Fair Value of Financial Instruments - Valuation techniques and inputs used (Details) - Fair Value, Inputs, Level 3 [Member] $ in Thousands	12 Months Ended
	Jun. 30, 2024 USD ($)
Collateralized Mortgage Obligations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	$ 88
Collateralized Mortgage Obligations [Member] | Valuation Technique, Consensus Pricing Model [Member] | Measurement Input, Comparability Adjustment [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impact to valuation from an increase in inputs on assets	Increase
Collateralized Mortgage Obligations [Member] | Minimum [Member] | Valuation Technique, Consensus Pricing Model [Member] | Measurement Input, Comparability Adjustment [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets Fair Value Measurement Input	(2.00%)
Collateralized Mortgage Obligations [Member] | Maximum [Member] | Valuation Technique, Consensus Pricing Model [Member] | Measurement Input, Comparability Adjustment [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets Fair Value Measurement Input	(6.50%)
Collateralized Mortgage Obligations [Member] | Weighted Average [Member] | Valuation Technique, Consensus Pricing Model [Member] | Measurement Input, Comparability Adjustment [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets Fair Value Measurement Input	(2.90%)
Loans Held For Investment at Fair Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	$ 1,047
Loans Held For Investment at Fair Value | Relative value analysis | Broker quotes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impact to valuation from an increase in inputs on assets	Increase
Loans Held For Investment at Fair Value | Relative value analysis | Measurement Input, Entity Credit Risk [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impact to valuation from an increase in inputs on assets	Decrease
Loans Held For Investment at Fair Value | Minimum [Member] | Relative value analysis | Broker quotes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets Fair Value Measurement Input	86.90%
Loans Held For Investment at Fair Value | Minimum [Member] | Relative value analysis | Measurement Input, Entity Credit Risk [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets Fair Value Measurement Input	1.00%
Loans Held For Investment at Fair Value | Maximum [Member] | Relative value analysis | Broker quotes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets Fair Value Measurement Input	89.00%
Loans Held For Investment at Fair Value | Maximum [Member] | Relative value analysis | Measurement Input, Entity Credit Risk [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets Fair Value Measurement Input	1.10%
Loans Held For Investment at Fair Value | Weighted Average [Member] | Relative value analysis | Broker quotes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets Fair Value Measurement Input	(88.20%)
Loans Held For Investment at Fair Value | Weighted Average [Member] | Relative value analysis | Measurement Input, Entity Credit Risk [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets Fair Value Measurement Input	(1.00%)
Loans with individually evaluated allowance
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	$ 695
Loans with individually evaluated allowance | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Default Rate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets Fair Value Measurement Input	5.00%
Impact to valuation from an increase in inputs on assets	Decrease
Loans with individually evaluated allowance | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Discount Rate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets Fair Value Measurement Input	6.90%
Impact to valuation from an increase in inputs on assets	Decrease
Servicing Contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	$ 87
Servicing Contracts [Member] | Measurement Input, Prepayment Rate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impact to valuation from an increase in inputs on assets	Decrease
Servicing Contracts [Member] | Measurement Input, Discount Rate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impact to valuation from an increase in inputs on assets	Decrease
Servicing Contracts [Member] | Minimum [Member] | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Prepayment Rate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets Fair Value Measurement Input	5.10%
Servicing Contracts [Member] | Minimum [Member] | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Discount Rate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets Fair Value Measurement Input	9.00%
Servicing Contracts [Member] | Maximum [Member] | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Prepayment Rate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets Fair Value Measurement Input	60.00%
Servicing Contracts [Member] | Maximum [Member] | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Discount Rate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets Fair Value Measurement Input	10.50%
Servicing Contracts [Member] | Weighted Average [Member] | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Prepayment Rate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets Fair Value Measurement Input	(9.60%)
Servicing Contracts [Member] | Weighted Average [Member] | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Discount Rate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets Fair Value Measurement Input	(9.10%)
Interest-Only-Strip [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	$ 8
Interest-Only-Strip [Member] | Measurement Input, Prepayment Rate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impact to valuation from an increase in inputs on assets	Decrease
Interest-Only-Strip [Member] | Measurement Input, Discount Rate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impact to valuation from an increase in inputs on assets	Decrease
Interest-Only-Strip [Member] | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Discount Rate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets Fair Value Measurement Input	9.00%
Interest-Only-Strip [Member] | Minimum [Member] | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Prepayment Rate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets Fair Value Measurement Input	7.30%
Interest-Only-Strip [Member] | Maximum [Member] | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Prepayment Rate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets Fair Value Measurement Input	12.30%
Interest-Only-Strip [Member] | Weighted Average [Member] | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Prepayment Rate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets Fair Value Measurement Input	(8.60%)