Mortgage Banking Derivatives - Schedule of Mortgage Banking Derivatives Included in Statements of Financial Condition (Details) - Mortgage Banking - USD ($)	Jun. 30, 2025	Dec. 31, 2024
Derivatives, Fair Value [Line Items]
Derivative, notional amount	$ 46,350,000	$ 43,585,000
Derivative, fair value	393,000	439,000
IRLs
Derivatives, Fair Value [Line Items]
Derivative, notional amount	17,350,000	15,085,000
Derivative, fair value	708,000	363,000
Forwards
Derivatives, Fair Value [Line Items]
Derivative, notional amount	29,000,000	28,500,000
Derivative, fair value	$ (315,000)	$ 76,000