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(2) Finance Receivables (Details - Amortized Cost Basis) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
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FinanceReceivablesDelinquencyStatusLineItems [Line Items] |  |
Amortized cost basis | $ 410,623 | $ 491,307
Vintage Pool 2012 [Member] |  |
FinanceReceivablesDelinquencyStatusLineItems [Line Items] |  |
Amortized cost basis | 427 | 608
Vintage Pool 2013 [Member] |  |
FinanceReceivablesDelinquencyStatusLineItems [Line Items] |  |
Amortized cost basis | 3,102 | 4,483
Vintage Pool 2014 [Member] |  |
FinanceReceivablesDelinquencyStatusLineItems [Line Items] |  |
Amortized cost basis | 17,169 | 23,115
Vintage Pool 2015 [Member] |  |
FinanceReceivablesDelinquencyStatusLineItems [Line Items] |  |
Amortized cost basis | 62,428 | 78,457
Vintage Pool 2016 [Member] |  |
FinanceReceivablesDelinquencyStatusLineItems [Line Items] |  |
Amortized cost basis | 136,699 | 163,677
Vintage Pool 2017 [Member] |  |
FinanceReceivablesDelinquencyStatusLineItems [Line Items] |  |
Amortized cost basis | $ 190,798 | $ 220,967

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- Definition Amortized amount of contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 4 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=125521744&loc=d3e122739-111746 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6469459&loc=d3e122492-111745 Reference 3: http://www.xbrl.org/2003/role/recommendedDisclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 45 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6469459&loc=d3e122501-111745 + Details
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