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Represents the monetary amount of Purchased Participation Loans, as of the indicated date.

+ References

No definition available.

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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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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
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- Definition

Amortized cost excluding accrued interest, after allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

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Amortized cost excluding accrued interest, before allowance for credit loss, fee, and loan in process, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
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Amount of unamortized loan commitment, origination, and other costs (fees) and purchase premium (discount) on financing receivable recognized as adjustment to yield. Excludes financing receivable covered under loss sharing agreement.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Loans and Allowance for Credit Losses - Classes of loans (Details)	9 Months Ended	12 Months Ended
	Mar. 31, 2026 USD ($) loan	Jun. 30, 2025 USD ($) loan	Dec. 31, 2025 USD ($)	Mar. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Jun. 30, 2024 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans (before deferred loan fees, net)	$ 4,322,360,000	$ 4,100,768,000
Deferred loan fees, net	(592,000)	(178,000)
Allowance for credit losses	(55,937,000)	(51,629,000)	$ (54,465,000)	$ (54,940,000)	$ (54,740,000)	$ (52,516,000)
Net loans	$ 4,266,423,000	$ 4,048,961,000
Number of purchased participation loans \| loan	68	71
Purchased participation loans	$ 150,700,000	$ 188,000,000
Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans (before deferred loan fees, net)	546,002,000	510,259,000
Allowance for credit losses	(8,293,000)	(6,952,000)	(8,804,000)	(7,572,000)	(8,063,000)	(6,233,000)
Agriculture production
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans (before deferred loan fees, net)	204,447,000	206,128,000
Allowance for credit losses	(3,826,000)	(3,374,000)	(2,379,000)	(1,191,000)	(1,060,000)	(835,000)
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans (before deferred loan fees, net)	51,869,000	55,387,000
Allowance for credit losses	(1,056,000)	(952,000)	(1,343,000)	(1,096,000)	(603,000)	(578,000)
All other loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans (before deferred loan fees, net)	8,348,000	5,102,000
Allowance for credit losses	(4,000)	(4,000)	(3,000)	(17,000)	(24,000)	(17,000)
Secured by real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans (before deferred loan fees, net)	3,511,694,000	3,323,892,000
Secured by real estate \| 1-4 Family residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans (before deferred loan fees, net)	1,063,006,000	992,445,000
Allowance for credit losses	(10,923,000)	(10,274,000)	(10,735,000)	(11,331,000)	(12,664,000)	(10,528,000)
Secured by real estate \| Commercial Real Estate \| Non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans (before deferred loan fees, net)	945,274,000	888,317,000
Allowance for credit losses	(11,521,000)	(12,241,000)	(11,622,000)	(17,572,000)	(13,660,000)	(19,055,000)
Secured by real estate \| Commercial Real Estate \| Owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans (before deferred loan fees, net)	476,994,000	442,984,000
Allowance for credit losses	(5,158,000)	(4,521,000)	(5,125,000)	(5,080,000)	(5,707,000)	(4,815,000)
Secured by real estate \| Multi-family real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans (before deferred loan fees, net)	467,936,000	422,758,000
Allowance for credit losses	(3,708,000)	(4,329,000)	(3,883,000)	(5,240,000)	(5,725,000)	(5,447,000)
Secured by real estate \| Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans (before deferred loan fees, net)	279,943,000	332,405,000
Allowance for credit losses	(5,481,000)	(4,788,000)	(5,745,000)	(3,387,000)	(4,717,000)	(2,901,000)
Secured by real estate \| Agriculture real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans (before deferred loan fees, net)	278,541,000	244,983,000
Allowance for credit losses	$ (5,967,000)	$ (4,194,000)	$ (4,826,000)	$ (2,454,000)	$ (2,517,000)	$ (2,107,000)