Stock Options and Restricted Stock - Stock Option Plans (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Stock Option Plans
Outstanding at Beginning of Year	1,913,444	1,768,745
Granted	421,500	290,000
Exercised	(305,950)	(133,301)
Forfeitures	(14,000)	(12,000)
Outstanding at Period End	2,014,994	1,913,444	1,768,745
Options Exercisable at Period End	1,348,744	1,492,069
Weighted Average Exercise Price
Outstanding at Beginning of Year	$ 9.35	$ 7.67
Granted	10.84	17.50
Exercised	3.15	4.33
Forfeitures	14.63	14.77
Outstanding at Period End	10.57	9.35	$ 7.67
Options Exercisable at Period End	$ 9.36	$ 7.51
Employee Stock Option [Member]
Weighted Average Exercise Price
Compensation expense for stock options	$ 851	$ 1,100	$ 922

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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