Segment and Geographical Information - Long Lived Assets and Continuing Operations by Country (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	$ 2,720,133	$ 2,709,732	$ 2,217,541
Long-lived assets	52,657	67,022	57,727
United States [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	2,355,139	2,311,051	1,895,708
Long-lived assets	49,637	62,921	53,281
Canada [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Revenues	364,994	398,681	321,833
Long-lived assets	2,803	3,871	$ 4,446
Other [Member]
Revenues From External Customers And Long Lived Assets [Line Items]
Long-lived assets	$ 217	$ 230