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Fair Value of Assets and Liabilities - Additional Information (Details) - USD ($) | 6 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022 | Dec. 31, 2021
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |
Allowance for Credit Losses | $ 249,000 |  |  |
Other real estate owned | 3,978,000 |  | $ 4,261,000 |
Mortgage servicing rights (MSR) impairment (recovery) | 0 |  |  |
Mortgage Servicing Rights |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |
Finite-lived intangible assets, net | 299,000 | $ 389,000 | 331,000 | $ 420,000
Mortgage servicing rights (MSR) impairment (recovery) | 0 | $ 107,000 | $ 108,000 |
Fair Value, Nonrecurring |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |
Carrying amount of loans with a specific allowance | 1,400,000 |  |  |
Fair value of loans with a specific allowance | 1,100,000 |  |  |
Allowance for Credit Losses | 300,000 |  |  |
Fair Value, Nonrecurring | Mortgage Servicing Rights |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |
Indefinite-lived contractual rights | 300,000 |  |  |
Finite-lived intangible assets, net | 600,000 |  |  |
Fair Value, Nonrecurring | Carrying Amount |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |
Other real estate owned | 4,000,000 |  |  |
Fair Value, Nonrecurring | Fair Value |  |  |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |  |  |
Other real estate owned | $ 14,000 |  |  |

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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 926 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483154/926-20-50-5 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-2 + Details
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