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Loans Receivable and Allowance for Credit Losses - Individually Evaluated for Impairment (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023 | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | --- | --- | ---
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Allowance for credit loss | $ 13,777 | $ 15,925 | $ 24,780 | $ 10,310
Business Activities Loans |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Individually evaluated loans | 3,344 | 4,205 |  |
Allowance for credit losses, collectively evaluated for impairment | 10,433 | 11,720 |  |
Allowance for credit loss | 13,777 | 15,925 |  |
Individually evaluated loans | 22,513 | 17,133 |  |
Collectively evaluated for impairment, amount | 787,810 | 831,726 |  |
Loans receivable, gross | 810,323 | 848,859 |  |
Commercial Real Estate |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Allowance for credit loss | 5,620 | 6,089 | 9,809 | 6,966
Commercial Real Estate | Business Activities Loans |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Individually evaluated loans | 3,321 | 3,813 |  |
Allowance for credit losses, collectively evaluated for impairment | 2,299 | 2,276 |  |
Allowance for credit loss | 5,620 | 6,089 |  |
Individually evaluated loans | 15,914 | 12,775 |  |
Collectively evaluated for impairment, amount | 446,633 | 459,318 |  |
Loans receivable, gross | 462,547 | 472,093 |  |
Residential Real Estate |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Allowance for credit loss | 671 | 607 | 853 | 665
Residential Real Estate | Business Activities Loans |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Individually evaluated loans | 0 | 0 |  |
Allowance for credit losses, collectively evaluated for impairment | 671 | 607 |  |
Allowance for credit loss | 671 | 607 |  |
Individually evaluated loans | 0 | 0 |  |
Collectively evaluated for impairment, amount | 102,881 | 106,783 |  |
Loans receivable, gross | 102,881 | 106,783 |  |
Commercial and Industrial |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Allowance for credit loss | 1,199 | 1,269 | 1,799 | 1,403
Commercial and Industrial | Business Activities Loans |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Individually evaluated loans | 23 | 392 |  |
Allowance for credit losses, collectively evaluated for impairment | 1,176 | 877 |  |
Allowance for credit loss | 1,199 | 1,269 |  |
Individually evaluated loans | 3,706 | 3,904 |  |
Collectively evaluated for impairment, amount | 144,714 | 159,661 |  |
Loans receivable, gross | 148,420 | 163,565 |  |
Consumer and Other |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Allowance for credit loss | 6,280 | 7,843 | 12,251 | 1,207
Consumer and Other | Business Activities Loans |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Individually evaluated loans | 0 | 0 |  |
Allowance for credit losses, collectively evaluated for impairment | 6,280 | 7,843 |  |
Allowance for credit loss | 6,280 | 7,843 |  |
Individually evaluated loans | 0 | 0 |  |
Collectively evaluated for impairment, amount | 89,772 | 99,688 |  |
Loans receivable, gross | 89,772 | 99,688 |  |
Construction |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Allowance for credit loss | 7 | 4 | 21 | 24
Construction | Business Activities Loans |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Individually evaluated loans | 0 | 0 |  |
Allowance for credit losses, collectively evaluated for impairment | 7 | 4 |  |
Allowance for credit loss | 7 | 4 |  |
Individually evaluated loans | 429 | 454 |  |
Collectively evaluated for impairment, amount | 3,810 | 3,812 |  |
Loans receivable, gross | 4,239 | 4,266 |  |
Construction to Permanent - CRE |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Allowance for credit loss | 0 | 113 | 47 | 10
Construction to Permanent - CRE | Business Activities Loans |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Individually evaluated loans | 0 | 0 |  |
Allowance for credit losses, collectively evaluated for impairment | 0 | 113 |  |
Allowance for credit loss | 0 | 113 |  |
Individually evaluated loans | 2,464 | 0 |  |
Collectively evaluated for impairment, amount | 0 | 2,464 |  |
Loans receivable, gross | 2,464 | 2,464 |  |
Unallocated |  |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |  |
Allowance for credit loss | $ 0 | $ 0 | $ 0 | $ 35

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- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479344/326-20-45-1 + Details
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