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LOANS AND ALLOWANCE FOR LOAN LOSSES (Loan Aging Analysis by Portfolio Segment) (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019 | Sep. 30, 2019
--- | --- | --- | ---
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | $ 12,958 | $ 12,089 |
Current | 3,261,884 | 3,082,934 |
Total Loans Outstanding | 3,274,842 | 3,095,023 | $ 3,110,634
Loans 90 Days Past Due and Accruing | 0 | 0 |
Non-Accrual Loans | 8,199 | 8,156 |
SBA PPP Portfolio Segment |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 0 | 0 |
Current | 223,838 | 0 |
Total Loans Outstanding | 223,838 | 0 | 0
Loans 90 Days Past Due and Accruing | 0 | 0 |
Non-Accrual Loans | 0 | 0 |
Residential Real Estate |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 5,180 | 5,522 |
Current | 1,038,923 | 1,064,852 |
Total Loans Outstanding | 1,044,103 | 1,070,374 | 1,061,898
Loans 90 Days Past Due and Accruing | 0 | 0 |
Non-Accrual Loans | 4,017 | 4,096 |
Commercial Real Estate |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 2,407 | 2,531 |
Current | 1,331,326 | 1,240,866 |
Total Loans Outstanding | 1,333,733 | 1,243,397 | 1,255,519
Loans 90 Days Past Due and Accruing | 0 | 0 |
Non-Accrual Loans | 565 | 1,122 |
Commercial |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 1,920 | 965 |
Current | 358,709 | 420,143 |
Total Loans Outstanding | 360,629 | 421,108 | 421,754
Loans 90 Days Past Due and Accruing | 0 | 0 |
Non-Accrual Loans | 605 | 420 |
Home Equity |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 2,578 | 2,378 |
Current | 272,165 | 310,401 |
Total Loans Outstanding | 274,743 | 312,779 | 323,564
Loans 90 Days Past Due and Accruing | 0 | 0 |
Non-Accrual Loans | 2,499 | 2,130 |
Consumer |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 108 | 162 |
Current | 22,769 | 25,610 |
Total Loans Outstanding | 22,877 | 25,772 | 24,187
Loans 90 Days Past Due and Accruing | 0 | 0 |
Non-Accrual Loans | 4 | 24 |
HPFC Portfolio Segment |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 765 | 531 |
Current | 14,154 | 21,062 |
Total Loans Outstanding | 14,919 | 21,593 | $ 23,712
Loans 90 Days Past Due and Accruing | 0 | 0 |
Non-Accrual Loans | 509 | 364 |
30-59 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 3,670 | 3,901 |
30-59 Days Past Due | SBA PPP Portfolio Segment |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 0 | 0 |
30-59 Days Past Due | Residential Real Estate |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 1,036 | 2,297 |
30-59 Days Past Due | Commercial Real Estate |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 671 | 267 |
30-59 Days Past Due | Commercial |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 1,315 | 548 |
30-59 Days Past Due | Home Equity |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 367 | 681 |
30-59 Days Past Due | Consumer |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 48 | 108 |
30-59 Days Past Due | HPFC Portfolio Segment |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 233 | 0 |
60-89 Days Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 2,658 | 2,859 |
60-89 Days Past Due | SBA PPP Portfolio Segment |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 0 | 0 |
60-89 Days Past Due | Residential Real Estate |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 775 | 627 |
60-89 Days Past Due | Commercial Real Estate |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 1,490 | 1,720 |
60-89 Days Past Due | Commercial |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 0 | 0 |
60-89 Days Past Due | Home Equity |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 109 | 238 |
60-89 Days Past Due | Consumer |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 56 | 31 |
60-89 Days Past Due | HPFC Portfolio Segment |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 228 | 243 |
90 Days or Greater Past Due |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 6,630 | 5,329 |
90 Days or Greater Past Due | SBA PPP Portfolio Segment |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 0 | 0 |
90 Days or Greater Past Due | Residential Real Estate |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 3,369 | 2,598 |
90 Days or Greater Past Due | Commercial Real Estate |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 246 | 544 |
90 Days or Greater Past Due | Commercial |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 605 | 417 |
90 Days or Greater Past Due | Home Equity |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 2,102 | 1,459 |
90 Days or Greater Past Due | Consumer |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | 4 | 23 |
90 Days or Greater Past Due | HPFC Portfolio Segment |  |  |
Financing Receivable, Past Due [Line Items] |  |  |
Total Past Due | $ 304 | $ 288 |

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