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Servicing Asset Recorded At Cost

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Fair value of investment other than investment in equity security, investment in debt security and equity method investment. Includes, but is not limited to, investment in certain entities that calculate net asset value per share. Example includes, but is not limited to, investment in hedge fund, venture capital fund, private equity fund, and real estate partnership or fund.

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Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.

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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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Carrying amount as of the balance sheet date of other real estate and foreclosed assets. Other real estate may include real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. Foreclosed assets include all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings.

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Amortized amount of contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.

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Fair Value (Narrative) (Details) - USD ($)	3 Months Ended		12 Months Ended
Fair Value (Narrative) (Details) - USD ($)	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025	Dec. 31, 2024
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans Receivable, Fair Value Disclosure	$ 9,461,651,000		$ 7,856,990,000
Alternative Investment	52,609,000		51,867,000
Loans Held-for-sale, Fair Value Disclosure	10,248,000		4,004,000
Impaired Financing Receivable, Carrying Value	$ 57,167,000		46,185,000
Discount percentage applied to real estate appraised values	15.00%
Discount percentage applied to lot development appraised values	6.00%
Partial Charge-Offs On Impaired Loans	$ 4,682,000		4,740,000
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	3,041,000		739,000
Impaired Loan Fair Value	4,326,000		4,061,000
Partial Charge-Offs On Impaired Loans carried at Fair Value	4,579,000		4,640,000
Book Value Of Impaired Loans Carried At Fair Value	5,557,000		4,081,000
Impaired Financing Receivable, carried at fair value, related expense	1,200,000	$ 68,000
MSR recorded at lower of cost or fair value	13,623,000	13,760,000	13,697,000	$ 13,918,000
Mortgage Servicing Rights Fair Value	40,000		35,000
Valuation allowance of MSR	4,000	17,000	3,000	$ 19,000
MSRs recorded at cost	13,600,000		13,700,000
Changes due to fair value adjustments	1,000	(2,000)
Other Real Estate, Foreclosed Assets, and Repossessed Assets	24,458,000		729,000
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Unfunded Commitments	11,700,000		$ 12,600,000
Alternative Investment, income recognized	506,000	(299,000)
Other Real Estate, Valuation Adjustments	$ 22,000	$ 0
Credit Spread Assumption	3.67%
Maximum [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Credit Spread Assumption			4.45%
Minimum [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Credit Spread Assumption			3.67%
Fair Value Measured at Net Asset Value Per Share [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Alternative Investment	$ 40,900,000		$ 39,300,000
Fair Value, Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans Receivable, Fair Value Disclosure	9,451,249,000		7,852,871,000
Impaired Loan Fair Value	4,326,000		4,061,000
Fair Value, Nonrecurring [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans Receivable, Fair Value Disclosure	4,326,000		4,061,000
Fair Value, Nonrecurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans Receivable, Fair Value Disclosure	4,326,000		$ 4,061,000
Other Real Estate, Foreclosed Assets, and Repossessed Assets	$ 0