Leases - Schedule of Components of Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Leases [Abstract]
Operating lease expense	$ 4,356	$ 4,724	$ 12,982	$ 14,027
Short-term lease expense	359	402	1,223	1,024
Variable lease expense	312	162	1,086	521
Total lease expense	5,027	5,288	15,291	15,572
Cash paid for amounts included in the measurement of operating lease liabilities:
Operating cash flows used for operating leases	4,250	4,306	13,203	13,729
Right-of-use assets obtained in exchange for new lease liabilities	$ 2,098	$ 3,837	$ 4,502	$ 11,066
Weighted-average remaining lease term- operating leases	8 years 8 months 4 days	9 years 2 months 4 days	8 years 8 months 4 days	9 years 2 months 4 days
Weighted-average discount rate - operating leases	4.76%	4.95%	4.76%	4.95%