Leases - Operating and Financing Lease Right-of-Use Assets and Lease Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Assets and Liabilities, Lessee:
Operating lease right-of-use assets, net	$ 69,708	$ 35,621
Finance lease right-of-use assets, net	2,532	334
Total	72,240	35,955
Operating lease liabilities	5,375	7,899
Financing lease liabilities	759	74
Total current lease liabilities	6,134	7,973
Operating lease liabilities	78,441	41,849
Financing lease liabilities	1,878	267
Total non-current lease liabilities	80,319	42,116
Total lease liabilities	$ 86,453	$ 50,089