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LOANS, Credit Quality By Past Due Status (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 | Dec. 31, 2020
Aged analysis of the company's loans |  |
Total loans | $ 7,368,327 | $ 7,415,952
Interest income on nonaccrual loans | 0 |
Legacy Loan [Member] |  |
Aged analysis of the company's loans |  |
90 + days past due and still accruing |  | 3,922
Nonaccrual |  | 72,929
Total past due |  | 111,610
Current |  | 7,304,342
Total loans |  | 7,415,952
Legacy Loan [Member] | Past Due 30 - 89 Days [Member] |  |
Aged analysis of the company's loans |  |
Total past due |  | 34,759
Acquired Loans [Member] |  |
Aged analysis of the company's loans |  |
90 + days past due and still accruing | 2,152 |
Nonaccrual | 73,310 |
Total past due | 95,113 |
Current | 7,273,214 |
Total loans | 7,368,327 |
Acquired Loans [Member] | Past Due 30 - 89 Days [Member] |  |
Aged analysis of the company's loans |  |
Total past due | 19,651 |
Commercial Portfolio Segment [Member] | Business Lending [Member] |  |
Aged analysis of the company's loans |  |
90 + days past due and still accruing | 88 |
Nonaccrual | 54,930 |
Total past due | 58,699 |
Current | 3,333,087 |
Total loans | 3,391,786 | 3,440,077
Commercial Portfolio Segment [Member] | Business Lending [Member] | Past Due 30 - 89 Days [Member] |  |
Aged analysis of the company's loans |  |
Total past due | 3,681 |
Commercial Portfolio Segment [Member] | Business Lending [Member] | Legacy Loan [Member] |  |
Aged analysis of the company's loans |  |
90 + days past due and still accruing |  | 59
Nonaccrual |  | 55,709
Total past due |  | 60,664
Current |  | 3,379,413
Total loans |  | 3,440,077
Commercial Portfolio Segment [Member] | Business Lending [Member] | Legacy Loan [Member] | Past Due 30 - 89 Days [Member] |  |
Aged analysis of the company's loans |  |
Total past due |  | 4,896
Residential Portfolio Segment [Member] | Consumer Mortgage [Member] |  |
Aged analysis of the company's loans |  |
90 + days past due and still accruing | 1,688 |
Nonaccrual | 15,836 |
Total past due | 25,546 |
Current | 2,383,827 |
Total loans | 2,409,373 |
Residential Portfolio Segment [Member] | Consumer Mortgage [Member] | Past Due 30 - 89 Days [Member] |  |
Aged analysis of the company's loans |  |
Total past due | 8,022 |
Residential Portfolio Segment [Member] | Consumer Mortgage [Member] | Legacy Loan [Member] |  |
Aged analysis of the company's loans |  |
90 + days past due and still accruing |  | 3,051
Nonaccrual |  | 14,970
Total past due |  | 31,257
Current |  | 2,370,242
Total loans |  | 2,401,499
Residential Portfolio Segment [Member] | Consumer Mortgage [Member] | Legacy Loan [Member] | Past Due 30 - 89 Days [Member] |  |
Aged analysis of the company's loans |  |
Total past due |  | 13,236
Consumer Portfolio Segment [Member] | Consumer Mortgage [Member] |  |
Aged analysis of the company's loans |  |
Total loans | 2,409,373 | 2,401,499
Consumer Portfolio Segment [Member] | Consumer Indirect [Member] |  |
Aged analysis of the company's loans |  |
90 + days past due and still accruing | 115 |
Nonaccrual | 0 |
Total past due | 6,546 |
Current | 1,022,789 |
Total loans | 1,029,335 | 1,021,885
Consumer Portfolio Segment [Member] | Consumer Indirect [Member] | Past Due 30 - 89 Days [Member] |  |
Aged analysis of the company's loans |  |
Total past due | 6,431 |
Consumer Portfolio Segment [Member] | Consumer Indirect [Member] | Legacy Loan [Member] |  |
Aged analysis of the company's loans |  |
90 + days past due and still accruing |  | 219
Nonaccrual |  | 1
Total past due |  | 13,381
Current |  | 1,008,504
Total loans |  | 1,021,885
Consumer Portfolio Segment [Member] | Consumer Indirect [Member] | Legacy Loan [Member] | Past Due 30 - 89 Days [Member] |  |
Aged analysis of the company's loans |  |
Total past due |  | 13,161
Consumer Portfolio Segment [Member] | Consumer Direct [Member] |  |
Aged analysis of the company's loans |  |
90 + days past due and still accruing | 16 |
Nonaccrual | 2 |
Total past due | 577 |
Current | 141,848 |
Total loans | 142,425 | 152,657
Consumer Portfolio Segment [Member] | Consumer Direct [Member] | Past Due 30 - 89 Days [Member] |  |
Aged analysis of the company's loans |  |
Total past due | 559 |
Consumer Portfolio Segment [Member] | Consumer Direct [Member] | Legacy Loan [Member] |  |
Aged analysis of the company's loans |  |
90 + days past due and still accruing |  | 28
Nonaccrual |  | 3
Total past due |  | 1,201
Current |  | 151,456
Total loans |  | 152,657
Consumer Portfolio Segment [Member] | Consumer Direct [Member] | Legacy Loan [Member] | Past Due 30 - 89 Days [Member] |  |
Aged analysis of the company's loans |  |
Total past due |  | 1,170
Consumer Portfolio Segment [Member] | Home Equity [Member] |  |
Aged analysis of the company's loans |  |
90 + days past due and still accruing | 245 |
Nonaccrual | 2,542 |
Total past due | 3,745 |
Current | 391,663 |
Total loans | 395,408 | 399,834
Consumer Portfolio Segment [Member] | Home Equity [Member] | Past Due 30 - 89 Days [Member] |  |
Aged analysis of the company's loans |  |
Total past due | $ 958 |
Consumer Portfolio Segment [Member] | Home Equity [Member] | Legacy Loan [Member] |  |
Aged analysis of the company's loans |  |
90 + days past due and still accruing |  | 565
Nonaccrual |  | 2,246
Total past due |  | 5,107
Current |  | 394,727
Total loans |  | 399,834
Consumer Portfolio Segment [Member] | Home Equity [Member] | Legacy Loan [Member] | Past Due 30 - 89 Days [Member] |  |
Aged analysis of the company's loans |  |
Total past due |  | $ 2,296

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