Derivatives - Narrative (Details)	3 Months Ended		9 Months Ended
	Mar. 31, 2025 USD ($) swap	Mar. 31, 2024 USD ($)	Sep. 15, 2023	Dec. 31, 2024 USD ($)
Derivatives, Fair Value [Line Items]
Collateral requirement threshold	$ 250,000
Collateral posted	584,000			$ 579,000
Derivative notional amount	$ 321,200,000			309,000,000.0
Number of derivatives | swap	26
Interest and fee income, commercial loans	$ 129,000	$ 63,000
Residential Mortgage Holding Company
Derivatives, Fair Value [Line Items]
Commitments to originate mortgage loans held for sale	$ 68,300,000			32,300,000
Secured Overnight Financing Rate (SOFR)
Derivatives, Fair Value [Line Items]
Tenor spread adjustment	0.0026
Subordinated debt
Derivatives, Fair Value [Line Items]
Junior subordinated debenture	$ 10,000,000.0
Junior subordinated debenture, effective interest rate (percent)	3.72%
Debt instrument, interest rate during period (percent)	5.93%
Subordinated debt | LIBOR
Derivatives, Fair Value [Line Items]
Debt instrument, basis spread on variable rate (percent)			1.37%
Subordinated debt | Secured Overnight Financing Rate (SOFR)
Derivatives, Fair Value [Line Items]
Debt instrument, basis spread on variable rate (percent)	1.37%
Variable to Fixed
Derivatives, Fair Value [Line Items]
Derivative notional amount	$ 160,600,000
Number of derivatives | swap	26
Fixed to Variable
Derivatives, Fair Value [Line Items]
Derivative notional amount	$ 160,600,000
Number of derivatives | swap	26
Interest rate swaps | Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Cash pledged to collateralize fair value exposure on interest rate swap	$ 130,000			130,000
Unrealized gain (loss) on interest rate swap	$ 1,100,000			$ 1,300,000