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Loans and Allowance for Credit Losses on Loans - Analysis Of Past Due Loans By Portfolio Segment Including Non-Accrual Loans Without ACL (Detail) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Total Loans	$ 439,497	$ 438,967
30-59 Days Past Due [Member]
Total Loans	200
Total Past Due
Total Loans	200
Current
Total Loans	439,297	438,967
CRE [Member]
Total Loans	85,955	86,020
CRE [Member] | Current
Total Loans	85,955	86,020
MF [Member]
Total Loans	5,573	5,752
MF [Member] | Current
Total Loans	5,573	5,752
C+I [Member]
Total Loans	24,902	23,711
C+I [Member] | Current
Total Loans	24,902	23,711
ADL [Member]
Total Loans	13,075	14,946
ADL [Member] | Current
Total Loans	13,075	14,946
RES [Member]
Total Loans	275,881	275,235
RES [Member] | 30-59 Days Past Due [Member]
Total Loans	181
RES [Member] | Total Past Due
Total Loans	181
RES [Member] | Current
Total Loans	275,700	275,235
HELOC [Member]
Total Loans	21,354	20,908
HELOC [Member] | 30-59 Days Past Due [Member]
Total Loans	19
HELOC [Member] | Total Past Due
Total Loans	19
HELOC [Member] | Current
Total Loans	21,335	20,908
CON [Member]
Total Loans	12,757	12,395
CON [Member] | Current
Total Loans	$ 12,757	$ 12,395

X

- Definition

Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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