Loans Held for Investment - Schedule of Loans Held for Investment Contractually Repricing (Details) $ in Thousands	Jun. 30, 2024 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, Fixed Rate	$ 110,172
Total	1,050,846
Within One Year
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, Adjustable Rate	273,142
After One Year Through 3 Years
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, Adjustable Rate	198,702
After 3 Years Through 5 Years
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, Adjustable Rate	244,782
After 5 Years Through 10 Years
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, Adjustable Rate	224,048
Mortgage loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	83,349
Mortgage loans | Single-family
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, Fixed Rate	108,756
Total	518,091
Mortgage loans | Single-family | Within One Year
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, Adjustable Rate	54,686
Mortgage loans | Single-family | After One Year Through 3 Years
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, Adjustable Rate	30,234
Mortgage loans | Single-family | After 3 Years Through 5 Years
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, Adjustable Rate	104,979
Mortgage loans | Single-family | After 5 Years Through 10 Years
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, Adjustable Rate	219,436
Mortgage loans | Multi Family
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, Fixed Rate	94
Total	445,182
Mortgage loans | Multi Family | Within One Year
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, Adjustable Rate	180,464
Mortgage loans | Multi Family | After One Year Through 3 Years
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, Adjustable Rate	144,227
Mortgage loans | Multi Family | After 3 Years Through 5 Years
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, Adjustable Rate	115,785
Mortgage loans | Multi Family | After 5 Years Through 10 Years
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, Adjustable Rate	4,612
Mortgage loans | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, Fixed Rate	1,227
Total	83,349
Mortgage loans | Commercial real estate | Within One Year
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, Adjustable Rate	33,863
Mortgage loans | Commercial real estate | After One Year Through 3 Years
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, Adjustable Rate	24,241
Mortgage loans | Commercial real estate | After 3 Years Through 5 Years
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, Adjustable Rate	24,018
Mortgage loans | Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	2,692
Mortgage loans | Construction | Within One Year
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, Adjustable Rate	2,692
Mortgage loans | Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, Fixed Rate	95
Total	95
Commercial business loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	1,372
Commercial business loans | Within One Year
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, Adjustable Rate	1,372
Consumer loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	65
Consumer loans | Within One Year
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, Adjustable Rate	$ 65