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ALLOWANCE FOR LOAN LOSSES AND CREDIT QUALITY (Aging Of The Recorded Investment In Past Due Loans) (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Loans Not Past Due | $ 3,897,455 | $ 3,799,432
30 to 89 Days Past Due | 10,025 | 9,619
Nonaccrual | 7,265 | 9,402
Total Past Due | 0 | 6
Total Past Due and Nonaccural | 17,290 | 19,027
Total | 3,914,745 | 3,818,459
Commercial and Industrial Loans [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total | 1,405,338 | 1,418,627
Commercial and Industrial Loans [Member] | Working Capital Lines Of Credit Loans [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Loans Not Past Due | 684,191 | 742,205
30 to 89 Days Past Due | 4,328 | 11
Nonaccrual | 2,245 | 1,459
Total Past Due and Nonaccural | 6,573 | 1,470
Total | 690,764 | 743,675
Commercial and Industrial Loans [Member] | Working Capital Lines Of Credit Loans [Member] | Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total Past Due | 0 | 0
Commercial and Industrial Loans [Member] | Non-working Capital Loans [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Loans Not Past Due | 709,629 | 671,490
30 to 89 Days Past Due | 3,368 | 0
Nonaccrual | 1,577 | 3,462
Total Past Due and Nonaccural | 4,945 | 3,462
Total | 714,574 | 674,952
Commercial and Industrial Loans [Member] | Non-working Capital Loans [Member] | Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total Past Due | 0 | 0
Commercial Real Estate and Multi-Family Residential Loans [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total | 1,567,165 | 1,443,021
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 | 265,544 | 215,713
30 to 89 Days Past Due | 0 | 8,000
Nonaccrual | 0 | 0
Total Past Due and Nonaccural | 0 | 8,000
Total | 265,544 | 223,713
Commercial Real Estate and Multi-Family Residential Loans [Member] | Construction and Land Development Loans [Member] | Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total 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 | 583,214 | 534,648
30 to 89 Days Past Due | 486 | 0
Nonaccrual | 2,269 | 3,620
Total Past Due and Nonaccural | 2,755 | 3,620
Total | 585,969 | 538,268
Commercial Real Estate and Multi-Family Residential Loans [Member] | Owner Occupied Loans [Member] | Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total Past Due | 0 | 0
Commercial Real Estate and Multi-Family Residential Loans [Member] | Nonowner Occupied Loans [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Loans Not Past Due | 520,431 | 507,696
30 to 89 Days Past Due | 57 | 0
Nonaccrual | 0 | 0
Total Past Due and Nonaccural | 57 | 0
Total | 520,488 | 507,696
Commercial Real Estate and Multi-Family Residential Loans [Member] | Nonowner Occupied Loans [Member] | Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total Past Due | 0 | 0
Commercial Real Estate and Multi-Family Residential Loans [Member] | Multifamily Loans [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Loans Not Past Due | 195,164 | 173,100
30 to 89 Days Past Due | 0 | 244
Nonaccrual | 0 | 0
Total Past Due and Nonaccural | 0 | 244
Total | 195,164 | 173,344
Commercial Real Estate and Multi-Family Residential Loans [Member] | Multifamily Loans [Member] | Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total Past Due | 0 | 0
Agri-business and Agricultural Loans [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total | 370,607 | 382,926
Agri-business and Agricultural Loans [Member] | Loans Secured By Farmland [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Loans Not Past Due | 177,080 | 186,160
30 to 89 Days Past Due | 150 | 0
Nonaccrual | 283 | 283
Total Past Due and Nonaccural | 433 | 283
Total | 177,513 | 186,443
Agri-business and Agricultural Loans [Member] | Loans Secured By Farmland [Member] | Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total Past Due | 0 | 0
Agri-business and Agricultural Loans [Member] | Loans For Agricultural Production [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Loans Not Past Due | 193,094 | 196,483
30 to 89 Days Past Due | 0 | 0
Nonaccrual | 0 | 0
Total Past Due and Nonaccural | 0 | 0
Total | 193,094 | 196,483
Agri-business and Agricultural Loans [Member] | Loans For Agricultural Production [Member] | Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total Past Due | 0 | 0
Agri-business and Agricultural Loans [Member] | Other Commercial Loans [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Loans Not Past Due | 95,520 | 123,922
30 to 89 Days Past Due | 0 | 0
Nonaccrual | 0 | 0
Total Past Due and Nonaccural | 0 | 0
Total | 95,520 | 123,922
Agri-business and Agricultural Loans [Member] | Other Commercial Loans [Member] | Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total Past Due | 0 | 0
Consumer 1-4 Family Mortgage Loans [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total | 390,293 | 375,769
Consumer 1-4 Family Mortgage Loans [Member] | Closed End First Mortgage Loans [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Loans Not Past Due | 183,420 | 177,410
30 to 89 Days Past Due | 1,370 | 1,183
Nonaccrual | 671 | 342
Total Past Due | 0 | 6
Total Past Due and Nonaccural | 2,041 | 1,531
Total | 185,461 | 178,941
Consumer 1-4 Family Mortgage Loans [Member] | Open End and Junior Lien Loans [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Loans Not Past Due | 188,320 | 183,056
30 to 89 Days Past Due | 98 | 89
Nonaccrual | 220 | 236
Total Past Due and Nonaccural | 318 | 325
Total | 188,638 | 183,381
Consumer 1-4 Family Mortgage Loans [Member] | Open End and Junior Lien Loans [Member] | Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total Past Due | 0 | 0
Consumer 1-4 Family Mortgage Loans [Member] | Residential Construction Loans [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Loans Not Past Due | 16,194 | 13,447
30 to 89 Days Past Due | 0 | 0
Nonaccrual | 0 | 0
Total Past Due and Nonaccural | 0 | 0
Total | 16,194 | 13,447
Consumer 1-4 Family Mortgage Loans [Member] | Residential Construction Loans [Member] | Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total Past Due | 0 | 0
Consumer 1-4 Family Mortgage Loans [Member] | Other consumer loans [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Loans Not Past Due | 85,654 | 74,102
30 to 89 Days Past Due | 168 | 92
Nonaccrual | 0 | 0
Total Past Due and Nonaccural | 168 | 92
Total | 85,822 | 74,194
Consumer 1-4 Family Mortgage Loans [Member] | Other consumer loans [Member] | Greater than 90 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Aging [Abstract] |  |
Total Past Due | $ 0 | $ 0

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