Current Expected Credit Losses - Schedule of Net Investment In Leases by Credit Quality Indicator (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Net Investment In Lease Credit Quality Indicator [Line Items]
Net investment leases, By Origination Year, Current fiscal year	$ 4,333	$ 4,148
Net investment leases, By Origination Year, Before latest fiscal year	3,998	8,468
Net investment leases, By Origination Year, Two years before latest fiscal year	7,895	2,730
Net investment leases, By Origination Year, Three years before latest fiscal year	2,533	988
Net investment leases, By Origination Year, Four years before latest fiscal year	881
Net investment leases, By Origination Year, Prior	2,856	3,637
Net Investment in Lease, Total	22,496	19,971
In Good Standing [Member]
Net Investment In Lease Credit Quality Indicator [Line Items]
Net investment leases, By Origination Year, Current fiscal year	959	2,143
Net investment leases, By Origination Year, Before latest fiscal year	2,747	1,190
Net investment leases, By Origination Year, Two years before latest fiscal year	2,245	2,730
Net investment leases, By Origination Year, Prior	1,150	1,826
Net Investment in Lease, Total	7,101	7,889
Credit Watch [Member]
Net Investment In Lease Credit Quality Indicator [Line Items]
Net investment leases, By Origination Year, Current fiscal year	3,374	2,005
Net investment leases, By Origination Year, Before latest fiscal year	1,251	7,278
Net investment leases, By Origination Year, Two years before latest fiscal year	5,650
Net investment leases, By Origination Year, Three years before latest fiscal year	2,533	988
Net investment leases, By Origination Year, Four years before latest fiscal year	881
Net investment leases, By Origination Year, Prior	863	1,047
Net Investment in Lease, Total	14,552	11,318
Transactions Suspended [Member]
Net Investment In Lease Credit Quality Indicator [Line Items]
Net investment leases, By Origination Year, Prior	843	764
Net Investment in Lease, Total	$ 843	$ 764

Amount, before allowance for credit loss, of net investment in sales-type and direct financing leases.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
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-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953401-111524

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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