Fair Value Measurement (Details) - Metropolitan Commercial Bank 401(k) Plan - USD ($)	Dec. 31, 2025	Dec. 31, 2024
Fair Value Measurement
Investments, at fair value	$ 42,876,538	$ 33,161,222
Fair value \| Employer stock fund
Fair Value Measurement
Investments, at fair value	797,925	528,157
Fair value \| Registered investment companies
Fair Value Measurement
Investments, at fair value	41,154,235	31,592,755
Level 1 \| Employer stock fund
Fair Value Measurement
Investments, at fair value	797,925	528,157
Level 1 \| Registered investment companies
Fair Value Measurement
Investments, at fair value	41,154,235	31,592,755
Net Asset Value
Fair Value Measurement
Investments, at fair value	$ 924,378	$ 1,040,310

Fair value of investment, excluding plan interest in master trust, held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, derivative, investment measured at net asset value per share as practical expedient, and insurance contract not meeting fully-benefit responsive investment criteria.

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+ Details

- 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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