Leases - Supplemental Cash Flow and Other Information (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2019 USD ($)
Leases [Abstract]
Cash paid for amounts included in the measurement of operating lease liabilities	$ 7,103
ROU assets obtained in exchange for new operating lease liabilities	$ 11,844
Weighted average remaining lease term of operating leases (in years)	11 years
Weighted average discount rate of operating leases	5.29%