Stock-Based Compensation Plans - Summary of Stock Option Activity (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Stock Options
Outstanding at beginning of year (in shares)	270,487
Granted (in shares)	13,000
Exercised (in shares)	(4,500)
Forfeited (in shares)	(11,900)
Expired (in shares)	(8,100)
Outstanding at end of year (in shares)	258,987	270,487
Weighted-average Exercise Price
Outstanding at beginning of year (in dollars per share)	$ 112.61
Granted (in dollars per share)	65.99
Exercised (in dollars per share)	68.61
Forfeited (in dollars per share)	126.67
Expired (in dollars per share)	118.70
Outstanding at end of year (in dollars per share)	$ 110.20	$ 112.61
Stock Options, Additional Disclosures
Weighted average remaining contractual term of stock options outstanding	4 years 2 months 12 days
Aggregate intrinsic value	$ 240,858
Stock options vested and expected to vest (in shares)	257,062
Stock options vested and expected to vest, weighted average exercise price (in dollars per share)	$ 110.45
Weighted average remaining contractual term of stock options expected to vest	4 years 2 months 12 days
Aggregate intrinsic value of stock options expected to vest	$ 231,823
Stock options exercisable at the end of the period (in shares)	179,150
Stock options exercisable at the end of the period, weighted average exercise price (in dollars per share)	$ 118.90
Weighted average remaining contractual term of stock options exercisable	2 years 9 months 18 days
Aggregate intrinsic value of stock options exercisable	$ 0
Intrinsic value of stock options exercised	$ 100,000	$ 2,600,000	$ 2,400,000