Consolidated Statements of Cash Flows (Parenthetical) $ in Millions	12 Months Ended
Dec. 31, 2025 USD ($) shares
Statement of Cash Flows [Abstract]
Common stock issued to Avidia Bank Charitable Foundation, shares \| shares	900,000
Common stock issued to Avidia Bank Charitable Foundation, value \| $	$ 9.0

Value of shares of stock issued attributable to transactions classified as other.

No definition available.

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Balance Type:	credit
Period Type:	duration