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BUSINESS COMBINATIONS - Covenant Financial Pro Forma (Details) - Covenant Financial Inc. - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
BUSINESS COMBINATIONS |  |  |  |
Merger related expenses | $ 6,402,000 |  | $ 8,879,000 |
Merger-related expenses, net of tax | 5,095,000 |  | 7,101,000 |
Merger-related expenses, including Covenant's expense |  |  | 1,353,000 |
Merger-related expenses, including Covenant's expense, net of tax |  |  | 1,111,000 |
Tax benefits excluded from pro-forma realized from stock-based compensation vested |  |  | 600,000 |
Interest income | 21,632,000 | $ 23,142,000 | 66,564,000 | $ 64,800,000
Interest expense | 3,091,000 | 4,367,000 | 10,727,000 | 10,747,000
Net interest income | 18,541,000 | 18,775,000 | 55,837,000 | 54,053,000
Provision for loan losses | 1,941,000 | 1,208,000 | 3,393,000 | 1,047,000
Net interest income after provision for loan losses | 16,600,000 | 17,567,000 | 52,444,000 | 53,006,000
Noninterest income | 6,970,000 | 5,523,000 | 18,092,000 | 15,546,000
Net gains on securities | 25,000 | 13,000 | 25,000 | 20,000
Other noninterest expenses | 14,572,000 | 14,530,000 | 45,604,000 | 46,198,000
Income before income tax provision | 9,023,000 | 8,573,000 | 24,957,000 | 22,374,000
Income tax provision | 1,605,000 | 1,511,000 | 4,610,000 | 3,886,000
Net income | $ 7,418,000 | $ 7,062,000 | $ 20,347,000 | $ 18,488,000
Earnings per common share - basic (in dollars per share) | $ 0.47 | $ 0.45 | $ 1.28 | $ 1.21
Earnings per common share - diluted (in dollars per share) | $ 0.47 | $ 0.45 | $ 1.28 | $ 1.21

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