Earnings Per Share: Schedule of Earnings Per Share Reconciliation (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Earnings Per Share [Abstract]
Net income	$ 12,249	$ 8,556
Undistributed Earnings (Loss) Allocated to Participating Securities, Basic	(58)	(14)
Earnings allocated to common shareholders	$ 12,191	$ 8,542
Basic weighted-average common shares outstanding	9,340,997	9,734,493
Dilutive effect of stock options	95,584	20,460
Dilutive effect of restricted stock grants	17,914	3,691
Diluted weighted-average common shares outstanding	9,454,495	9,758,644
Basic earnings (loss) per share (usd per share)	$ 1.31	$ 0.88
Diluted earnings (loss) per share (usd per share)	$ 1.29	$ 0.88