Leases - Supplemental Cash Flow Information Related to Leases (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash Paid For Amounts Included In Measurement Of Lease Liabilities [Abstract]
Operating cash outflow from finance leases	$ 3,256	$ 4,265
Financing cash outflow from finance leases	5,058	4,049
Operating cash outflow from operating leases	$ 987	$ 455