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 lease	$ 773	$ 5,467
Operating cash flows from finance leases	3,241	75
Financing cash flows from finance leases	$ 2,666	$ 780