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FDIC-ASSISTED ACQUIRED LOANS - Impact of Adjustments of Acquired Loans on Financial Results (Details) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2021 USD ($) $ / shares | Sep. 30, 2020 USD ($) $ / shares | Sep. 30, 2021 USD ($) $ / shares | Sep. 30, 2020 USD ($) $ / shares
Details |  |  |  |
Impact of acquired loan pools on net interest income | $ 279 | $ 1,229 | $ 1,398 | $ 4,632
Impact of acquired loan pools on net interest margin (in basis points) | 2 | 9 | 3 | 12
Net impact of acquired loan pools to pre-tax income | $ 279 | $ 1,229 | $ 1,398 | $ 4,632
Net impact of acquired loan pools to net of taxes | $ 215 | $ 949 | $ 1,079 | $ 3,576
Impact of acquired loan pools to diluted earnings per common share | $ / shares | $ 0.02 | $ 0.07 | $ 0.08 | $ 0.25

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- Definition Represents the monetary amount of Impact of acquired loan pools on net interest income, during the indicated time period. + References No definition available. + Details
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