Stock Options - Schedule of Stock Options Granted (Details) - $ / shares								3 Months Ended	103 Months Ended
	Jan. 17, 2024	Jan. 20, 2023	Jan. 18, 2022	Apr. 09, 2021	Mar. 11, 2020	Mar. 15, 2019	Aug. 27, 2015	Mar. 31, 2024	Mar. 31, 2024	Dec. 31, 2023
Employee Stock Purchase Plan
Shares (in shares)							58,125	97,000	1,191,125
Forfeited (in shares)							(26,250)	0	(65,250)
Exercised (in shares)							(28,875)		(28,875)
Outstanding (in shares)							3,000	1,097,000	1,097,000	1,000,000
Strike price (in dollars per share)							$ 28.02	$ 20.85	$ 25.13
Vesting period (in years)							5 years
Expiration (in years)							10 years
Tranche One
Employee Stock Purchase Plan
Shares (in shares)	64,700	59,500	156,000	156,500	119,300	120,900		64,700
Forfeited (in shares)	0	0	0	0	0	(19,800)
Exercised (in shares)	0	0	0	0	0	0
Outstanding (in shares)	64,700	59,500	156,000	156,500	119,300	101,100
Strike price (in dollars per share)	$ 20.85	$ 27.77	$ 24.10	$ 24.23	$ 25.34	$ 28.01
Vesting period (in years)	3 years	3 years	3 years	3 years	3 years	3 years
Expiration (in years)	10 years	10 years	10 years	10 years	10 years	10 years
Tranche Two
Employee Stock Purchase Plan
Shares (in shares)	32,300	29,500	78,000	78,000	119,200	119,100		32,300
Forfeited (in shares)	0	0	0	0	0	(19,200)
Exercised (in shares)	0	0	0	0	0	0
Outstanding (in shares)	32,300	29,500	78,000	78,000	119,200	99,900
Strike price (in dollars per share)	$ 20.85	$ 27.77	$ 24.10	$ 24.23	$ 25.34	$ 28.01
Vesting period (in years)	5 years	5 years	5 years	5 years	5 years	5 years
Expiration (in years)	10 years	10 years	10 years	10 years	10 years	10 years