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Investment in Sales Type Leases (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2020
Dec. 31, 2019
Capital Leased Assets [Line Items]    
Total $ 1,518 $ 2,078
Sales-type and Direct Financing Leases, Lease Receivable, Undiscounted Excess Amount 779 1,190
Net Investment in Lease 739 888
Net Investment in Lease, Current 392 452
Net Investment in Lease, Noncurrent $ 347 $ 436
Minimum    
Capital Leased Assets [Line Items]    
Lessors, Capital Leases, Term of contract 3 years  
Maximum    
Capital Leased Assets [Line Items]    
Lessors, Capital Leases, Term of contract 4 years