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Loans Receivable and Allowance for Credit Losses - Individually Evaluated for Impairment (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Mar. 31, 2023 | Dec. 31, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | --- | --- | --- | --- | ---
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Allowance for credit loss | $ 16,858 | $ 17,801 | $ 10,310 | $ 9,929 | $ 9,737 | $ 9,905
Business Activities Loans |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Individually evaluated for impairment | 7,302 |  | 6,043 |  |  |
Allowance for credit losses, collectively evaluated for impairment | 9,556 |  | 4,267 |  |  |
Allowance for credit loss | 16,858 |  | 10,310 |  |  |
Individually evaluated for impairment | 20,305 |  | 18,916 |  |  |
Collectively evaluated for impairment, amount | 910,429 |  | 829,400 |  |  |
Loans receivable, gross | 930,734 |  | 848,316 |  |  |
Commercial Real Estate |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Allowance for credit loss | 10,039 | 9,809 | 6,966 | 4,980 | 4,889 | 5,063
Commercial Real Estate | Business Activities Loans |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Individually evaluated for impairment | 6,387 |  | 5,430 |  |  |
Allowance for credit losses, collectively evaluated for impairment | 3,652 |  | 1,536 |  |  |
Allowance for credit loss | 10,039 |  | 6,966 |  |  |
Individually evaluated for impairment | 11,368 |  | 11,241 |  |  |
Collectively evaluated for impairment, amount | 500,287 |  | 426,202 |  |  |
Loans receivable, gross | 511,655 |  | 437,443 |  |  |
Residential Real Estate |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Allowance for credit loss | 1,027 | 853 | 665 | 1,395 | 1,512 | 1,700
Residential Real Estate | Business Activities Loans |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Individually evaluated for impairment | 196 |  | 5 |  |  |
Allowance for credit losses, collectively evaluated for impairment | 831 |  | 660 |  |  |
Allowance for credit loss | 1,027 |  | 665 |  |  |
Individually evaluated for impairment | 2,355 |  | 2,508 |  |  |
Collectively evaluated for impairment, amount | 114,099 |  | 121,632 |  |  |
Loans receivable, gross | 116,454 |  | 124,140 |  |  |
Commercial and Industrial |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Allowance for credit loss | 1,673 | 1,799 | 1,403 | 2,316 | 2,860 | 2,532
Commercial and Industrial | Business Activities Loans |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Individually evaluated for impairment | 719 |  | 608 |  |  |
Allowance for credit losses, collectively evaluated for impairment | 954 |  | 795 |  |  |
Allowance for credit loss | 1,673 |  | 1,403 |  |  |
Individually evaluated for impairment | 6,582 |  | 4,653 |  |  |
Collectively evaluated for impairment, amount | 164,992 |  | 134,134 |  |  |
Loans receivable, gross | 171,574 |  | 138,787 |  |  |
Consumer and Other |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Allowance for credit loss | 4,035 | 5,272 | 1,207 | 1,063 | 319 | 253
Consumer and Other | Business Activities Loans |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Individually evaluated for impairment | 0 |  | 0 |  |  |
Allowance for credit losses, collectively evaluated for impairment | 4,035 |  | 1,207 |  |  |
Allowance for credit loss | 4,035 |  | 1,207 |  |  |
Individually evaluated for impairment | 0 |  | 514 |  |  |
Collectively evaluated for impairment, amount | 123,063 |  | 140,577 |  |  |
Loans receivable, gross | 123,063 |  | 141,091 |  |  |
Construction |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Allowance for credit loss | 33 | 21 | 24 | 58 | 56 | 78
Construction | Business Activities Loans |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Individually evaluated for impairment | 0 |  | 0 |  |  |
Allowance for credit losses, collectively evaluated for impairment | 33 |  | 24 |  |  |
Allowance for credit loss | 33 |  | 24 |  |  |
Individually evaluated for impairment | 0 |  | 0 |  |  |
Collectively evaluated for impairment, amount | 5,525 |  | 4,922 |  |  |
Loans receivable, gross | 5,525 |  | 4,922 |  |  |
Construction to Permanent - CRE |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Allowance for credit loss | 51 | 47 | 10 | 15 | 9 | 41
Construction to Permanent - CRE | Business Activities Loans |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Individually evaluated for impairment | 0 |  | 0 |  |  |
Allowance for credit losses, collectively evaluated for impairment | 51 |  | 10 |  |  |
Allowance for credit loss | 51 |  | 10 |  |  |
Individually evaluated for impairment | 0 |  | 0 |  |  |
Collectively evaluated for impairment, amount | 2,463 |  | 1,933 |  |  |
Loans receivable, gross | 2,463 |  | 1,933 |  |  |
Unallocated |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Allowance for credit loss | 0 | $ 0 | 35 | $ 102 | $ 92 | $ 238
Unallocated | Business Activities Loans |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |  |  |
Individually evaluated for impairment | 0 |  | 0 |  |  |
Allowance for credit losses, collectively evaluated for impairment | 0 |  | 35 |  |  |
Allowance for credit loss | 0 |  | 35 |  |  |
Individually evaluated for impairment | 0 |  | 0 |  |  |
Collectively evaluated for impairment, amount | 0 |  | 0 |  |  |
Loans receivable, gross | $ 0 |  | $ 0 |  |  |

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