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Related Party Transactions - Additional Information (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 USD ($) facility | Dec. 31, 2021 USD ($) facility
Related Party Transaction [Line Items] |  |
Related party deposits held | $ 5,500 | $ 4,500
Number of facilities under lease | facility | 1 | 1
Operating lease rental expense | $ 1,400 | $ 1,400
Payments for legal services | 864 | 816
Everett Branch Facility |  |
Related Party Transaction [Line Items] |  |
Operating monthly rental payments | 46 |
Operating lease rental expense | $ 546 | $ 546

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- Definition Number of facilities under lease. + References No definition available. + Details
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Balance Type: | na
Period Type: | duration

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- Definition Operating lease monthly rental payments. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Amount of operating lease expense. Excludes sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 4 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918638-209977 + Details
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Period Type: | duration

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- Definition The amount of cash paid for the settlement of litigation or for other legal issues during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3536-108585 + Details
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- Definition Amount of deposits held by the entity for a related party (entity, shareholder, employee). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(k)(1)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Balance Type: | na
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- Details
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Namespace Prefix: |
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