Commercial real estate loans as a percentage of risk-based capital.

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The regulatory guideline limit for commercial real estate loans as a percentage of risk-based capital.

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- Definition

Maximum number of days past due before loan is placed on nonaccrual status.

+ References

No definition available.

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- Definition

Financing Receivable, Number Of Loan Portfolios

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Financing Receivable, Number Of Loan Segments

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No definition available.

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- Definition

Amount of loan participations with other financial institutions.

+ References

No definition available.

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Amount of loan participations retained.

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No definition available.

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- Definition

Amount of loan participations sold to other financial institutions.

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No definition available.

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- Definition

Amount, before allowance for credit loss, of accrued interest on financing receivable.

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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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Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. Excludes net investment in lease.

+ References

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- Definition

Amortized cost of financing receivable with payment default in current period and modified within previous 12 months preceding payment default for debtor experiencing financial difficulty.

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Amount of commitment to lend additional funds to debtor experiencing financial difficulty for which creditor has modified terms of financing receivable.

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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Additional Information (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2026 USD ($) segment	Sep. 30, 2025 USD ($)	Sep. 30, 2026 USD ($) segment	Sep. 30, 2025 USD ($)	Jun. 30, 2026 portfolio	Dec. 31, 2025 USD ($)
Financing Receivable, Allowance for Credit Losses [Line Items]
Loan participations	$ 3,700,000,000		$ 3,700,000,000
Loan participations sold	1,800,000,000		1,800,000,000
Loan participations retained	$ 1,900,000,000		$ 1,900,000,000
Number of loan portfolios \| portfolio					4
Number of loan segments \| segment	7		7
Provision for credit losses	$ 33,580,000	$ 26,738,000	$ 104,732,000	$ 164,976,000
Accrued interest receivable on loans	237,300,000		$ 237,300,000			$ 228,600,000
Loan placed on nonaccrual when past due, number of days			90 days
Payment defaults	0	$ 0	$ 7,000,000.0	16,900,000
Unfunded commitments on TDRs	$ 0		$ 0			$ 0
Bremer
Financing Receivable, Allowance for Credit Losses [Line Items]
Provision for credit losses				$ 69,100,000
Commercial real estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Percentage of risk-based capital	251.00%		251.00%
Regulatory guideline limit	300.00%		300.00%