Leases - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$ 10,584	$ 7,040
Operating cash flows from finance leases	7	0
Financing cash flows from finance leases	38	0
Right of use assets obtained in exchange for lease liabilities
Operating leases	354	50,263
Finance leases	$ 0	$ 0