Stock Options - Schedule of Stock Options Granted (Details) - $ / shares							9 Months Ended
	Jan. 20, 2023	Jan. 18, 2022	Apr. 09, 2021	Mar. 11, 2020	Mar. 15, 2019	Aug. 27, 2015	Sep. 30, 2023	Dec. 31, 2022	Sep. 30, 2022
Employee Stock Purchase Plan
Shares (in shares)						58,125	89,000
Forfeited (in shares)						(26,250)	(3,000)
Exercised (in shares)						(28,875)
Outstanding (in shares)						3,000	1,000,000	914,000	917,000
Strike price (in dollars per share)						$ 28.02	$ 27.77
Vesting period (in years)						5 years
Expiration (in years)						10 years
Tranche One
Employee Stock Purchase Plan
Shares (in shares)	59,500	156,000	156,500	119,300	120,900		59,500
Forfeited (in shares)	0	0	0	0	(19,800)
Exercised (in shares)	0	0	0	0	0
Outstanding (in shares)	59,500	156,000	156,500	119,300	101,100
Strike price (in dollars per share)	$ 27.77	$ 24.10	$ 24.23	$ 25.34	$ 28.01
Vesting period (in years)	3 years	3 years	3 years	3 years	3 years
Expiration (in years)	10 years	10 years	10 years	10 years	10 years
Tranche Two
Employee Stock Purchase Plan
Shares (in shares)	29,500	78,000	78,000	119,200	119,100		29,500
Forfeited (in shares)	0	0	0	0	(19,200)
Exercised (in shares)	0	0	0	0	0
Outstanding (in shares)	29,500	78,000	78,000	119,200	99,900
Strike price (in dollars per share)	$ 27.77	$ 24.10	$ 24.23	$ 25.34	$ 28.01
Vesting period (in years)	5 years	5 years	5 years	5 years	5 years
Expiration (in years)	10 years	10 years	10 years	10 years	10 years