Share-Based Compensation Arrangements (Compensation Cost for Share-based Compensation Arrangements) (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-Based Payment Arrangement [Abstract]
Share-based compensation expense		$ 2,064	$ 3,247	$ 3,316
Related income tax benefits	[1]	492	857	978
Excess tax (expense) benefit recognized upon the settlement of share-based compensation awards		$ (34)	$ 78	$ 182

[1] Includes $34 thousand of excess tax expense recognized upon the settlement of share-based compensation awards in 2023, compared to $78 thousand and $182 thousand, respectively, of excess tax benefits in 2022 and 2021.