Debt Securities, Available-for-sale, Unrealized Loss Position, Average Credit Support

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- Definition

Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions, Percentage Of Total

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- Definition

Proceeds from Sale of Debt Securities, Available-for-sale, Including Legacy Securities

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No definition available.

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Amount, after allowance for credit loss, of accrued interest 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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Amount excluding accrued interest, of allowance 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).

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- Definition

Amount of realized gain 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

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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Amount of investment in debt security 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.

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

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

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- Definition

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current.

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Amount of Federal Home Loan Bank (FHLB) and Federal Reserve Bank stock.

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The aggregate fair value as of the balance sheet date of financial instruments and other positions owned by the entity including: (1) mortgages, mortgage-backed and asset backed securities; (2) US government and agency obligations; (3) state and municipal government obligations; (4) other sovereign government debt; (5) corporate obligations; (6) corporate equities; (7) principal investments; (8) derivative contracts; and (9) physical commodities. Includes both pledged and unpledged holdings.

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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) - USD ($)	3 Months Ended		9 Months Ended
Securities - Narrative (Details) - USD ($)	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Debt Securities, Available-for-sale [Line Items]
Proceeds from sale of available-for-sale debt securities, including legacy securities	$ 19,800,000	$ 17,600,000	$ 19,800,000	$ 104,400,000
Gross losses from sale of securities	1,000,000.0	300,000	1,000,000.0	4,000,000
Unrealized losses on mortgage backed securities of government sponsored entities	155,133,000		155,133,000		$ 211,338,000
Fair value of securities in unrealized loss position	1,249,045,000		1,249,045,000		1,696,572,000
Held-to-maturity securities, allowance for credit loss	0		0
Federal home loan bank and federal reserve stock recorded in other assets	101,900,000		101,900,000		77,300,000
Accrued interest receivable on AFS debt securities	11,900,000		11,900,000		9,200,000
Accrued interest receivable on HTM debt securities	1,000,000.0		1,000,000.0		1,000,000.0
Asset Pledged as Collateral
Debt Securities, Available-for-sale [Line Items]
Fair value of debt securities pledged as collateral	1,400,000,000		1,400,000,000
CRA - Qualified Mutual Fund
Debt Securities, Available-for-sale [Line Items]
Gross gains from sale of securities	100,000	$ 500,000	400,000	$ 300,000
Investment in mutual fund carried at fair value	13,900,000		13,900,000		13,500,000
U.S. Treasury securities and obligations of U.S. government agencies
Debt Securities, Available-for-sale [Line Items]
Unrealized losses on mortgage backed securities of government sponsored entities	432,000		432,000		522,000
Fair value of securities in unrealized loss position	14,806,000		14,806,000		22,885,000
Allowance for credit losses on AFS debt securities	0		0
Mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities
Debt Securities, Available-for-sale [Line Items]
Unrealized losses on mortgage backed securities of government sponsored entities	147,700,000		147,700,000
Fair value of securities in unrealized loss position	1,100,000,000		1,100,000,000
Allowance for credit losses on AFS debt securities	0		0
Private mortgage-backed securities and collateralized mortgage obligations
Debt Securities, Available-for-sale [Line Items]
Unrealized losses on mortgage backed securities of government sponsored entities	5,582,000		5,582,000		8,382,000
Fair value of securities in unrealized loss position	81,657,000		81,657,000		108,420,000
Allowance for credit losses on AFS debt securities	$ 0		$ 0
Average credit support percentage	22.00%		22.00%
CLOs
Debt Securities, Available-for-sale [Line Items]
Unrealized losses on mortgage backed securities of government sponsored entities	$ 309,000		$ 309,000		166,000
Fair value of securities in unrealized loss position	89,638,000		89,638,000		51,006,000
Allowance for credit losses on AFS debt securities	$ 0		$ 0
CLOs \| Standard & Poor's, AAA Rating
Debt Securities, Available-for-sale [Line Items]
Number of positions held, percentage of total	37.00%		37.00%
CLOs \| Standard & Poor's, AA Rating
Debt Securities, Available-for-sale [Line Items]
Number of positions held, percentage of total	26.00%		26.00%
Obligations of state and political subdivisions
Debt Securities, Available-for-sale [Line Items]
Unrealized losses on mortgage backed securities of government sponsored entities	$ 1,142,000		$ 1,142,000		1,449,000
Fair value of securities in unrealized loss position	5,663,000		5,663,000		$ 5,690,000
Allowance for credit losses on AFS debt securities	0		$ 0
Heartland Bancshares, Inc
Debt Securities, Available-for-sale [Line Items]
Proceeds from sale of available-for-sale debt securities, including legacy securities	$ 245,700,000