Revenue from Contracts with Customers - Disaggregation of Revenue by Geographic Market (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Disaggregation of Revenue [Line Items]
Total Revenue	$ 360,712	$ 321,479	$ 719,895	$ 628,529
Domestic
Disaggregation of Revenue [Line Items]
Total Revenue	292,784	265,893	589,147	518,283
Foreign
Disaggregation of Revenue [Line Items]
Total Revenue	$ 67,928	$ 55,586	$ 130,748	$ 110,246