Borrowings - Narrative (Details)			1 Months Ended		12 Months Ended
	May 13, 2025 USD ($)	Jun. 29, 2018 USD ($) investor	Mar. 31, 2025 USD ($)	Sep. 30, 2015 USD ($)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2003 USD ($)	Jul. 31, 2023 USD ($)	Dec. 21, 2022 USD ($)	Jun. 22, 2022	Dec. 22, 2016 USD ($)
Debt Instrument [Line Items]
Borrowings					$ 16,446,000	$ 33,100,000
Repayments of FHLB long term borrowings					0	30,000,000	$ 0
Repayments of FHLB short term borrowings						68,000,000.0
Advances from federal home loan banks, total					0	3,000,000.0
Debt issuance costs, net					149,000
Amortization of debt issuance costs					193,000	177,000	177,000
Number of investors | investor		2
Debt conversion, converted instrument, amount	$ 1,900,000
Subordinated debt, net					8,289,000	9,898,000
Interest on subordinated debt					1,355,000	1,596,000	1,481,000
Long-term debt, gross					16,595,000
Senior Notes
Debt Instrument [Line Items]
Debt instrument, face amount										$ 12,000,000		$ 12,000,000
Debt instrument, interest rate, stated										8.50%		7.00%
Debt issuance costs, net					0	139,000				$ 360,000
Interest expense, long-term debt					600,000	1,200,000	1,200,000
Amortization of debt issuance costs					162,000	139,000	139,000
Senior Notes | Accrued Expenses and Other Liabilities
Debt Instrument [Line Items]
Interest payable					0	470,000
Senior Notes | July 1, 2022 until September 30, 2022
Debt Instrument [Line Items]
Debt instrument, interest rate, stated											7.25%
Senior Notes | After September 30, 2022
Debt Instrument [Line Items]
Debt instrument, interest rate, stated											7.50%
Subordinated notes
Debt Instrument [Line Items]
Debt instrument, face amount		$ 10,000,000
Debt instrument, interest rate, stated		6.25%
Debt instrument, basis spread on variable rate		3.325%
Subordinated Notes
Debt Instrument [Line Items]
Borrowings					8,289,000
Interest expense, debt, total					707,000	889,000	786,000
Debt issuance costs, net		$ 291,000			58,000	102,000
Long-term debt, gross					8,347,000
Junior Subordinated Debt
Debt Instrument [Line Items]
Borrowings					8,157,000
Debt issuance costs, net					91,000	101,000
Amortization of debt issuance costs					10,000	10,000	9,000
Interest payable					$ 9,000	174,000
Debt instrument, basis spread on variable rate					3.15%
Subordinated debt, net								$ 8,000,000.0
Payments of debt issuance costs								$ 240,000
Excess tier one risk based capital to risk weighted assets								0.068
Debt, weighted average interest rate					7.41%
Interest on subordinated debt					$ 648,000	707,000	695,000
Long-term debt, gross					8,248,000
Note Payable
Debt Instrument [Line Items]
Interest expense, debt, total					1,000	5,000	8,000
Debt instrument, face amount				$ 2,000,000.0
Debt instrument, interest rate, stated				1.75%
Debt instrument, term (in years)				9 years
Long-term debt, gross					0	162,000
Federal Reserve Bank Advances
Debt Instrument [Line Items]
Financial instruments, owned, at fair value					47,700,000
Interest expense, debt, total					98,000	32,000	48,000
Short-term debt					0	0
FRBNY's Borrower-in-Custody
Debt Instrument [Line Items]
Short-term debt					70,000,000.0	40,000,000.0
Bank Term Funding Program
Debt Instrument [Line Items]
Interest expense, debt, total					0	2,300,000	1,800,000
Repayments of short-term debt						70,000,000.0
Correspondent Bank Agreement | Zions Bank
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity					0	5,000,000.0
Long-term line of credit, total					0	0
Interest expense, debt, total					$ 0	4,000	117,000
6.25% Fixed to Floating Subordinated Note
Debt Instrument [Line Items]
Debt conversion, converted instrument, amount			$ 2,000,000.0
Federal Home Loan Bank Borrowings
Debt Instrument [Line Items]
Maximum borrowing capacity as percentage of assets					15.00%
Line of credit facility, maximum borrowing capacity					$ 76,000,000.0
Long-term line of credit, total					0	0
Interest expense, debt, total					3,000	$ 1,100,000	$ 4,200,000
Federal Home Loan Bank Borrowings | Standby Letters of Credit
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity					55,000,000.0
Federal Home Loan Bank Borrowings | Overnight Line Of Credit
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity					250,000
Asset Pledged as Collateral
Debt Instrument [Line Items]
Financial instruments, owned, at fair value					76,000,000.0
Asset Pledged as Collateral with Right | Federal Reserve Bank Advances
Debt Instrument [Line Items]
Financial instruments, owned, at fair value					$ 26,400,000
Asset Pledged as Collateral with Right | Bank Term Funding Program
Debt Instrument [Line Items]
Financial instruments, owned, at fair value									$ 73,800,000