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Stock Based Compensation Plan (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Apr. 28, 2015
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Intrinsic value of options exercised	$ 363	$ 2,500
Share-based compensation expense	0	0
Unrecognized share-based compensation expense	0
Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	197	139
Fair value of vested shares	139	$ 306
Unrecognized share-based compensation expense	$ 895
Recognition period	1 year 7 months 6 days
Restricted Stock Awards \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting term	2 years
Restricted Stock Awards \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting term	5 years
2015 Plan \| Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares reserved for issuance			976,211
Number of shares available for grant	301,422
Vesting term	5 years
Expiration term	10 years
2015 Plan \| Stock options \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Price of stock expressed in fair value percentage	100.00%
2015 Plan \| Stock options \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term of award	10 years
2006 Plan \| Stock options \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized	1,490,700