Accrued Expenses and Other Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Payables and Accruals [Abstract]
Accrued employee compensation	$ 46,455	$ 38,750
Operating lease obligations	10,774	9,790
Accrued interest	11,945	13,048
Accrued professional fees	20,795	4,732
Other accrued expenses	106,475	82,177
Total	$ 196,444	$ 148,497