Senior Debt & Subordinated Debentures - Narrative (Details)			3 Months Ended		6 Months Ended
	Dec. 01, 2026	Sep. 15, 2022 USD ($)	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($) $ / security	Jun. 30, 2025 USD ($)	Dec. 31, 2025 USD ($)	Nov. 12, 2021
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage			5.53%		5.53%
Debt instrument, initial interest payment term		3 years
Debt instrument, principal and interest payment term		6 years 9 months
Debt instrument, convertible, remaining discount amortization period		12 years
Percentage of Trust Preferred Securities eligible as Tier 1 capital					25.00%
Trust preferred securities, distribution rate, basis spread on variable interest rate					1.60%
Subordinated Debt
Debt Instrument [Line Items]
Subordinated debentures			$ 75,291,000		$ 75,291,000		$ 69,526,000
Debt instrument, interest rate, stated percentage								3.13%
Interest expense, debt			309,000		619,000
Subordinated Debt | Subordinated Debt, Due 2031
Debt Instrument [Line Items]
Subordinated debentures			35,000,000		$ 35,000,000		$ 35,000,000
Subordinated Debt | Subordinated Debt, Due 2031 | Forecast
Debt Instrument [Line Items]
Spread on variable interest rate - plus (less)	2.10%
Subordinated Debt | USB Capital Trust II
Debt Instrument [Line Items]
Spread on variable interest rate - plus (less)					1.29%
Principal amount of subordinated notes			6,464,000		$ 6,464,000
Debt Instrument, Term					30 years
Senior Notes
Debt Instrument [Line Items]
Spread on variable interest rate - plus (less)		(0.50%)
Aggregate Principal Amount Junior Subordinated Notes		$ 30,000,000
Interest expense, debt			460,000	$ 512,000	$ 921,000	$ 1,018,000
Junior Subordinated Debentures
Debt Instrument [Line Items]
Debt instrument, payable at election of holders, percentage					25.00%
Trust Preferred Securities Liquidation Value Per Unit | $ / security					1,000
Interest expense, debt			$ 167,000	$ 81,000	$ 238,000	$ 160,000