Leases - Supplemental Cash Flow Information (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2020 USD ($)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 21,930
Operating cash flows from finance leases	30
Financing cash flows from finance leases	358
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	2,708
Finance leases	$ 6