Loans Receivable Held for Investment - Collateral Dependent Loans By Collateral Type (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Collateral Pledged - Single-Family [Member]
Loans Receivable Held for Investment [Abstract]
Recorded total loans	$ 424	$ 424
Collateral Pledged - Multi-Family Residential [Member]
Loans Receivable Held for Investment [Abstract]
Recorded total loans	11,385	10,262
Collateral Pledged - Business Assets [Member]
Loans Receivable Held for Investment [Abstract]
Recorded total loans	46	261
Collateral Pledged {Member]
Loans Receivable Held for Investment [Abstract]
Recorded total loans	11,855	10,947
Real Estate [Member] \| Single-Family [Member] \| Collateral Pledged - Single-Family [Member]
Loans Receivable Held for Investment [Abstract]
Recorded total loans	424	424
Real Estate [Member] \| Single-Family [Member] \| Collateral Pledged - Multi-Family Residential [Member]
Loans Receivable Held for Investment [Abstract]
Recorded total loans	0	0
Real Estate [Member] \| Single-Family [Member] \| Collateral Pledged - Business Assets [Member]
Loans Receivable Held for Investment [Abstract]
Recorded total loans	0	0
Real Estate [Member] \| Single-Family [Member] \| Collateral Pledged {Member]
Loans Receivable Held for Investment [Abstract]
Recorded total loans	424	424
Real Estate [Member] \| Multi-Family [Member] \| Collateral Pledged - Single-Family [Member]
Loans Receivable Held for Investment [Abstract]
Recorded total loans	0	0
Real Estate [Member] \| Multi-Family [Member] \| Collateral Pledged - Multi-Family Residential [Member]
Loans Receivable Held for Investment [Abstract]
Recorded total loans	3,217	2,094
Real Estate [Member] \| Multi-Family [Member] \| Collateral Pledged - Business Assets [Member]
Loans Receivable Held for Investment [Abstract]
Recorded total loans	0	0
Real Estate [Member] \| Multi-Family [Member] \| Collateral Pledged {Member]
Loans Receivable Held for Investment [Abstract]
Recorded total loans	3,217	2,094
Real Estate [Member] \| Construction [Member] \| Collateral Pledged - Single-Family [Member]
Loans Receivable Held for Investment [Abstract]
Recorded total loans	0	0
Real Estate [Member] \| Construction [Member] \| Collateral Pledged - Multi-Family Residential [Member]
Loans Receivable Held for Investment [Abstract]
Recorded total loans	8,168	8,168
Real Estate [Member] \| Construction [Member] \| Collateral Pledged - Business Assets [Member]
Loans Receivable Held for Investment [Abstract]
Recorded total loans	0	0
Real Estate [Member] \| Construction [Member] \| Collateral Pledged {Member]
Loans Receivable Held for Investment [Abstract]
Recorded total loans	8,168	8,168
Commercial - Other [Member] \| Collateral Pledged - Single-Family [Member]
Loans Receivable Held for Investment [Abstract]
Recorded total loans	0	0
Commercial - Other [Member] \| Collateral Pledged - Multi-Family Residential [Member]
Loans Receivable Held for Investment [Abstract]
Recorded total loans	0	0
Commercial - Other [Member] \| Collateral Pledged - Business Assets [Member]
Loans Receivable Held for Investment [Abstract]
Recorded total loans	46	261
Commercial - Other [Member] \| Collateral Pledged {Member]
Loans Receivable Held for Investment [Abstract]
Recorded total loans	$ 46	$ 261

Collateral Pledged - Single-Family [Member]