Note 3 - Loans Receivable - Summary of Nonaccrual Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Nonaccrual, no allowance	$ 61,273	$ 31,482
Nonaccrual, with allowance	16	0
Nonaccrual	61,289	31,482
Residential Portfolio Segment [Member] \| Single Family [Member]
Nonaccrual, no allowance	7,907	5,316
Nonaccrual, with allowance	0	0
Nonaccrual	7,907	5,316
Residential Portfolio Segment [Member] \| Multifamily [Member]
Nonaccrual, no allowance	7,072
Nonaccrual, with allowance	0
Nonaccrual	7,072
Commercial Real Estate Portfolio Segment [Member] \| Non-owner Occupied [Member]
Nonaccrual, no allowance	14,923	314
Nonaccrual, with allowance	0	0
Nonaccrual	14,923	314
Commercial Real Estate Portfolio Segment [Member] \| Owner-occupied [Member]
Nonaccrual, no allowance	4,735
Nonaccrual, with allowance	0
Nonaccrual	4,735
Commercial Real Estate Portfolio Segment [Member] \| Construction and Land Development [Member]
Nonaccrual, no allowance	26,291	25,467
Nonaccrual, with allowance	0	0
Nonaccrual	26,291	25,467
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member]
Nonaccrual, no allowance	345	385
Nonaccrual, with allowance	0	0
Nonaccrual	345	$ 385
Commercial Portfolio Segment [Member] \| Consumer Loans [Member]
Nonaccrual, no allowance	0
Nonaccrual, with allowance	16
Nonaccrual	$ 16