Leases - Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Cash paid related to lease liabilities
Operating cash payments for operating leases	$ 15,664	$ 14,941
Investing cash payments for operating leases	33,556	28,034
Financing cash payments for financing leases	790	918
Right of use assets obtained in exchange for lease obligations entered into during the period
Operating leases	12,474	59,740
Financing leases	$ 996	$ 597