Portfolio Loans Receivable and Allowance for Credit Losses - Schedule of Nonaccrual Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Dec. 31, 2025
Financing Receivable, Past Due [Line Items]
Nonaccrual with No Allowance for Credit Loss	$ 25,498	$ 29,218
Nonaccrual with an Allowance for Credit Loss	30,858	25,203
Total Nonaccrual Loans	56,356	54,421
Collateral dependent loans amortized cost	45,348	45,786
Commercial and Industrial
Financing Receivable, Past Due [Line Items]
Nonaccrual with No Allowance for Credit Loss	4,180	6,907
Nonaccrual with an Allowance for Credit Loss	20,837	19,432
Total Nonaccrual Loans	25,017	26,339
Collateral dependent loans amortized cost	16,364	18,605
Real estate: \| Residential
Financing Receivable, Past Due [Line Items]
Nonaccrual with No Allowance for Credit Loss	4,417	7,435
Nonaccrual with an Allowance for Credit Loss	373	306
Total Nonaccrual Loans	4,790	7,741
Collateral dependent loans amortized cost	4,052	6,449
Real estate: \| Commercial
Financing Receivable, Past Due [Line Items]
Nonaccrual with No Allowance for Credit Loss	8,171	10,159
Nonaccrual with an Allowance for Credit Loss	4,334	5,465
Total Nonaccrual Loans	12,505	15,624
Collateral dependent loans amortized cost	11,612	15,653
Real estate: \| Construction
Financing Receivable, Past Due [Line Items]
Nonaccrual with No Allowance for Credit Loss	8,730	4,717
Nonaccrual with an Allowance for Credit Loss	5,314	0
Total Nonaccrual Loans	14,044	4,717
Collateral dependent loans amortized cost	$ 13,320	$ 5,079

Financing Receivable, Excluding Accrued Interest, Nonaccrual, With Allowance For Credit Losses

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- Definition

Accumulated amortized cost excluding accrued interest, of financing receivable modified for debtor experiencing financial difficulty.

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- Definition

Amortized cost excluding accrued interest, of financing receivable on nonaccrual status. Excludes net investment in lease.

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Amortized cost excluding accrued interest, of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease.

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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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