Leases - Summary of Lease Cost Table (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Leases [Abstract]
Operating lease cost	$ 6,932
Short-term lease cost	1,295
Variable lease cost	256
Sublease income	(414)
Amortization of ROU assets	562
Interest on lease liabilities	137
Total lease cost	$ 8,768	$ 56,500	$ 45,500