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Summary of Significant Accounting Policies (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 USD ($) segment item | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Jan. 16, 2024 $ / shares
Number of banking centres | item | 48 |  |  |
Operating segment | segment | 1 |  |  |
Reportable Segment | segment | 1 |  |  |
Deferred tax assets | $ 24,040,000 | $ 23,599,000 |  |
Period from due date after which accrual of interest income is discontinued | 90 days |  |  |
Goodwill and Core Deposit Intangible |  |  |  |
Amortization of core deposit intangibles | $ 2,461,000 | 2,626,000 | $ 644,000 |
90-Days or Greater Past Due Loans |  |  |  |
Percentage of forfeiture assumption for group grant | 5.00% |  |  |
Core Deposits |  |  |  |
Goodwill and Core Deposit Intangible |  |  |  |
Carrying value of the intangible asset | $ 11,200,000 | 13,700,000 |  |
Amortization of core deposit intangibles | 2,500,000 | $ 2,600,000 | $ 644,000 |
Expected future annual amortization expense: |  |  |  |
Estimated future amortization expense for the core deposit intangible for the year ending December 31, 2024 | 2,300,000 |  |  |
Estimated future amortization expense for the core deposit intangible for the year ending December 31, 2025 | 2,100,000 |  |  |
Estimated future amortization expense for the core deposit intangible for the year ending December 31, 2026 | 1,800,000 |  |  |
Estimated future amortization expense for the core deposit intangible for the year ending December 31, 2027 | 1,600,000 |  |  |
Estimated future amortization expense for the core deposit intangible for the year ending December 31, 2028 | $ 1,300,000 |  |  |
GCFC/ABC Bank | Core Deposits |  |  |  |
Goodwill and Core Deposit Intangible |  |  |  |
Useful life (in years) | 10 years |  |  |
Subsequent Event |  |  |  |
90-Days or Greater Past Due Loans |  |  |  |
Cash dividend declared (per share) | $ / shares |  |  |  | $ 0.05

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