Leases - Internal Ratings For Net Investment, DFLs (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Lessor, Lease, Description [Line Items]
Net investment in direct financing leases before allowance	$ 84,604
Percentage of DFL Portfolio	100.00%
Other non-reportable segments
Lessor, Lease, Description [Line Items]
Net investment in direct financing leases before allowance	$ 84,604
Percentage of DFL Portfolio	100.00%
Performing Financial Instruments
Lessor, Lease, Description [Line Items]
Net investment in direct financing leases before allowance	$ 84,604
Performing Financial Instruments | Other non-reportable segments
Lessor, Lease, Description [Line Items]
Net investment in direct financing leases before allowance	84,604
Watch List DFLs
Lessor, Lease, Description [Line Items]
Net investment in direct financing leases before allowance	0
Watch List DFLs | Other non-reportable segments
Lessor, Lease, Description [Line Items]
Net investment in direct financing leases before allowance	0
Workout DFLs
Lessor, Lease, Description [Line Items]
Net investment in direct financing leases before allowance	0
Workout DFLs | Other non-reportable segments
Lessor, Lease, Description [Line Items]
Net investment in direct financing leases before allowance	$ 0