Stock Award Plans and Stock-Based Compensation - Restricted Stock Awards (Details) - Restricted Stock Grants - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	Feb. 19, 2022	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards forfeited in period (in shares)	12,802			0
Share-based payment charges		$ 10	$ 40	$ 30	$ 700