- Carrying Values of Leases (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Leases [Abstract]
Operating lease right-of-use assets	$ 20,846	$ 22,304
Finance lease right-of-use assets	6,770	6,770
Accumulated depreciation	(1,895)	(1,566)
Finance lease right-of-use assets, net	4,875	5,204
Current portion of operating lease obligations	2,064	1,554
Current portion of finance lease obligations	314	290
Total current lease liabilities	2,378	1,844
Obligations under operating leases, net of current portion	19,952	21,533
Finance lease non-current liabilities	5,615	5,854
Total non-current lease liabilities	25,567	27,387
Total lease liabilities	$ 27,945	$ 29,231