Debt Securities, Accrued Interest

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- Definition

Debt Securities, Available-For-Sale And Held To Maturity, Unrealized Loss Position

+ References

No definition available.

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- Definition

Debt Securities, Available-For-Sale And Held To Maturity, Unrealized Loss Position, Percentage Of Portfolio

+ References

No definition available.

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- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with interest rate reset through auction process, sold at par value.

+ References

No definition available.

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- Definition

Amount of expense for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), for which no credit loss was previously recorded.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
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- Definition

Amount of realized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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- Definition

Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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- Definition

Amount, excluding accrued interest, of allowance for credit loss on investment in debt security measured at amortized cost (held-to-maturity).

+ References

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- Definition

Amount excluding accrued interest, before allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Amount, after allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity) transferred to investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and net income (trading).

+ References

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- Definition

This item represents the aggregate fair value of loans held as assets that are in nonaccrual status for which the fair value option has been elected, if the entity's policy is to recognize interest income separately from other changes in fair value.

+ References

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- Definition

Amount of unrealized gain (loss) from transfer of investment in debt security measured at amortized cost (held-to-maturity), to investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and investment in debt security measured at fair value with change in fair value recognized in net income (trading).

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- Definition

Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

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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.

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Securities - Narrative (Details) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended		12 Months Ended
Securities - Narrative (Details) $ in Thousands	Aug. 31, 2025 USD ($)	Sep. 30, 2025 USD ($) security	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) security	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($) security	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Dec. 31, 2023 USD ($)
Schedule of Available-for-sale Securities [Line Items]
Debt securities, held-to-maturity, amortized cost, transfer, amount	$ 1,800,000
Debt securities, held-to-maturity, transfer, unrealized gain (loss)	282,600
Debt securities, available-for-sale, sold at par value	1,400,000
Gross losses	$ 299,500	$ 299,132	$ 0	$ 299,538	$ 0
Number of securities in unrealized loss positions \| security		801,000		801,000		2,115,000
Unrealized loss positions		$ 300,000		$ 300,000		$ 1,800,000
Percentage of portfolio				36.00%		86.00%
Fair value of nonaccrual status		2,900		$ 2,900
Credit loss expense (benefit)		0	0	(150)	0
Allowance for credit loss		0	$ (158)	0	$ (158)	$ (158)	$ (142)	$ (158)	$ (157)
Investment securities, held to maturity		0		0		1,867,848
Accrued interest receivable on available for sale debt securities		5,100		5,100		12,700
Tax benefit from the sale of securities available for sale		(62,900)		(62,900)
State and municipal
Schedule of Available-for-sale Securities [Line Items]
Investment securities, held to maturity		0		0		1,048,862
State and municipal \| Internally-Assigned Rating Methodology
Schedule of Available-for-sale Securities [Line Items]
Investment securities, held to maturity		$ 0		$ 0		$ 125,000