Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Goodwill and Intangible Assets
Gross Carrying Amount	$ 332,148	$ 342,191
Accumulated Amortization	(204,708)	(183,054)
Net	127,440	159,137
Amortization of Intangible Assets	31,200	34,700	$ 36,900
Future Amortization Expense, Year One	29,500
Future Amortization Expense, Year Two	20,300
Future Amortization Expense, Year Three	19,500
Future Amortization Expense, Year Four	18,900
Future Amortization Expense, Year Five	11,200
Customer relationships
Goodwill and Intangible Assets
Gross Carrying Amount	258,337	268,180
Accumulated Amortization	(156,141)	(144,655)
Net	102,196	123,525
Other Intangible Assets
Goodwill and Intangible Assets
Gross Carrying Amount	73,811	74,011
Accumulated Amortization	(48,567)	(38,399)
Net	$ 25,244	$ 35,612