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Allowance for Credit Losses - Amortized Cost Basis of Financing Receivables that Subsequently Defaulted (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Payment Status (Amortized Cost Basis) | $ 326,116
60 Days or Greater Past Due |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Payment Status (Amortized Cost Basis) | 22,925
Payment Default | 22,621
Combination - Interest Rate Reduction and Term Extension |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Payment Status (Amortized Cost Basis) | 20,600
Interest Rate Reduction |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Payment Status (Amortized Cost Basis) | 2,300
Private Education Loans |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Payment Status (Amortized Cost Basis) | 326,116
Private Education Loans | 60 Days or Greater Past Due |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Payment Status (Amortized Cost Basis) | 22,925
Payment Default | $ 22,621

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- Definition Amount, after troubled debt restructuring, of modified financing receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524 + Details
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- Definition Amount of financing receivable modified as troubled debt restructuring within previous 12 months, with subsequent payment default. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -Subparagraph (a)(2) -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953682-111524 + Details
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