Fixed Assets and Capitalized Software - Schedule of Depreciation and Amortization (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Amortization of capitalized software	$ 24,886	$ 20,718	$ 25,913
Depreciation of fixed assets	8,452	10,192	14,007
Total depreciation and amortization expense	33,338	30,910	39,920
Assets under leaseback obligations
Property, Plant and Equipment [Line Items]
Depreciation of fixed assets	$ 700	$ 1,700	$ 1,700