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Fair Value of Financial Instruments- Quantitive Information on Assed Value, Non Recurring (Details) $ in Thousands	6 Months Ended	12 Months Ended
	Dec. 31, 2022 USD ($)	Jun. 30, 2022 USD ($)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Collateral dependent loans	$ 20,543	$ 21,031
Other real estate owned	13,410	178
Market valuation of underlying collateral | Measurement Input, Cost to Sell
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Other real estate owned		$ 178
Valuation Techniques		Market valuation of underlying collateral
Unobservable Input		Adjustments to reflect current conditions/selling costs
Other real estate owned, measurement input		0.0600
Market valuation of underlying collateral | Measurement Input, Cost to Sell | Residential
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Other real estate owned	$ 454
Valuation Techniques	Market valuation of underlying collateral
Unobservable Input	Adjustments to reflect current conditions/selling costs
Other real estate owned, measurement input	0.0600
Market valuation of underlying collateral | Measurement Input, Cost to Sell | Nonresidential mortgage
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Other real estate owned	$ 12,956
Market valuation of underlying collateral | Measurement Input, Cost to Sell | Residential mortgage
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Collateral dependent loans	$ 2,030	$ 2,035
Valuation Techniques	Market valuation of underlying collateral	Market valuation of underlying collateral
Unobservable Input	Adjustments to reflect current conditions/selling costs	Adjustments to reflect current conditions/selling costs
Market valuation of underlying collateral | Measurement Input, Cost to Sell | Multi-family mortgage
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Collateral dependent loans	$ 7,538	$ 7,517
Valuation Techniques	Market valuation of underlying collateral	Market valuation of underlying collateral
Unobservable Input	Adjustments to reflect current conditions/selling costs	Adjustments to reflect current conditions/selling costs
Market valuation of underlying collateral | Measurement Input, Cost to Sell | Nonresidential mortgage
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Collateral dependent loans	$ 10,975	$ 11,479
Valuation Techniques	Market valuation of underlying collateral	Market valuation of underlying collateral
Unobservable Input	Adjustments to reflect current conditions/selling costs	Adjustments to reflect current conditions/selling costs
Other real estate owned, measurement input	0.0400
Market valuation of underlying collateral | Minimum | Measurement Input, Cost to Sell | Residential mortgage
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Collateral dependent loans, measurement input	0.07	0.07
Market valuation of underlying collateral | Minimum | Measurement Input, Cost to Sell | Multi-family mortgage
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Collateral dependent loans, measurement input	0.10	0.10
Market valuation of underlying collateral | Minimum | Measurement Input, Cost to Sell | Nonresidential mortgage
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Collateral dependent loans, measurement input	0.09	0.09
Market valuation of underlying collateral | Maximum | Measurement Input, Cost to Sell | Residential mortgage
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Collateral dependent loans, measurement input	0.10	0.10
Market valuation of underlying collateral | Maximum | Measurement Input, Cost to Sell | Multi-family mortgage
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Collateral dependent loans, measurement input	0.12	0.12
Market valuation of underlying collateral | Maximum | Measurement Input, Cost to Sell | Nonresidential mortgage
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Collateral dependent loans, measurement input	0.19	0.18
Market valuation of underlying collateral | Weighted Average | Measurement Input, Cost to Sell
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Other real estate owned, measurement input		0.0600
Market valuation of underlying collateral | Weighted Average | Measurement Input, Cost to Sell | Residential
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Other real estate owned, measurement input	0.0600
Market valuation of underlying collateral | Weighted Average | Measurement Input, Cost to Sell | Residential mortgage
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Collateral dependent loans, measurement input	0.0914	0.0897
Market valuation of underlying collateral | Weighted Average | Measurement Input, Cost to Sell | Multi-family mortgage
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Collateral dependent loans, measurement input	0.1093	0.1106
Market valuation of underlying collateral | Weighted Average | Measurement Input, Cost to Sell | Nonresidential mortgage
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Collateral dependent loans, measurement input	0.1395	0.1272
Other real estate owned, measurement input	0.0400

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