Leases - Supplemental Consolidated Cash Flows (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows arising from operating leases	$ 9,365
Operating cash flows arising from finance leases	160
Financing cash flows arising from finance leases	1,644
Right-of-use assets obtained in exchange for operating lease liabilities	2,910
Right-of-use assets obtained in exchange for finance lease liabilities	$ 414