Leases - Supplemental Information Related to Leases (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Leases [Abstract]
Operating lease cost	$ 2,329	$ 1,932	$ 6,562	$ 5,570
Cash paid for amounts included in the measurement of operating lease liabilities	2,699	2,211	7,427	6,139
Operating lease right-of-use assets obtained in exchange for new operating lease liabilities	$ 1,998	$ 1,133	$ 8,645	$ 3,384
Weighted-average remaining lease term — operating leases	5 years 2 months 12 days		5 years 2 months 12 days		5 years 8 months 12 days
Weighted-average discount rate — operating leases	3.70%		3.70%		4.00%