Share-Based Transactions - Nonemployee Share-Based Transactions, Cost and Tax Benefit (Details) - Nonemployee Shares [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Share Based Goods And Nonemployee Services Transaction [Line Items]
Quarterly incentive awards expense recognized currently	$ 4,060	$ 4,036	$ 3,630
Quarterly incentive awards expense deferred	11,260	10,807	10,071
Tax benefit associated with incentive awards	$ 3,056	$ 2,904	$ 2,692