Lease Investments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Leases [Abstract]
Interest income on lease receivable	$ 1,661	$ 2,097	$ 3,251	$ 4,430
Income related to lease payments	4,255	5,990	8,884	12,620
Depreciation - leased equipment	3,550	5,142	7,323	10,569
Income from reimbursements for personal property tax payments on operating leased equipment	140	170	380	420
Expense for payments of personal property taxes on operating leased equipment	$ 140	$ 170	$ 380	$ 420