Constant Prepayment Fee, Variable Rate

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- Definition

Loans in Nonaccrual Status

+ References

No definition available.

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- Definition

Percentage Of Private Education Loans Related To Borrowers In School, Grace or Deferment

+ References

No definition available.

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- Definition

Percentage Reimbursement On All Qualifying Default Claims, Maximum Loss Exposure

+ References

No definition available.

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- Definition

Percentage reimbursement on all qualifying default claims period one.

+ References

No definition available.

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- Definition

Percentage reimbursement on all qualifying default claims period three.

+ References

No definition available.

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- Definition

Percentage Reimbursement On All Qualifying FFELP Default Claims Period Two

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 40
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481628/310-20-40-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

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- Definition

Amount of expense reversal of allowance for credit loss on financing receivable transferred to held-for-sale classification.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 948
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-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477011/948-310-45-2

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- Definition

Amount of gain (loss) on sale of financing receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 860
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481326/860-20-50-5

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Significant Accounting Policies - Allowance for FFELP Loans and Loan Interest Income (Details) - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2024	Dec. 31, 2024	Dec. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage reimbursement on all qualifying default claims period two (as a percentage)		97.00%
Percentage reimbursement on all qualifying default claims period one (as a percentage)		98.00%
Variable rate		100.00%
Maximum loss exposure due to federal guarantee		3.00%
Basis points		0.0105
Loans in nonaccrual status		$ 0	$ 0
Percent of private education loans related to borrowers in school, grace or deferment		26.00%	25.00%
Credit Cards
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gain (loss) on sale of financing receivable	$ (8,000,000)		$ (4,000,000)
Credit Card
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable allowance for credit loss, transfer to held-to-sale		$ 2,400,000