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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
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Summary of Operations |  |  |  |
Net Interest Income - Before Provision for Loan Losses | $ 18,450 | $ 15,909 | $ 50,482 | $ 46,387
Provision for Loan Losses | 659 | 1,988 | 3,001 | 4,989
Net Interest Income After Provision for Loan Losses | 17,791 | 13,921 | 47,481 | 41,398
Noninterest Income | 4,074 | 4,814 | 13,302 | 11,363
Noninterest Expense | 12,880 | 13,062 | 38,010 | 35,666
Income Before Income Taxes | 8,985 | 5,673 | 22,773 | 17,095
Income Taxes | 1,892 | 1,093 | 4,566 | 3,273
Net Income | $ 7,093 | $ 4,580 | $ 18,207 | $ 13,822
Basic and Diluted Earnings Per Share | $ 0.63 | $ 0.41 | $ 1.63 | $ 1.24

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