Fair Value of Financial Instruments - Narrative (Details) $ in Thousands	Sep. 30, 2023 USD ($)	Jun. 30, 2023 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value off-balance sheet risks, amount, liability	$ 998,165	$ 950,387
Minimum | Fair Value, Inputs, Level 3 | Real Estate Loans | Collateral discounts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Level 3 fair value measurements during the period	0.08
Minimum | Fair Value, Inputs, Level 3 | Real Estate Loans | Discount Spread
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Level 3 fair value measurements during the period	0.05
Maximum | Fair Value, Inputs, Level 3 | Real Estate Loans | Collateral discounts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Level 3 fair value measurements during the period	0.12
Maximum | Fair Value, Inputs, Level 3 | Real Estate Loans | Discount Spread
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Level 3 fair value measurements during the period	0.15