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Loans Receivable and Allowance for Credit Losses (Allowance for Credit Losses on loans) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
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Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Allowance for credit losses: Beginning Balance | $ 50,658 | $ 35,243 | $ 30,205 | $ 34,789 | $ 33,608 | $ 32,373 | $ 33,608
Allowance for credit losses: Charge-offs | (17,494) | (3,471) | (515) | (27,722) | (6,400) | (555) | (10,835)
Allowance for credit losses: Recoveries | 559 | 31 | 19 | 920 | 69 | 84 | 446
Allowance for credit losses: Provision (benefit) | 4,080 | 2,890 | 2,205 | 29,816 | 7,416 | 4,177 | 11,570
Allowance for credit losses: Ending balance: individually evaluated | 14,629 | 6,068 | 2,772 | 14,629 | 6,068 | 2,772 | 11,817
Allowance for credit losses: Ending balance: collectively evaluated | 23,174 | 28,625 | 29,142 | 23,174 | 28,625 | 29,142 | 22,972
Allowance for credit losses: Ending Balance | 37,803 | 34,693 | 31,914 | 37,803 | 34,693 | 31,914 | 34,789
Loans receivables: Ending balance: individually evaluated | 129,358 | 66,048 | 35,868 | 129,358 | 66,048 | 35,868 | 83,399
Loans receivables: Ending balance: collectively evaluated | 2,699,575 | 3,059,599 | 3,286,271 | 2,699,575 | 3,059,599 | 3,286,271 | 2,950,385
Total Gross Loans | 2,828,933 | 3,125,647 | 3,322,139 | 2,828,933 | 3,125,647 | 3,322,139 | 3,033,784
Residential [Member] |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Allowance for credit losses: Beginning Balance | 1,837 | 2,039 | 2,453 | 1,947 | 2,344 | 2,474 | 2,344
Allowance for credit losses: Charge-offs |  |  |  |  |  |  |
Allowance for credit losses: Recoveries | 9 | 8 | 14 | 43 | 33 | 38 | 48
Allowance for credit losses: Provision (benefit) | (219) | 30 | (23) | (363) | (300) | (212) | (445)
Allowance for credit losses: Ending balance: individually evaluated |  |  |  |  |  |  |
Allowance for credit losses: Ending balance: collectively evaluated | 1,627 | 2,077 | 2,444 | 1,627 | 2,077 | 2,444 | 1,947
Allowance for credit losses: Ending Balance | 1,627 | 2,077 | 2,444 | 1,627 | 2,077 | 2,444 | 1,947
Loans receivables: Ending balance: individually evaluated | 302 | 235 | 355 | 302 | 235 | 355 | 853
Loans receivables: Ending balance: collectively evaluated | 226,838 | 240,815 | 251,490 | 226,838 | 240,815 | 251,490 | 239,017
Total Gross Loans | 227,140 | 241,050 | 251,845 | 227,140 | 241,050 | 251,845 | 239,870
Commercial & Multi-family [Member] |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Allowance for credit losses: Beginning Balance | 12,419 | 13,581 | 14,679 | 10,451 | 15,343 | 21,381 | 15,343
Allowance for credit losses: Charge-offs | (79) |  |  | (419) |  |  | (531)
Allowance for credit losses: Recoveries |  |  |  |  |  |  |
Allowance for credit losses: Provision (benefit) | (383) | (1,472) | (696) | 1,925 | (3,234) | (445) | (4,361)
Allowance for credit losses: Ending balance: individually evaluated | 3,405 | 971 |  | 3,405 | 971 |  | 1,473
Allowance for credit losses: Ending balance: collectively evaluated | 8,552 | 11,138 | 13,983 | 8,552 | 11,138 | 13,983 | 8,978
Allowance for credit losses: Ending Balance | 11,957 | 12,109 | 13,983 | 11,957 | 12,109 | 13,983 | 10,451
Loans receivables: Ending balance: individually evaluated | 105,115 | 56,869 | 21,945 | 105,115 | 56,869 | 21,945 | 64,735
Loans receivables: Ending balance: collectively evaluated | 1,974,973 | 2,148,731 | 2,327,719 | 1,974,973 | 2,148,731 | 2,327,719 | 2,091,194
Total Gross Loans | 2,080,088 | 2,205,600 | 2,349,664 | 2,080,088 | 2,205,600 | 2,349,664 | 2,155,929
Cannabis Related [Member] |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Allowance for credit losses: Beginning Balance | 14,852 | 1,910 | 509 | 1,613 | 2,344 | 402 | 2,344
Allowance for credit losses: Charge-offs | (12,756) |  |  | (12,756) |  |  |
Allowance for credit losses: Provision (benefit) | (631) | (115) | 1,331 | 12,608 | (549) | 1,583 | (731)
Allowance for credit losses: Ending balance: individually evaluated |  |  | 1,213 |  |  | 1,213 |
Allowance for credit losses: Ending balance: collectively evaluated | 1,465 | 1,795 | 627 | 1,465 | 1,795 | 627 | 1,613
Allowance for credit losses: Ending Balance | 1,465 | 1,795 | 1,840 | 1,465 | 1,795 | 1,840 | 1,613
Loans receivables: Ending balance: individually evaluated |  |  | 5,569 |  |  | 5,569 |
Loans receivables: Ending balance: collectively evaluated | 69,102 | 103,396 | 102,635 | 69,102 | 103,396 | 102,635 | 103,206
Total Gross Loans | 69,102 | 103,396 | 108,204 | 69,102 | 103,396 | 108,204 | 103,206
Construction [Member] |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Allowance for credit losses: Beginning Balance | 1,907 | 2,760 | 4,024 | 1,902 | 3,758 | 2,073 | 3,758
Allowance for credit losses: Charge-offs |  |  |  |  |  |  |
Allowance for credit losses: Recoveries |  |  |  |  |  |  |
Allowance for credit losses: Provision (benefit) | (243) | (503) | 568 | (238) | (1,501) | 1,150 | (1,856)
Allowance for credit losses: Ending balance: individually evaluated | 262 |  | 608 | 262 |  | 608 |
Allowance for credit losses: Ending balance: collectively evaluated | 1,402 | 2,257 | 3,984 | 1,402 | 2,257 | 3,984 | 1,902
Allowance for credit losses: Ending Balance | 1,664 | 2,257 | 4,592 | 1,664 | 2,257 | 4,592 | 1,902
Loans receivables: Ending balance: individually evaluated | 2,310 | 586 | 3,473 | 2,310 | 586 | 3,473 | 586
Loans receivables: Ending balance: collectively evaluated | 103,670 | 141,438 | 176,867 | 103,670 | 141,438 | 176,867 | 130,003
Total Gross Loans | 105,980 | 142,024 | 180,340 | 105,980 | 142,024 | 180,340 | 130,589
Commercial Business [Member] |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Allowance for credit losses: Beginning Balance | 8,898 | 7,851 | 5,302 | 10,497 | 4,508 | 4,482 | 4,508
Allowance for credit losses: Charge-offs | (3,453) |  |  | (5,301) | (567) | (1) | (1,799)
Allowance for credit losses: Recoveries | 2 | 22 | 5 | 6 | 27 | 30 | 371
Allowance for credit losses: Provision (benefit) | 6,667 | 754 | 1,557 | 6,912 | 4,659 | 626 | 7,417
Allowance for credit losses: Ending balance: individually evaluated | 8,129 | 2,025 | 701 | 8,129 | 2,025 | 701 | 4,725
Allowance for credit losses: Ending balance: collectively evaluated | 3,985 | 6,602 | 6,163 | 3,985 | 6,602 | 6,163 | 5,772
Allowance for credit losses: Ending Balance | 12,114 | 8,627 | 6,864 | 12,114 | 8,627 | 6,864 | 10,497
Loans receivables: Ending balance: individually evaluated | 18,355 | 4,993 | 4,064 | 18,355 | 4,993 | 4,064 | 11,163
Loans receivables: Ending balance: collectively evaluated | 174,407 | 259,752 | 257,071 | 174,407 | 259,752 | 257,071 | 231,076
Total Gross Loans | 192,762 | 264,745 | 261,135 | 192,762 | 264,745 | 261,135 | 242,239
Business Express [Member] |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Allowance for credit losses: Beginning Balance | 10,093 | 6,444 | 2,485 | 7,769 | 4,542 | 872 | 4,542
Allowance for credit losses: Charge-offs | (1,206) | (3,471) | (515) | (9,246) | (5,387) | (554) | (8,038)
Allowance for credit losses: Recoveries | 548 | 1 |  | 871 | 9 |  | 27
Allowance for credit losses: Provision (benefit) | (1,057) | 4,168 | (485) | 8,984 | 7,978 | 1,483 | 11,238
Allowance for credit losses: Ending balance: individually evaluated | 2,833 | 3,052 | 250 | 2,833 | 3,052 | 250 | 5,619
Allowance for credit losses: Ending balance: collectively evaluated | 5,545 | 4,090 | 1,235 | 5,545 | 4,090 | 1,235 | 2,150
Allowance for credit losses: Ending Balance | 8,378 | 7,142 | 1,485 | 8,378 | 7,142 | 1,485 | 7,769
Loans receivables: Ending balance: individually evaluated | 2,833 | 3,052 | 250 | 2,833 | 3,052 | 250 | 5,619
Loans receivables: Ending balance: collectively evaluated | 75,420 | 95,905 | 101,008 | 75,420 | 95,905 | 101,008 | 87,328
Total Gross Loans | 78,253 | 98,957 | 101,258 | 78,253 | 98,957 | 101,258 | 92,947
Home Equity [Member] |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Allowance for credit losses: Beginning Balance | 635 | 635 | 722 | 594 | 691 | 485 | 691
Allowance for credit losses: Charge-offs |  |  |  |  |  |  |
Allowance for credit losses: Recoveries |  |  |  |  |  | 16 |
Allowance for credit losses: Provision (benefit) | (48) | 10 | (54) | (7) | (46) | (15) | (97)
Allowance for credit losses: Ending balance: individually evaluated |  |  |  |  |  |  |
Allowance for credit losses: Ending balance: collectively evaluated | 587 | 645 | 668 | 587 | 645 | 668 | 594
Allowance for credit losses: Ending Balance | 587 | 645 | 668 | 587 | 645 | 668 | 594
Loans receivables: Ending balance: individually evaluated | 443 | 293 | 212 | 443 | 293 | 212 | 443
Loans receivables: Ending balance: collectively evaluated | 73,123 | 67,273 | 65,834 | 73,123 | 67,273 | 65,834 | 66,326
Total Gross Loans | 73,566 | 67,566 | 66,046 | 73,566 | 67,566 | 66,046 | 66,769
Consumer [Member] |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Allowance for credit losses: Beginning Balance | 17 | 23 | 31 | 16 | 78 | 24 | 78
Allowance for credit losses: Charge-offs |  |  |  |  | (446) |  | (467)
Allowance for credit losses: Recoveries |  |  |  |  |  |  |
Allowance for credit losses: Provision (benefit) | (6) | 18 | 7 | (5) | 409 | 7 | 405
Allowance for credit losses: Ending balance: individually evaluated |  | 20 |  |  | 20 |  |
Allowance for credit losses: Ending balance: collectively evaluated | 11 | 21 | 38 | 11 | 21 | 38 | 16
Allowance for credit losses: Ending Balance | 11 | 41 | 38 | 11 | 41 | 38 | 16
Loans receivables: Ending balance: individually evaluated |  | 20 |  |  | 20 |  |
Loans receivables: Ending balance: collectively evaluated | 2,042 | 2,289 | 3,647 | 2,042 | 2,289 | 3,647 | 2,235
Total Gross Loans | $ 2,042 | $ 2,309 | $ 3,647 | $ 2,042 | $ 2,309 | 3,647 | $ 2,235
Unallocated [Member] |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Allowance for credit losses: Beginning Balance |  |  |  |  |  | 180 |
Effect of Adopting ASU No. 2016-13 ("CECL") [Member] |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Allowance for credit losses: Beginning Balance |  |  |  |  |  | (4,165) |
Effect of Adopting ASU No. 2016-13 ("CECL") [Member] | Residential [Member] |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Allowance for credit losses: Beginning Balance |  |  |  |  |  | 144 |
Effect of Adopting ASU No. 2016-13 ("CECL") [Member] | Commercial & Multi-family [Member] |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Allowance for credit losses: Beginning Balance |  |  |  |  |  | (6,953) |
Effect of Adopting ASU No. 2016-13 ("CECL") [Member] | Cannabis Related [Member] |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Allowance for credit losses: Beginning Balance |  |  |  |  |  | (145) |
Effect of Adopting ASU No. 2016-13 ("CECL") [Member] | Construction [Member] |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Allowance for credit losses: Beginning Balance |  |  |  |  |  | 1,369 |
Effect of Adopting ASU No. 2016-13 ("CECL") [Member] | Commercial Business [Member] |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Allowance for credit losses: Beginning Balance |  |  |  |  |  | 1,727 |
Effect of Adopting ASU No. 2016-13 ("CECL") [Member] | Business Express [Member] |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Allowance for credit losses: Beginning Balance |  |  |  |  |  | (316) |
Effect of Adopting ASU No. 2016-13 ("CECL") [Member] | Home Equity [Member] |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Allowance for credit losses: Beginning Balance |  |  |  |  |  | 182 |
Effect of Adopting ASU No. 2016-13 ("CECL") [Member] | Consumer [Member] |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Allowance for credit losses: Beginning Balance |  |  |  |  |  | 7 |
Effect of Adopting ASU No. 2016-13 ("CECL") [Member] | Unallocated [Member] |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Allowance for credit losses: Beginning Balance |  |  |  |  |  | (180) |
Adjusted Balance [Member] |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Allowance for credit losses: Beginning Balance |  |  |  |  |  | 28,208 |
Adjusted Balance [Member] | Residential [Member] |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Allowance for credit losses: Beginning Balance |  |  |  |  |  | 2,618 |
Adjusted Balance [Member] | Commercial & Multi-family [Member] |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Allowance for credit losses: Beginning Balance |  |  |  |  |  | 14,428 |
Adjusted Balance [Member] | Cannabis Related [Member] |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Allowance for credit losses: Beginning Balance |  |  |  |  |  | 257 |
Adjusted Balance [Member] | Construction [Member] |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Allowance for credit losses: Beginning Balance |  |  |  |  |  | 3,442 |
Adjusted Balance [Member] | Commercial Business [Member] |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Allowance for credit losses: Beginning Balance |  |  |  |  |  | 6,209 |
Adjusted Balance [Member] | Business Express [Member] |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Allowance for credit losses: Beginning Balance |  |  |  |  |  | 556 |
Adjusted Balance [Member] | Home Equity [Member] |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Allowance for credit losses: Beginning Balance |  |  |  |  |  | 667 |
Adjusted Balance [Member] | Consumer [Member] |  |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |
Allowance for credit losses: Beginning Balance |  |  |  |  |  | $ 31 |

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