Income Taxes (Income Tax Provision) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Current:
Federal	$ 30,274	$ 38,801	$ 23,333
State and local	5,852	13,541	4,934
Foreign	2,869	4,741	760
Total current income tax provision	38,995	57,083	29,027
Deferred:
Federal	(1,012)	(13,425)	(3,687)
State and local	1,252	(6,775)	819
Foreign	(2,201)	2,745	3,069
Total deferred income tax provision	(1,961)	(17,455)	201
Federal	29,262	25,376	19,646
State and local	7,104	6,766	5,753
Foreign	668	7,486	3,829
Total income tax expense	$ 37,034	$ 39,628	$ 29,228