386	28,412	98,323
Dilutive restricted stock grants (in shares)	0	6,558	6,845	16,543
Diluted weighted average common shares outstanding (in shares)	9,124,227	9,085,913	9,147,721	9,100,079
Basic earnings per share (in dollars per share)	$ 0.16	$ 0.31	$ 0.39	$ 0.67
Diluted earnings per share (in dollars per share)	$ 0.16	$ 0.31	$ 0.39	$ 0.66