v3.26.1
Loans Held for Investment - Schedule of commercial real estate loans by geographic concentration (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Jun. 30, 2025
Loans Held for Investment    
Total commercial real estate $ 1,028,601 $ 1,042,423
Mortgage loans | Commercial real estate    
Loans Held for Investment    
Total commercial real estate $ 66,731 $ 72,766
Percentage of commercial real estate loan 100.00% 100.00%
Mortgage loans | Commercial real estate | Inland empire    
Loans Held for Investment    
Total commercial real estate $ 11,859 $ 13,744
Percentage of commercial real estate loan 18.00% 19.00%
Mortgage loans | Commercial real estate | Southern California    
Loans Held for Investment    
Total commercial real estate $ 36,837 $ 39,213
Percentage of commercial real estate loan 55.00% 54.00%
Mortgage loans | Commercial real estate | Other California    
Loans Held for Investment    
Total commercial real estate $ 18,035 $ 19,809
Percentage of commercial real estate loan 27.00% 27.00%
Mortgage loans | Commercial real estate | Office    
Loans Held for Investment    
Total commercial real estate $ 21,219 $ 25,561
Mortgage loans | Commercial real estate | Mixed use    
Loans Held for Investment    
Total commercial real estate 14,656 14,609
Mortgage loans | Commercial real estate | Retail    
Loans Held for Investment    
Total commercial real estate 9,231 8,001
Mortgage loans | Commercial real estate | Warehouse    
Loans Held for Investment    
Total commercial real estate 8,346 9,201
Mortgage loans | Commercial real estate | Medical/dental office    
Loans Held for Investment    
Total commercial real estate 5,473 6,888
Mortgage loans | Commercial real estate | Mobile home park    
Loans Held for Investment    
Total commercial real estate 6,087 6,761
Mortgage loans | Commercial real estate | Restaurant/Fast Food    
Loans Held for Investment    
Total commercial real estate 1,157 1,174
Mortgage loans | Commercial real estate | Automotive - non gasoline    
Loans Held for Investment    
Total commercial real estate 562 571
Mortgage loans | Owner Occupied Loan Balance    
Loans Held for Investment    
Total commercial real estate $ 9,735 $ 10,469
Percentage of commercial real estate loan 100.00% 100.00%
Mortgage loans | Owner Occupied Loan Balance | Inland empire    
Loans Held for Investment    
Total commercial real estate $ 401 $ 901
Percentage of commercial real estate loan 4.00% 9.00%
Mortgage loans | Owner Occupied Loan Balance | Southern California    
Loans Held for Investment    
Total commercial real estate $ 8,535 $ 8,732
Percentage of commercial real estate loan 88.00% 83.00%
Mortgage loans | Owner Occupied Loan Balance | Other California    
Loans Held for Investment    
Total commercial real estate $ 799 $ 836
Percentage of commercial real estate loan 8.00% 8.00%
Mortgage loans | Owner Occupied Loan Balance | Office    
Loans Held for Investment    
Total commercial real estate $ 5,053 $ 5,666
Percentage of commercial real estate loan 100.00% 100.00%
Mortgage loans | Owner Occupied Loan Balance | Office | Inland empire    
Loans Held for Investment    
Total commercial real estate $ 137 $ 630
Percentage of commercial real estate loan 3.00% 11.00%
Mortgage loans | Owner Occupied Loan Balance | Office | Southern California    
Loans Held for Investment    
Total commercial real estate $ 4,740 $ 4,852
Percentage of commercial real estate loan 94.00% 86.00%
Mortgage loans | Owner Occupied Loan Balance | Office | Other California    
Loans Held for Investment    
Total commercial real estate $ 176 $ 184
Percentage of commercial real estate loan 3.00% 3.00%
Mortgage loans | Owner Occupied Loan Balance | Mixed use    
Loans Held for Investment    
Total commercial real estate $ 264 $ 279
Percentage of commercial real estate loan 100.00% 100.00%
Mortgage loans | Owner Occupied Loan Balance | Mixed use | Other California    
Loans Held for Investment    
Total commercial real estate $ 264 $ 279
Percentage of commercial real estate loan 100.00% 100.00%
Mortgage loans | Owner Occupied Loan Balance | Warehouse    
Loans Held for Investment    
Total commercial real estate $ 1,290 $ 1,332
Percentage of commercial real estate loan 100.00% 100.00%
Mortgage loans | Owner Occupied Loan Balance | Warehouse | Southern California    
Loans Held for Investment    
Total commercial real estate $ 931 $ 959
Percentage of commercial real estate loan 72.00% 72.00%
Mortgage loans | Owner Occupied Loan Balance | Warehouse | Other California    
Loans Held for Investment    
Total commercial real estate $ 359 $ 373
Percentage of commercial real estate loan 28.00% 28.00%
Mortgage loans | Owner Occupied Loan Balance | Medical/dental office    
Loans Held for Investment    
Total commercial real estate $ 2,458 $ 2,511
Percentage of commercial real estate loan 100.00% 100.00%
Mortgage loans | Owner Occupied Loan Balance | Medical/dental office | Inland empire    
Loans Held for Investment    
Total commercial real estate $ 264 $ 271
Percentage of commercial real estate loan 11.00% 11.00%
Mortgage loans | Owner Occupied Loan Balance | Medical/dental office | Southern California    
Loans Held for Investment    
Total commercial real estate $ 2,194 $ 2,240
Percentage of commercial real estate loan 89.00% 89.00%
Mortgage loans | Owner Occupied Loan Balance | Restaurant/Fast Food    
Loans Held for Investment    
Total commercial real estate $ 670 $ 681
Percentage of commercial real estate loan 100.00% 100.00%
Mortgage loans | Owner Occupied Loan Balance | Restaurant/Fast Food | Southern California    
Loans Held for Investment    
Total commercial real estate $ 670 $ 681
Percentage of commercial real estate loan 100.00% 100.00%
Mortgage loans | Non Owner Occupied Loan Balance    
Loans Held for Investment    
Total commercial real estate $ 56,996 $ 62,297
Percentage of commercial real estate loan 100.00% 100.00%
Mortgage loans | Non Owner Occupied Loan Balance | Inland empire    
Loans Held for Investment    
Total commercial real estate $ 11,458 $ 12,843
Percentage of commercial real estate loan 20.00% 21.00%
Mortgage loans | Non Owner Occupied Loan Balance | Southern California    
Loans Held for Investment    
Total commercial real estate $ 28,302 $ 30,481
Percentage of commercial real estate loan 50.00% 49.00%
Mortgage loans | Non Owner Occupied Loan Balance | Other California    
Loans Held for Investment    
Total commercial real estate $ 17,236 $ 18,973
Percentage of commercial real estate loan 30.00% 30.00%
Mortgage loans | Non Owner Occupied Loan Balance | Office    
Loans Held for Investment    
Total commercial real estate $ 16,166 $ 19,895
Percentage of commercial real estate loan 100.00% 100.00%
Mortgage loans | Non Owner Occupied Loan Balance | Office | Inland empire    
Loans Held for Investment    
Total commercial real estate $ 3,516 $ 3,837
Percentage of commercial real estate loan 22.00% 19.00%
Mortgage loans | Non Owner Occupied Loan Balance | Office | Southern California    
Loans Held for Investment    
Total commercial real estate $ 10,203 $ 13,488
Percentage of commercial real estate loan 63.00% 68.00%
Mortgage loans | Non Owner Occupied Loan Balance | Office | Other California    
Loans Held for Investment    
Total commercial real estate $ 2,447 $ 2,570
Percentage of commercial real estate loan 15.00% 13.00%
Mortgage loans | Non Owner Occupied Loan Balance | Mixed use    
Loans Held for Investment    
Total commercial real estate $ 14,392 $ 14,330
Percentage of commercial real estate loan 100.00% 100.00%
Mortgage loans | Non Owner Occupied Loan Balance | Mixed use | Inland empire    
Loans Held for Investment    
Total commercial real estate $ 1,014 $ 449
Percentage of commercial real estate loan 7.00% 3.00%
Mortgage loans | Non Owner Occupied Loan Balance | Mixed use | Southern California    
Loans Held for Investment    
Total commercial real estate $ 6,382 $ 6,297
Percentage of commercial real estate loan 44.00% 44.00%
Mortgage loans | Non Owner Occupied Loan Balance | Mixed use | Other California    
Loans Held for Investment    
Total commercial real estate $ 6,996 $ 7,584
Percentage of commercial real estate loan 49.00% 53.00%
Mortgage loans | Non Owner Occupied Loan Balance | Retail    
Loans Held for Investment    
Total commercial real estate $ 9,231 $ 8,001
Percentage of commercial real estate loan 100.00% 100.00%
Mortgage loans | Non Owner Occupied Loan Balance | Retail | Inland empire    
Loans Held for Investment    
Total commercial real estate $ 1,156 $ 1,026
Percentage of commercial real estate loan 13.00% 13.00%
Mortgage loans | Non Owner Occupied Loan Balance | Retail | Southern California    
Loans Held for Investment    
Total commercial real estate $ 4,662 $ 3,296
Percentage of commercial real estate loan 50.00% 41.00%
Mortgage loans | Non Owner Occupied Loan Balance | Retail | Other California    
Loans Held for Investment    
Total commercial real estate $ 3,413 $ 3,679
Percentage of commercial real estate loan 37.00% 46.00%
Mortgage loans | Non Owner Occupied Loan Balance | Warehouse    
Loans Held for Investment    
Total commercial real estate $ 7,056 $ 7,869
Percentage of commercial real estate loan 100.00% 100.00%
Mortgage loans | Non Owner Occupied Loan Balance | Warehouse | Inland empire    
Loans Held for Investment    
Total commercial real estate $ 468 $ 1,064
Percentage of commercial real estate loan 7.00% 13.00%
Mortgage loans | Non Owner Occupied Loan Balance | Warehouse | Southern California    
Loans Held for Investment    
Total commercial real estate $ 3,826 $ 3,992
Percentage of commercial real estate loan 54.00% 51.00%
Mortgage loans | Non Owner Occupied Loan Balance | Warehouse | Other California    
Loans Held for Investment    
Total commercial real estate $ 2,762 $ 2,813
Percentage of commercial real estate loan 39.00% 36.00%
Mortgage loans | Non Owner Occupied Loan Balance | Medical/dental office    
Loans Held for Investment    
Total commercial real estate $ 3,015 $ 4,377
Percentage of commercial real estate loan 100.00% 100.00%
Mortgage loans | Non Owner Occupied Loan Balance | Medical/dental office | Inland empire    
Loans Held for Investment    
Total commercial real estate $ 1,179 $ 1,713
Percentage of commercial real estate loan 39.00% 39.00%
Mortgage loans | Non Owner Occupied Loan Balance | Medical/dental office | Southern California    
Loans Held for Investment    
Total commercial real estate $ 1,836 $ 1,993
Percentage of commercial real estate loan 61.00% 46.00%
Mortgage loans | Non Owner Occupied Loan Balance | Medical/dental office | Other California    
Loans Held for Investment    
Total commercial real estate   $ 671
Percentage of commercial real estate loan   15.00%
Mortgage loans | Non Owner Occupied Loan Balance | Mobile home park    
Loans Held for Investment    
Total commercial real estate $ 6,087 $ 6,761
Percentage of commercial real estate loan 100.00% 100.00%
Mortgage loans | Non Owner Occupied Loan Balance | Mobile home park | Inland empire    
Loans Held for Investment    
Total commercial real estate $ 4,125 $ 4,754
Percentage of commercial real estate loan 68.00% 70.00%
Mortgage loans | Non Owner Occupied Loan Balance | Mobile home park | Southern California    
Loans Held for Investment    
Total commercial real estate $ 344 $ 351
Percentage of commercial real estate loan 6.00% 5.00%
Mortgage loans | Non Owner Occupied Loan Balance | Mobile home park | Other California    
Loans Held for Investment    
Total commercial real estate $ 1,618 $ 1,656
Percentage of commercial real estate loan 26.00% 25.00%
Mortgage loans | Non Owner Occupied Loan Balance | Restaurant/Fast Food    
Loans Held for Investment    
Total commercial real estate $ 487 $ 493
Percentage of commercial real estate loan 100.00% 100.00%
Mortgage loans | Non Owner Occupied Loan Balance | Restaurant/Fast Food | Southern California    
Loans Held for Investment    
Total commercial real estate $ 487 $ 493
Percentage of commercial real estate loan 100.00% 100.00%
Mortgage loans | Non Owner Occupied Loan Balance | Automotive - non gasoline    
Loans Held for Investment    
Total commercial real estate $ 562 $ 571
Percentage of commercial real estate loan 100.00% 100.00%
Mortgage loans | Non Owner Occupied Loan Balance | Automotive - non gasoline | Southern California    
Loans Held for Investment    
Total commercial real estate $ 562 $ 571
Percentage of commercial real estate loan 100.00% 100.00%