Lease Investments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Schedule of the Components of Income from Direct Finance and Operating Lease Equipment [Line Items]
Interest income on lease receivable	$ 10,985	$ 13,052	$ 11,482
Income related to lease payments	30,741	31,793	30,381
Minimum lease payments	190,879	257,398
Estimated unguaranteed residual values	41	41
Less: unearned income	(30,568)	(46,709)
Net investment in direct finance lease financing	160,352	210,730
Gross investment in operating lease financing	176,485	199,954
Accumulated depreciation	(64,801)	(65,514)
Net investment in operating lease financings	111,684	134,440
Carrying amount of residual assets covered by residual value guarantees	69,090	87,610
Income from reimbursements for personal property tax payments on operating leased equipment	730
Expense for payments of personal property taxes on operating leased equipment	730
Leased equipment
Schedule of the Components of Income from Direct Finance and Operating Lease Equipment [Line Items]
Depreciation	$ 25,128	$ 26,248	$ 25,215