Amount of assets of the combined entity pursuant to business combination.

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Amount of deposit liability of the combined entity pursuant to business combination.

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Amount of loan receivable of the combined entity pursuant to business combination.

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The amount of funding contributed to the company's investment in variable interest entity.

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In the merger, the "Exchange Ratio" of the Company's common stock for each share of Signature common stock they own, subject to adjustment.

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Remaining useful life of equity method investment loan portfolio, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The amount of unfunded commitments pertaining to the company's investment in variable interest entity.

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Amount of expense for acquisition-related cost incurred to effect business combination. Includes, but is not limited to, finder's fee; advisory, legal, accounting, valuation, and other professional and consulting fees; and general administrative cost, including cost of maintaining internal acquisition department.

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Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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Face amount or stated value per share of common stock.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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This item represents the aggregate value of each identified investment accounted for under the equity method of accounting based on the quoted market price for those investments in common stock for which a quoted market price is available.

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Basis of Presentation and Summary of Significant Accounting Policies - Equity Investments (Details) $ / shares in Units, $ in Thousands		3 Months Ended		6 Months Ended
	Aug. 01, 2026 USD ($) $ / shares	Jun. 30, 2026 USD ($) $ / shares	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($) $ / shares	Jun. 30, 2025 USD ($)	Dec. 31, 2025 USD ($) $ / shares	Dec. 31, 2024	Dec. 31, 2022 USD ($)
Basis of Presentation and Summary of Significant Accounting Policies
Common stock, par value \| $ / shares		$ 0.01		$ 0.01		$ 0.01
Merger expenses		$ 1,070		$ 2,342
Signature Bancorporation
Basis of Presentation and Summary of Significant Accounting Policies
Combined company, total assets		4,800,000		4,800,000
Combined company, total loans		3,300,000		3,300,000
Combined company, total deposits		4,000,000		4,000,000
Merger expenses		1,100	$ 0	2,300	$ 0
Signature Bancorporation \| Subsequent Events
Basis of Presentation and Summary of Significant Accounting Policies
Common stock, par value \| $ / shares	$ 0.01
Exchange Ratio	2.671
Total purchase price consideration	$ 466,000
Signature Bancorporation \| Signature Bancorporation \| Subsequent Events
Basis of Presentation and Summary of Significant Accounting Policies
Common stock, par value \| $ / shares	$ 1
Non-voting Interest in VIE
Basis of Presentation and Summary of Significant Accounting Policies
Market value of acquired equity interest								$ 13,500
Equity method investments carrying amount		9,000		$ 9,000		$ 9,000
Equity method investments remaining useful life				2 years 9 months 18 days
Equity Interest in Payzli
Basis of Presentation and Summary of Significant Accounting Policies
Equity method investments carrying amount		4,800		$ 4,800		$ 4,800
Equity ownership percentage						24.99%	24.99%
Unfunded commitments				0
Investment funding contributed		$ 0	$ 250	$ 0	$ 700