Segment and Geographical Information - Long Lived Assets and Continuing Operations by Country (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	$ 803,375	$ 688,385	$ 1,546,204	$ 1,378,422
Long-lived assets	40,318		40,318		$ 38,267
United States [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	707,697	602,132	1,355,039	1,205,982
Long-lived assets	37,724		37,724		35,434
Canada [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	95,678	$ 86,253	191,165	$ 172,440
Long-lived assets	2,409		2,409		2,636
Other [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Long-lived assets	$ 185		$ 185		$ 197