Investment Securities - Additional information (Details)	3 Months Ended			6 Months Ended		12 Months Ended
	Jun. 30, 2024 USD ($) position security	Mar. 31, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($) position security	Jun. 30, 2023 USD ($)	Dec. 31, 2023 USD ($) security	Mar. 31, 2023 USD ($)
Investment Securities:
Held to maturity securities, fair value	$ 60,763,000			$ 60,763,000		$ 58,621,000
Equity securities	341,000			$ 341,000		$ 499,000
The weighted average duration of the total investment securities portfolio				47 months 27 days		49 months 12 days
Proceeds from sales of investment securities - available for sale	500,000		$ 0	$ 935,000	$ 0
Book value of securities available for sale and held to maturity	134,550,000			134,550,000		$ 135,624,000
Accrued interest receivable on available for sale debt securities	1,100,000			1,100,000		988,000
Gross investment gains	0			$ 0
Premium percentage on mortgage backed securities purchased				100.80%
Unrealized loss on equity securities				$ 0
Held to maturity, allowance for credit losses	100,000	$ 90,000	109,000	100,000	109,000	37,000	$ 83,000
Accrued interest receivable on held to maturity debt securities	403,000			403,000		388,000
Held to maturity debt securities in non-accrual	0			0		0
Provision for credit losses recovery on available for sale debt securities	244,000		0
Charge-off resulted from sale of securities				491,000
Provision for credit losses recovery recognized				75,000
Available for Sale Securities, allowance for credit losses	$ 360,000	116,000	926,000	$ 360,000	926,000	$ 926,000	926,000
Number of available for sale debt securities in non accrual status | security	0			0		1
Available-for-Sale debt securities in non-accrual						$ 926,000
Percentage of unrealized loss position for less than 12 months				0.90%
Percentage of unrealized loss position for greater than 12 months				12.10%
Assets	$ 1,403,438,000			$ 1,403,438,000		1,389,638,000
Net income	$ (375,000)		(187,000)	$ 1,529,000	1,328,000
Available For Sale Debt Security, Greater Than 90 Days Past Due, Number of Securities | security	1			1
Debt Securities Available For Sale Excluding Accrued Interest, Past Due Over 90 Days	$ 1,000,000.0			$ 1,000,000.0
Debt Securities Available For Sale Amortized Cost, Allowance For Credit Loss Excluding Accrued Interest, Past Due Over 90 Days	360,000			360,000		0
Debt Securities, Available-for-Sale, Realized Gain (Loss)				0
U.S. Agency
Investment Securities:
Held to maturity securities, fair value	2,118,000			2,118,000		2,121,000
Held to maturity, allowance for credit losses	$ 0			$ 0
Unrealized loss position for greater than 12 months, Number of positions | position	6			6
U.S. Agency mortgage-backed securities
Investment Securities:
Held to maturity securities, fair value	$ 24,423,000			$ 24,423,000		22,213,000
Held to maturity, allowance for credit losses	$ 0			$ 0
Unrealized loss position for less than 12 months, Number of positions | position	11			11
Unrealized loss position for greater than 12 months, Number of positions | position	136			136
Municipal
Investment Securities:
Held to maturity securities, fair value	$ 29,952,000			$ 29,952,000		29,990,000
Held to maturity, allowance for credit losses	$ 2,000	2,000	2,000	$ 2,000	2,000	2,000	3,000
Unrealized loss position for less than 12 months, Number of positions	1			1
Unrealized loss position for greater than 12 months, Number of positions | position	31			31
Corporate bonds
Investment Securities:
Charge-off resulted from sale of securities				$ 491,000
Available for Sale Securities, allowance for credit losses	$ 360,000	116,000	$ 926,000	$ 360,000	$ 926,000	$ 926,000	$ 926,000
Unrealized loss position for less than 12 months, Number of positions | position	5			5
Unrealized loss position for greater than 12 months, Number of positions | position	84			84
Subordinated debt investment
Investment Securities:
Charge-off resulted from sale of securities		491,000
Provision for credit losses recovery recognized		$ 435,000
Standard & Poor's, AAA Rating [Member]
INVESTMENT SECURITIES
Portfolio rated	56.50%			56.50%		55.90%
Securities rated below A
INVESTMENT SECURITIES
Portfolio rated	14.50%			14.50%		15.10%
Maximum
Investment Securities:
The weighted average duration of the total investment securities portfolio				60 months