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ALLOWANCE FOR LOAN LOSSES AND CREDIT QUALITY - Aging Of The Recorded Investment In Past Due Loans (Details) - USD ($) $ in Thousands | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Loans Not Past Due | $ 4,069,839 | $ 4,045,634
Nonaccrual | 13,883 | 18,675
Total Past Due and Nonaccural | 15,899 | 20,194
Total | 4,085,738 | 4,065,828
Financial Asset, 30 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Past Due | 1,945 | 1,474
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Past Due | 71 | 45
Other Commercial Loans |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Loans Not Past Due | 104,163 | 112,166
Nonaccrual | 0 | 0
Total Past Due and Nonaccural | 0 | 0
Total | 104,163 | 112,166
Other Commercial Loans | Financial Asset, 30 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Past Due | 0 | 0
Other Commercial Loans | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Past Due | 0 | 0
Other consumer loans |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Loans Not Past Due | 96,736 | 98,176
Nonaccrual | 0 | 17
Total Past Due and Nonaccural | 123 | 190
Total | 96,859 | 98,366
Other consumer loans | Financial Asset, 30 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Past Due | 114 | 173
Other consumer loans | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Past Due | 9 | 0
Commercial and Industrial Loans [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total | 1,428,646 | 1,426,826
Commercial and Industrial Loans [Member] | Working Capital Lines of Credit Loans [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Loans Not Past Due | 725,870 | 703,737
Nonaccrual | 4,529 | 6,236
Total Past Due and Nonaccural | 4,978 | 6,246
Total | 730,848 | 709,983
Commercial and Industrial Loans [Member] | Working Capital Lines of Credit Loans [Member] | Financial Asset, 30 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Past Due | 449 | 10
Commercial and Industrial Loans [Member] | Working Capital Lines of Credit Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Past Due | 0 | 0
Commercial and Industrial Loans [Member] | Non-working Capital Loans [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Loans Not Past Due | 693,515 | 710,557
Nonaccrual | 4,184 | 6,282
Total Past Due and Nonaccural | 4,283 | 6,286
Total | 697,798 | 716,843
Commercial and Industrial Loans [Member] | Non-working Capital Loans [Member] | Financial Asset, 30 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Past Due | 99 | 4
Commercial and Industrial Loans [Member] | Non-working Capital Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Past Due | 0 | 0
Commercial Real Estate and Multi-family Residential Loans [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total | 1,758,212 | 1,670,840
Commercial Real Estate and Multi-family Residential Loans [Member] | Construction and Land Development Loans [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Loans Not Past Due | 333,699 | 286,534
Nonaccrual | 0 | 0
Total Past Due and Nonaccural | 0 | 0
Total | 333,699 | 286,534
Commercial Real Estate and Multi-family Residential Loans [Member] | Construction and Land Development Loans [Member] | Financial Asset, 30 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Past Due | 0 | 0
Commercial Real Estate and Multi-family Residential Loans [Member] | Construction and Land Development Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Past Due | 0 | 0
Commercial Real Estate and Multi-family Residential Loans [Member] | Owner Occupied Loans [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Loans Not Past Due | 568,122 | 569,303
Nonaccrual | 3,186 | 4,056
Total Past Due and Nonaccural | 3,616 | 4,056
Total | 571,738 | 573,359
Commercial Real Estate and Multi-family Residential Loans [Member] | Owner Occupied Loans [Member] | Financial Asset, 30 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Past Due | 430 | 0
Commercial Real Estate and Multi-family Residential Loans [Member] | Owner Occupied Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Past Due | 0 | 0
Commercial Real Estate and Multi-family Residential Loans [Member] | Nonowner Occupied Loans |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Loans Not Past Due | 583,709 | 570,687
Nonaccrual | 0 | 0
Total Past Due and Nonaccural | 0 | 0
Total | 583,709 | 570,687
Commercial Real Estate and Multi-family Residential Loans [Member] | Nonowner Occupied Loans | Financial Asset, 30 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Past Due | 0 | 0
Commercial Real Estate and Multi-family Residential Loans [Member] | Nonowner Occupied Loans | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Past Due | 0 | 0
Commercial Real Estate and Multi-family Residential Loans [Member] | Multifamily Loans |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Loans Not Past Due | 269,066 | 240,260
Nonaccrual | 0 | 0
Total Past Due and Nonaccural | 0 | 0
Total | 269,066 | 240,260
Commercial Real Estate and Multi-family Residential Loans [Member] | Multifamily Loans | Financial Asset, 30 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Past Due | 0 | 0
Commercial Real Estate and Multi-family Residential Loans [Member] | Multifamily Loans | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Past Due | 0 | 0
Commercial Real Estate and Multi-family Residential Loans [Member] | Other Commercial Loans |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total |  | 573,359
Agri-business and Agricultural Loans [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total | 329,497 | 379,631
Agri-business and Agricultural Loans [Member] | Loans Secured By Farmland |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Loans Not Past Due | 145,124 | 173,959
Nonaccrual | 430 | 430
Total Past Due and Nonaccural | 430 | 430
Total | 145,554 | 174,389
Agri-business and Agricultural Loans [Member] | Loans Secured By Farmland | Financial Asset, 30 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Past Due | 0 | 0
Agri-business and Agricultural Loans [Member] | Loans Secured By Farmland | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Past Due | 0 | 0
Agri-business and Agricultural Loans [Member] | Loans For Agricultural Production |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Loans Not Past Due | 183,943 | 205,228
Nonaccrual | 0 | 14
Total Past Due and Nonaccural | 0 | 14
Total | 183,943 | 205,242
Agri-business and Agricultural Loans [Member] | Loans For Agricultural Production | Financial Asset, 30 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Past Due | 0 | 0
Agri-business and Agricultural Loans [Member] | Loans For Agricultural Production | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Past Due | 0 | 0
Agri-business and Agricultural Loans [Member] | Other Commercial Loans |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total | 104,163 | 112,166
Consumer 1-4 Family Mortgage Loans [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total | 368,361 | 377,999
Consumer 1-4 Family Mortgage Loans [Member] | Other Commercial Loans |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total | 96,859 | 98,366
Consumer 1-4 Family Mortgage Loans [Member] | Closed End First Mortgage Loans [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Loans Not Past Due | 171,452 | 174,902
Nonaccrual | 819 | 827
Total Past Due and Nonaccural | 1,623 | 1,971
Total | 173,075 | 176,873
Consumer 1-4 Family Mortgage Loans [Member] | Closed End First Mortgage Loans [Member] | Financial Asset, 30 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Past Due | 785 | 1,099
Consumer 1-4 Family Mortgage Loans [Member] | Closed End First Mortgage Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Past Due | 19 | 45
Consumer 1-4 Family Mortgage Loans [Member] | Home Equity Mortgage Open Ended Revolving Lines [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Loans Not Past Due | 182,388 | 187,255
Nonaccrual | 683 | 761
Total Past Due and Nonaccural | 792 | 949
Total | 183,180 | 188,204
Consumer 1-4 Family Mortgage Loans [Member] | Home Equity Mortgage Open Ended Revolving Lines [Member] | Financial Asset, 30 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Past Due | 66 | 188
Consumer 1-4 Family Mortgage Loans [Member] | Home Equity Mortgage Open Ended Revolving Lines [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Past Due | 43 | 0
Consumer 1-4 Family Mortgage Loans [Member] | Residential Construction and Land Development Loans [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Loans Not Past Due | 12,052 | 12,870
Nonaccrual | 52 | 52
Total Past Due and Nonaccural | 54 | 52
Total | 12,106 | 12,922
Consumer 1-4 Family Mortgage Loans [Member] | Residential Construction and Land Development Loans [Member] | Financial Asset, 30 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Past Due | 2 | 0
Consumer 1-4 Family Mortgage Loans [Member] | Residential Construction and Land Development Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Past Due | $ 0 | $ 0

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