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Business Combination and Asset Purchase - Schedule of Pro-forma Results (Detail) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Summary of Operations |  |  |  |
Net Interest Income - Before Provision for Credit Losses | $ 19,662 | $ 24,060 | $ 61,462 | $ 68,123
Provision for Credit Losses | 384 | 1,637 | 1,215 | 3,758
Net Interest Income After Provision for Credit Losses | 19,278 | 22,423 | 60,247 | 64,365
Noninterest Income | 3,664 | 2,037 | 12,113 | 9,958
Noninterest Expense | 17,044 | 14,235 | 50,697 | 43,074
Income Before Income Taxes | 5,898 | 10,225 | 21,663 | 31,249
Income Taxes | 1,121 | 1,942 | 4,272 | 6,035
Net Income | $ 4,777 | $ 8,283 | $ 17,391 | $ 25,214
Basic Earnings Per Share | $ 0.35 | $ 0.61 | $ 1.28 | $ 1.86
Diluted Earnings Per Share | $ 0.35 | $ 0.61 | $ 1.28 | $ 1.86

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