Stock Options - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands								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, 2023	Mar. 31, 2024	Jan. 01, 2024	Dec. 31, 2023
Employee Stock Purchase Plan
Options, outstanding (in shares)							3,000	1,097,000		1,097,000		1,000,000
Granted (in shares)							58,125	97,000		1,191,125
Granted (in dollars per share)							$ 28.02	$ 20.85		$ 25.13
Exercisable period (in years)							5 years
Tranche One
Employee Stock Purchase Plan
Options, outstanding (in shares)	64,700	59,500	156,000	156,500	119,300	101,100
Granted (in shares)	64,700	59,500	156,000	156,500	119,300	120,900		64,700
Granted (in dollars per share)	$ 20.85	$ 27.77	$ 24.10	$ 24.23	$ 25.34	$ 28.01
Exercisable period (in years)	3 years	3 years	3 years	3 years	3 years	3 years
Tranche Two
Employee Stock Purchase Plan
Options, outstanding (in shares)	32,300	29,500	78,000	78,000	119,200	99,900
Granted (in shares)	32,300	29,500	78,000	78,000	119,200	119,100		32,300
Granted (in dollars per share)	$ 20.85	$ 27.77	$ 24.10	$ 24.23	$ 25.34	$ 28.01
Exercisable period (in years)	5 years	5 years	5 years	5 years	5 years	5 years
Employee Stock Option
Employee Stock Purchase Plan
Options, outstanding (in shares)											1,000,000
Exercisable period (in years)								10 years
Compensation expense								$ 273	$ 253
Number of exercisable options (in shares)								323,300		323,300
Weighted average remaining contractual term (in years)								5 years 3 months 14 days
Unrecognized compensation cost for non-vested shares								$ 1,348		$ 1,348
Period for recognition (in years)								1 year 6 months 7 days
Employee Stock Option | Tranche One
Employee Stock Purchase Plan
Exercisable period (in years)								3 years
Employee Stock Option | Tranche Two
Employee Stock Purchase Plan
Exercisable period (in years)								5 years