Leases - Supplemental Cash Flows (Details 3) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 17,986
Operating cash flows from finance leases	66
Financing cash flows from finance leases	$ 461
Weighted Average Remaining Lease term
Operating leases	3 years 3 months 15 days
Finance leases	3 years 1 month 24 days
Weighted Average Discount Rate
Operating leases	4.71%
Finance leases	6.81%