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ALLOWANCE FOR LOAN LOSSES AND CREDIT QUALITY - Balance In The Allowance For Loan Losses And The Recorded Investment In Loans By Portfolio Management (Details) - USD ($) $ in Thousands | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | --- | --- | --- | --- | ---
Ending allowance balance attributable to loans: |  |  |  |  |  |
Individually evaluated for impairment | $ 8,177 |  | $ 10,384 |  |  |
Collectively evaluated for impairment | 50,842 |  | 40,268 |  |  |
Total ending allowance balance | 59,019 | $ 53,609 | 50,652 | $ 50,564 | $ 49,562 | $ 48,453
Loans: |  |  |  |  |  |
Loans individually evaluated for impairment | 24,008 |  | 27,829 |  |  |
Loans collectively evaluated for impairment | 4,466,524 |  | 4,037,999 |  |  |
Total ending loans balance | 4,490,532 |  | 4,065,828 |  |  |
Commercial and Industrial Loans [Member] |  |  |  |  |  |
Ending allowance balance attributable to loans: |  |  |  |  |  |
Individually evaluated for impairment | 6,384 |  | 9,324 |  |  |
Collectively evaluated for impairment | 20,360 |  | 16,465 |  |  |
Total ending allowance balance | 26,744 | 24,739 | 25,789 | 25,024 | 24,030 | 22,518
Loans: |  |  |  |  |  |
Loans individually evaluated for impairment | 14,870 |  | 19,580 |  |  |
Loans collectively evaluated for impairment | 1,778,929 |  | 1,407,246 |  |  |
Total ending loans balance | 1,793,799 |  | 1,426,826 |  |  |
Commercial Real Estate and Multi-family Residential Loans [Member] |  |  |  |  |  |
Ending allowance balance attributable to loans: |  |  |  |  |  |
Individually evaluated for impairment | 1,318 |  | 538 |  |  |
Collectively evaluated for impairment | 19,745 |  | 15,258 |  |  |
Total ending allowance balance | 21,063 | 18,658 | 15,796 | 15,492 | 15,447 | 15,393
Loans: |  |  |  |  |  |
Loans individually evaluated for impairment | 6,093 |  | 4,998 |  |  |
Loans collectively evaluated for impairment | 1,772,848 |  | 1,665,842 |  |  |
Total ending loans balance | 1,778,941 |  | 1,670,840 |  |  |
Agri-business and Agricultural Loans [Member] |  |  |  |  |  |
Ending allowance balance attributable to loans: |  |  |  |  |  |
Individually evaluated for impairment | 64 |  | 90 |  |  |
Collectively evaluated for impairment | 3,344 |  | 3,779 |  |  |
Total ending allowance balance | 3,408 | 3,704 | 3,869 | 3,906 | 4,146 | 4,305
Loans: |  |  |  |  |  |
Loans individually evaluated for impairment | 430 |  | 445 |  |  |
Loans collectively evaluated for impairment | 351,641 |  | 379,186 |  |  |
Total ending loans balance | 352,071 |  | 379,631 |  |  |
Other Commercial |  |  |  |  |  |
Ending allowance balance attributable to loans: |  |  |  |  |  |
Individually evaluated for impairment | 0 |  | 0 |  |  |
Collectively evaluated for impairment | 542 |  | 447 |  |  |
Total ending allowance balance | 542 | 521 | 447 | 355 | 373 | 368
Loans: |  |  |  |  |  |
Loans individually evaluated for impairment | 0 |  | 0 |  |  |
Loans collectively evaluated for impairment | 110,712 |  | 112,166 |  |  |
Total ending loans balance | 110,712 |  | 112,166 |  |  |
Consumer 14 family mortgage loans |  |  |  |  |  |
Ending allowance balance attributable to loans: |  |  |  |  |  |
Individually evaluated for impairment | 411 |  | 426 |  |  |
Collectively evaluated for impairment | 3,023 |  | 1,660 |  |  |
Total ending allowance balance | 3,434 | 2,475 | 2,086 | 2,153 | 2,266 | 2,292
Loans: |  |  |  |  |  |
Loans individually evaluated for impairment | 2,615 |  | 2,789 |  |  |
Loans collectively evaluated for impairment | 353,963 |  | 375,210 |  |  |
Total ending loans balance | 356,578 |  | 377,999 |  |  |
Other Consumer |  |  |  |  |  |
Ending allowance balance attributable to loans: |  |  |  |  |  |
Individually evaluated for impairment | 0 |  | 6 |  |  |
Collectively evaluated for impairment | 774 |  | 339 |  |  |
Total ending allowance balance | 774 | 447 | 345 | 289 | 291 | 283
Loans: |  |  |  |  |  |
Loans individually evaluated for impairment | 0 |  | 17 |  |  |
Loans collectively evaluated for impairment | 98,431 |  | 98,349 |  |  |
Total ending loans balance | 98,431 |  | 98,366 |  |  |
Unallocated |  |  |  |  |  |
Ending allowance balance attributable to loans: |  |  |  |  |  |
Individually evaluated for impairment | 0 |  | 0 |  |  |
Collectively evaluated for impairment | 3,054 |  | 2,320 |  |  |
Total ending allowance balance | 3,054 | $ 3,065 | 2,320 | $ 3,345 | $ 3,009 | $ 3,294
Loans: |  |  |  |  |  |
Loans individually evaluated for impairment | 0 |  | 0 |  |  |
Loans collectively evaluated for impairment | 0 |  | 0 |  |  |
Total ending loans balance | $ 0 |  | $ 0 |  |  |

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