Property, Equipment and Capitalized Software - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Property, Plant and Equipment [Abstract]
Depreciation expense	$ 44,700	$ 48,400	$ 36,800
Capitalized software development costs	32,500	24,400	15,700
Amortization expense on capitalized software development costs	$ 21,400	20,400	10,100
Capitalized compensation charges			40
Compensation costs, amortization		$ 20	$ 100