Leases - Customer Financing Leases Receivable (Details) - USD ($) $ in Thousands		Dec. 31, 2020	Dec. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Total minimum lease payments to be received			$ 76,886
Less: Amounts representing estimated executory costs			(19,931)
Net present value of minimum lease payments to be received			56,955
Estimated residual value of leased assets			890
Less: Unearned income			(1,990)
Net investment in sales-type financing leases			55,855
Less: Current portion	[1]	$ (5,428)	(5,108)
Non-current portion of net investment in sales-type leases	[1]	$ 45,268	$ 50,747

[1] We have variable interest entities, which represent a portion of the consolidated balances recorded within these financial statement line items in the consolidated balance sheets (see Note 13 - Portfolio Financings).