Derivative Financial Instruments - Schedule of Fair Value Gains and Losses on Derivative Financial Instruments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Summary of the fair value gains and losses on derivative financial instruments
Net change in the fair value of derivative instruments	$ 373	$ 30
Interest rate lock commitments
Summary of the fair value gains and losses on derivative financial instruments
Net change in the fair value of derivative instruments	208	(16)
Forward commitments
Summary of the fair value gains and losses on derivative financial instruments
Net change in the fair value of derivative instruments	(62)	71
Interest rate swaps
Summary of the fair value gains and losses on derivative financial instruments
Net change in the fair value of derivative instruments	(30)	26
Customer derivatives - Risk Participation Agreements
Summary of the fair value gains and losses on derivative financial instruments
Net change in the fair value of derivative instruments	$ 257	$ (51)

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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+ Details

- Definition

The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

+ References + Details

Meridian Corp 10-K