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Net Investment in Leases (Net Investment in Leases) (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020 | Mar. 31, 2020 | Dec. 31, 2019 | May 31, 2019
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Leases [Abstract] |  |  |  |  |  |  |
Total undiscounted cash flows | $ 1,020,921 |  | $ 1,020,921 |  |  |  |
Unguaranteed estimated residual value | 338,543 |  | 345,284 |  |  |  |
Present value discount | (919,068) |  | (926,233) |  |  |  |
Allowance for losses on net investment in leases | (9,270) |  | (10,871) |  | $ (10,403) | $ 0 |
Net investment in leases | $ 431,126 | [1] | $ 429,101 | [1] |  |  | $ 424,100
Risk rating | 200.00% |  |  |  |  |  |
[1] | (1)Refer to Note 2 for details on the Company's consolidated variable interest entities ("VIEs").

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- Definition Present value of lease payments not yet received by lessor and amount expected to be derived from underlying asset, following end of lease term guaranteed by lessee or other third party unrelated to lessor, from sales-type lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121576215&loc=SL77919379-209981 + Details
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- Definition Amount of net investment in sales-type lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121576215&loc=SL77919379-209981 + Details
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- Definition Amount of allowance for credit loss on net investment in sales-type lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121599878&loc=SL82895884-210446 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447 + Details
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