Lease Investments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Leases [Abstract]
Interest income on lease receivable	$ 1,629	$ 1,880	$ 4,880	$ 6,310
Income related to lease payments	3,946	5,593	12,830	18,213
Depreciation - leased equipment	3,239	4,694	10,562	15,263
Income from reimbursements for personal property tax payments on operating leased equipment	20	20	400	440
Expense for payments of personal property taxes on operating leased equipment	$ 20	$ 20	$ 400	$ 440