Earnings per Share (Details) - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Earnings per share:
Basic earnings per common share (in dollars per share)	$ 2.23	$ 3.03	$ 3.17
Diluted earnings per common share (in dollars per share)	$ 2.22	$ 3.02	$ 3.16
Basic weighted average shares outstanding (in shares)	30,625,000	30,510,000	30,511,000
Diluted weighted average shares outstanding (in shares)	30,664,000	30,571,000	30,594,000
Antidilutive securities excluded from computation (in shares)	177,000	181,875	181,875
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
Basic weighted average shares outstanding (in shares)	30,625,000	30,510,000	30,511,000
Incremental shares for common stock equivalents (in shares)	39,000	61,000	83,000
Diluted shares outstanding (in shares)	30,664,000	30,571,000	30,594,000