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LOANS - Amount of Business Lending Loans by Credit Quality Categories (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Term Loans Amortized Cost Basis by Origination Year |  |
Loans | $ 7,282,582 | $ 7,415,952
Legacy Loan [Member] |  |
Term Loans Amortized Cost Basis by Origination Year |  |
Total past due |  | 111,610
Loans |  | 7,415,952
Acquired Loans [Member] |  |
Term Loans Amortized Cost Basis by Origination Year |  |
Total past due | 93,056 |
Loans | 7,282,582 |
Business Lending [Member] |  |
Term Loans Amortized Cost Basis by Origination Year |  |
2021 | 424,374 |
2020 | 380,124 | 881,201
2019 | 371,881 | 391,969
2018 | 349,559 | 373,807
2017 | 239,364 | 263,820
2016 |  | 275,730
Prior | 762,700 | 660,921
Revolving Loans Amortized Cost Basis | 564,175 | 592,629
Total past due | 3,092,177 | 3,440,077
Business Lending [Member] | Pass [Member] |  |
Term Loans Amortized Cost Basis by Origination Year |  |
2021 | 418,709 |
2020 | 365,951 | 860,178
2019 | 339,050 | 351,350
2018 | 261,444 | 312,087
2017 | 179,753 | 217,138
2016 |  | 231,453
Prior | 624,089 | 543,999
Revolving Loans Amortized Cost Basis | 501,995 | 483,018
Total past due | 2,690,991 | 2,999,223
Business Lending [Member] | Special Mention [Member] |  |
Term Loans Amortized Cost Basis by Origination Year |  |
2021 | 4,877 |
2020 | 12,376 | 14,687
2019 | 11,965 | 36,041
2018 | 39,450 | 28,410
2017 | 34,331 | 21,875
2016 |  | 29,386
Prior | 64,406 | 51,657
Revolving Loans Amortized Cost Basis | 26,468 | 52,732
Total past due | 193,873 | 234,788
Business Lending [Member] | Classified [Member] |  |
Term Loans Amortized Cost Basis by Origination Year |  |
2021 | 788 |
2020 | 1,797 | 6,336
2019 | 20,851 | 4,560
2018 | 47,749 | 30,422
2017 | 25,280 | 24,807
2016 |  | 14,891
Prior | 74,205 | 65,157
Revolving Loans Amortized Cost Basis | 34,856 | 56,000
Total past due | 205,526 | 202,173
Business Lending [Member] | Doubtful [Member] |  |
Term Loans Amortized Cost Basis by Origination Year |  |
2021 | 0 |
2020 | 0 | 0
2019 | 15 | 18
2018 | 916 | 2,888
2017 | 0 | 0
2016 |  | 0
Prior | 0 | 108
Revolving Loans Amortized Cost Basis | 856 | 879
Total past due | 1,787 | 3,893
Consumer Mortgage [Member] |  |
Term Loans Amortized Cost Basis by Origination Year |  |
2021 | 470,060 |
2020 | 363,905 | 375,637
2019 | 287,375 | 330,825
2018 | 194,688 | 248,468
2017 | 185,933 | 240,217
2016 |  | 246,256
Prior | 949,807 | 942,393
Revolving Loans Amortized Cost Basis | 19,206 | 17,703
Total past due | 2,470,974 | 2,401,499
Consumer Mortgage [Member] | FICO AB [Member] |  |
Term Loans Amortized Cost Basis by Origination Year |  |
2021 | 360,580 |
2020 | 237,931 | 260,588
2019 | 195,086 | 227,027
2018 | 128,042 | 166,913
2017 | 126,311 | 164,051
2016 |  | 161,256
Prior | 615,271 | 617,685
Revolving Loans Amortized Cost Basis | 0 | 321
Total past due | 1,663,221 | 1,597,841
Consumer Mortgage [Member] | FICO AB [Member] | Performing [Member] |  |
Term Loans Amortized Cost Basis by Origination Year |  |
2021 | 360,580 |
2020 | 237,931 | 260,588
2019 | 195,086 | 227,027
2018 | 127,786 | 166,638
2017 | 125,836 | 163,653
2016 |  | 160,911
Prior | 612,420 | 614,976
Revolving Loans Amortized Cost Basis | 0 | 321
Total past due | 1,659,639 | 1,594,114
Consumer Mortgage [Member] | FICO AB [Member] | Nonperforming Financial Instruments [Member] |  |
Term Loans Amortized Cost Basis by Origination Year |  |
2021 | 0 |
2020 | 0 | 0
2019 | 0 | 0
2018 | 256 | 275
2017 | 475 | 398
2016 |  | 345
Prior | 2,851 | 2,709
Revolving Loans Amortized Cost Basis | 0 | 0
Total past due | 3,582 | 3,727
Consumer Mortgage [Member] | FICO CDE [Member] |  |
Term Loans Amortized Cost Basis by Origination Year |  |
2021 | 109,480 |
2020 | 125,974 | 115,049
2019 | 92,289 | 103,798
2018 | 66,646 | 81,555
2017 | 59,622 | 76,166
2016 |  | 85,000
Prior | 334,536 | 324,708
Revolving Loans Amortized Cost Basis | 19,206 | 17,382
Total past due | 807,753 | 803,658
Consumer Mortgage [Member] | FICO CDE [Member] | Performing [Member] |  |
Term Loans Amortized Cost Basis by Origination Year |  |
2021 | 109,400 |
2020 | 125,742 | 115,049
2019 | 91,312 | 102,788
2018 | 65,967 | 80,973
2017 | 58,841 | 75,289
2016 |  | 83,214
Prior | 323,974 | 314,668
Revolving Loans Amortized Cost Basis | 19,206 | 17,382
Total past due | 794,442 | 789,363
Consumer Mortgage [Member] | FICO CDE [Member] | Nonperforming Financial Instruments [Member] |  |
Term Loans Amortized Cost Basis by Origination Year |  |
2021 | 80 |
2020 | 232 | 0
2019 | 977 | 1,010
2018 | 679 | 582
2017 | 781 | 877
2016 |  | 1,786
Prior | 10,562 | 10,040
Revolving Loans Amortized Cost Basis | 0 | 0
Total past due | 13,311 | 14,295
Consumer Indirect [Member] |  |
Term Loans Amortized Cost Basis by Origination Year |  |
2021 | 480,254 |
2020 | 229,407 | 303,522
2019 | 209,968 | 305,953
2018 | 126,137 | 202,455
2017 | 48,633 | 86,514
2016 |  | 61,465
Prior | 73,979 | 61,976
Revolving Loans Amortized Cost Basis | 0 | 0
Total past due | 1,168,378 | 1,021,885
Consumer Indirect [Member] | Performing [Member] |  |
Term Loans Amortized Cost Basis by Origination Year |  |
2021 | 480,254 |
2020 | 229,368 | 303,471
2019 | 209,894 | 305,901
2018 | 126,128 | 202,373
2017 | 48,624 | 86,497
2016 |  | 61,449
Prior | 73,979 | 61,975
Revolving Loans Amortized Cost Basis | 0 | 0
Total past due | 1,168,247 | 1,021,666
Consumer Indirect [Member] | Nonperforming Financial Instruments [Member] |  |
Term Loans Amortized Cost Basis by Origination Year |  |
2021 | 0 |
2020 | 39 | 51
2019 | 74 | 52
2018 | 9 | 82
2017 | 9 | 17
2016 |  | 16
Prior | 0 | 1
Revolving Loans Amortized Cost Basis | 0 | 0
Total past due | 131 | 219
Consumer Direct [Member] |  |
Term Loans Amortized Cost Basis by Origination Year |  |
2021 | 61,119 |
2020 | 32,913 | 49,182
2019 | 29,380 | 47,011
2018 | 15,122 | 27,874
2017 | 5,668 | 12,331
2016 |  | 5,232
Prior | 5,273 | 4,149
Revolving Loans Amortized Cost Basis | 6,127 | 6,878
Total past due | 155,602 | 152,657
Consumer Direct [Member] | Performing [Member] |  |
Term Loans Amortized Cost Basis by Origination Year |  |
2021 | 61,119 |
2020 | 32,913 | 49,181
2019 | 29,379 | 46,992
2018 | 15,118 | 27,872
2017 | 5,668 | 12,326
2016 |  | 5,232
Prior | 5,259 | 4,146
Revolving Loans Amortized Cost Basis | 6,126 | 6,878
Total past due | 155,582 | 152,627
Consumer Direct [Member] | Nonperforming Financial Instruments [Member] |  |
Term Loans Amortized Cost Basis by Origination Year |  |
2021 | 0 |
2020 | 0 | 1
2019 | 1 | 19
2018 | 4 | 2
2017 | 0 | 5
2016 |  | 0
Prior | 14 | 3
Revolving Loans Amortized Cost Basis | 1 | 0
Total past due | 20 | 30
Home Equity [Member] |  |
Term Loans Amortized Cost Basis by Origination Year |  |
2021 | 56,317 |
2020 | 45,432 | 48,145
2019 | 39,046 | 48,804
2018 | 21,396 | 28,147
2017 | 17,233 | 23,628
2016 |  | 18,011
Prior | 39,845 | 36,390
Revolving Loans Amortized Cost Basis | 176,182 | 196,709
Total past due | 395,451 | 399,834
Home Equity [Member] | Performing [Member] |  |
Term Loans Amortized Cost Basis by Origination Year |  |
2021 | 56,317 |
2020 | 45,314 | 48,145
2019 | 39,025 | 48,780
2018 | 21,292 | 28,074
2017 | 17,137 | 23,524
2016 |  | 17,828
Prior | 39,052 | 35,900
Revolving Loans Amortized Cost Basis | 174,485 | 194,773
Total past due | 392,622 | 397,024
Home Equity [Member] | Nonperforming Financial Instruments [Member] |  |
Term Loans Amortized Cost Basis by Origination Year |  |
2021 | 0 |
2020 | 118 | 0
2019 | 21 | 24
2018 | 104 | 73
2017 | 96 | 104
2016 |  | 183
Prior | 793 | 490
Revolving Loans Amortized Cost Basis | 1,697 | 1,936
Total past due | $ 2,829 | $ 2,810

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