Employee Benefit Plans - Stock Appreciation Right Activity (Details) - Stock Appreciation Rights (SARs) [Member] - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Number
Outstanding (in shares)	73,000	67,000
Granted (in shares)	22,000	18,000
Exercised (in shares)	(34,000)
Forfeited/Expired (in shares)	(6,000)	(12,000)
Outstanding (in shares)	55,000	73,000
Weighted Average Exercisable Price
Weighted Average Exercisable Price, Outstanding (in dollars per share)	$ 19.02	$ 20.54
Granted (in dollars per share)	20.70	15.19
Weighted Average Exercisable Price Exercised (in dollars per share)	21.61
Weighted Average Exercisable Price Forfeited/Expired (in dollars per share)	18.00	21.72
Weighted Average Exercise Price, Outstanding (in dollars per share)	$ 18.21	$ 19.02