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SUMMARY OF QUARTERLY CONSOLIDATED FINANCIAL DATA (Unaudited) - Quarterly Financial Data (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2021 | Sep. 30, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2021 | Dec. 31, 2020
SUMMARY OF QUARTERLY CONSOLIDATED FINANCIAL DATA |  |  |  |  |  |  |  |  |  |
Interest income | $ 21,246,000 | $ 21,073,000 | $ 20,428,000 | $ 21,754,000 | $ 21,859,000 | $ 21,751,000 | $ 16,513,000 | $ 17,037,000 | $ 84,501,000 | $ 77,160,000
Interest expense | 1,530,000 | 1,614,000 | 1,747,000 | 1,671,000 | 2,104,000 | 2,469,000 | 2,267,000 | 2,755,000 | 6,562,000 | 9,595,000
Net interest income | 19,716,000 | 19,459,000 | 18,681,000 | 20,083,000 | 19,755,000 | 19,282,000 | 14,246,000 | 14,282,000 | 77,939,000 | 67,565,000
Provision (credit) for loan losses | 1,128,000 | 1,530,000 | 744,000 | 259,000 | 620,000 | 1,941,000 | (176,000) | 1,528,000 | 3,661,000 | 3,913,000
Net interest income after provision (credit) for loan losses | 18,588,000 | 17,929,000 | 17,937,000 | 19,824,000 | 19,135,000 | 17,341,000 | 14,422,000 | 12,754,000 | 74,278,000 | 63,652,000
Other income | 6,416,000 | 6,359,000 | 6,300,000 | 6,782,000 | 6,565,000 | 6,970,000 | 5,528,000 | 5,281,000 | 25,857,000 | 24,344,000
Net gains on available-for-sale debt securities | (1,000) | 23,000 | 2,000 | 0 | 144,000 | 25,000 | 0 | 0 | 24,000 | 169,000
Loss on prepayment of borrowings |  |  |  |  | 1,636,000 | 0 | 0 | 0 |  |
Merger-related expenses |  |  |  |  | 182,000 | 6,402,000 | 983,000 | 141,000 | 0 | 7,708,000
Other expenses | 16,018,000 | 15,346,000 | 15,399,000 | 15,709,000 | 15,775,000 | 14,648,000 | 12,274,000 | 12,912,000 |  |
Income before income tax provision | 8,985,000 | 8,965,000 | 8,840,000 | 10,897,000 | 8,251,000 | 3,286,000 | 6,693,000 | 4,982,000 | 37,687,000 | 23,212,000
Income tax provision | 1,677,000 | 1,566,000 | 1,780,000 | 2,110,000 | 1,481,000 | 438,000 | 1,255,000 | 816,000 | 7,133,000 | 3,990,000
Net income | 7,308,000 | 7,399,000 | 7,060,000 | 8,787,000 | 6,770,000 | 2,848,000 | 5,438,000 | 4,166,000 | 30,554,000 | 19,222,000
Net income attributable to common shares | $ 7,256,000 | $ 7,336,000 | $ 6,999,000 | $ 8,722,000 | $ 6,727,000 | $ 2,830,000 | $ 5,405,000 | $ 4,146,000 | $ 30,313,000 | $ 19,106,000
Net income per share - basic (in dollars per share) | $ 0.46 | $ 0.47 | $ 0.44 | $ 0.55 | $ 0.43 | $ 0.18 | $ 0.39 | $ 0.30 | $ 1.92 | $ 1.30
Net income per share - diluted (in dollars per share) | $ 0.46 | $ 0.47 | $ 0.44 | $ 0.55 | $ 0.43 | $ 0.18 | $ 0.39 | $ 0.30 | $ 1.92 | $ 1.30

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