Share-Based Compensation Arrangements (Compensation Cost for Share-based Compensation Arrangements) (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Share-Based Payment Arrangement [Abstract]
Share-based compensation expense		$ 3,247	$ 3,316	$ 3,766
Related income tax benefits	[1]	857	978	801
Excess Tax Expense (Benefit) from Stock Option Exercises and Issuance of Other Compensation-related Equity Instruments		$ 78	$ 182	$ (103)

[1] Includes $78 thousand and $182 thousand, respectively, of excess tax benefits recognized upon the settlement of share-based compensation awards in 2022 and 2021. Includes $103 thousand of excess tax expenses recognized upon the settlement of share-based compensation awards in 2020.