Leases - Schedule of Lease Cost and Assumptions (Details) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2019 USD ($)	Sep. 30, 2019 USD ($)
Leases [Abstract]
Operating lease cost	$ 3,102	$ 9,649
Cash paid for amounts included in the measurement of operating liabilities		8,635
Right-of-use assets obtained in exchange for new lease liabilities		$ 5,974
Weighted-average remaining lease term - operating leases	4 years	4 years
Weighted-average discount rate - operating leases	5.80%	5.80%