Shareholders' Equity, Earnings Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Numerator [Abstract]
Net income	$ 66,336	$ 58,734	$ 56,036
Denominator [Abstract]
Weighted average number of common shares outstanding (in shares)	789,646	793,337	787,227
Weighted average number of dilutive shares outstanding (in shares)	789,646	793,337	787,227
Basic earnings per common share (in dollars per share)	$ 84.01	$ 74.03	$ 71.18
Diluted earning per commons share (in dollars per share)	$ 84.01	$ 74.03	$ 71.18