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Loans - Nonaccrual Loans and Loans Past Due 90 Days or More (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Financing Receivable, Credit Quality Indicator [Line Items]
Nonaccrual, interest income	$ 200	$ 100	$ 300	$ 200
Nonaccrual
Financing Receivable, Credit Quality Indicator [Line Items]
Nonaccrual Loans	45,543		45,543		$ 56,387
Nonaccrual Loans with No Allowance for Credit Losses	31,625		31,625		31,114
Collateral dependent loans	14,530		14,530		2,151
Commercial Portfolio Segment | Commercial and industrial | Nonaccrual
Financing Receivable, Credit Quality Indicator [Line Items]
Nonaccrual Loans	218		218		240
Nonaccrual Loans with No Allowance for Credit Losses	3		3		0
Collateral dependent loans	0		0		0
Commercial Portfolio Segment | Single tenant lease financing | Nonaccrual
Financing Receivable, Credit Quality Indicator [Line Items]
Nonaccrual Loans	0		0		1,665
Nonaccrual Loans with No Allowance for Credit Losses	0		0		0
Collateral dependent loans	0		0		0
Commercial Portfolio Segment | Healthcare finance | Nonaccrual
Financing Receivable, Credit Quality Indicator [Line Items]
Nonaccrual Loans	0		0		2,596
Nonaccrual Loans with No Allowance for Credit Losses	0		0		2,596
Collateral dependent loans	0		0		0
Commercial Portfolio Segment | Small business lending | Nonaccrual
Financing Receivable, Credit Quality Indicator [Line Items]
Nonaccrual Loans	24,545		24,545		19,781
Nonaccrual Loans with No Allowance for Credit Losses	23,779		23,779		18,928
Collateral dependent loans	34		34		0
Commercial Portfolio Segment | Franchise finance | Nonaccrual
Financing Receivable, Credit Quality Indicator [Line Items]
Nonaccrual Loans	15,070		15,070		26,978
Nonaccrual Loans with No Allowance for Credit Losses	2,133		2,133		4,463
Collateral dependent loans	14,398		14,398		1,144
Consumer Portfolio | Residential mortgage | Nonaccrual
Financing Receivable, Credit Quality Indicator [Line Items]
Nonaccrual Loans	5,501		5,501		4,893
Nonaccrual Loans with No Allowance for Credit Losses	5,501		5,501		4,893
Collateral dependent loans	98		98		1,007
Consumer Portfolio | Other consumer loans | Nonaccrual
Financing Receivable, Credit Quality Indicator [Line Items]
Nonaccrual Loans	209		209		234
Nonaccrual Loans with No Allowance for Credit Losses	209		209		234
Collateral dependent loans	$ 0		$ 0		$ 0

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Amortized cost excluding accrued interest, of financing receivable 90 days or more past due and still accruing. Excludes net investment in lease.

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