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Loans and Allowance for Credit Losses Credit Quality Indicators (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020
Total |  |  |  |  |
Total | $ 18,586,756 |  | $ 18,586,756 |  | $ 18,900,820
Current period gross charge-offs | (9,522) | $ (8,047) | (17,724) | $ (22,050) |
Current period recoveries | 2,568 | 3,926 | 4,589 | 6,813 |
Total net (charge-offs) recoveries | 6,954 | $ 4,121 | 13,135 | $ 15,237 |
Commercial and industrial (1) |  |  |  |  |
Total |  |  |  |  |
Total | 4,985,414 |  | 4,985,414 |  | 5,670,828
Real estate - commercial mortgage |  |  |  |  |
Total |  |  |  |  |
Total | 7,152,932 |  | 7,152,932 |  | 7,105,092
Real-estate - home equity |  |  |  |  |
Total |  |  |  |  |
Total | 1,136,128 |  | 1,136,128 |  | 1,202,913
Real estate - residential mortgage |  |  |  |  |
Total |  |  |  |  |
Total | 3,555,897 |  | 3,555,897 |  | 3,141,915
Consumer |  |  |  |  |
Total |  |  |  |  |
Total | 448,433 |  | 448,433 |  | 466,772
Equipment lease financing, other and overdrafts |  |  |  |  |
Total |  |  |  |  |
Total | 237,197 |  | 237,197 |  | 266,082
Portfolio Segment and Loan Class [Member] |  |  |  |  |
2021 |  |  |  |  |
Total | 1,593,610 |  | 1,593,610 |  | 3,467,811
2020 |  |  |  |  |
Total | 2,168,599 |  | 2,168,599 |  | 1,732,931
2019 |  |  |  |  |
Total | 1,694,790 |  | 1,694,790 |  | 1,353,012
2018 |  |  |  |  |
Total | 1,194,114 |  | 1,194,114 |  | 1,234,058
2017 |  |  |  |  |
Total | 1,119,363 |  | 1,119,363 |  | 1,171,834
Prior |  |  |  |  |
Total | 3,957,589 |  | 3,957,589 |  | 3,248,551
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 1,320,439 |  | 1,320,439 |  | 1,485,249
Total |  |  |  |  |
Total | 13,050,531 |  | 13,050,531 |  | 13,694,790
Portfolio Segment and Loan Class [Member] | Pass |  |  |  |  |
2021 |  |  |  |  |
Total | 1,583,801 |  | 1,583,801 |  | 3,443,080
2020 |  |  |  |  |
Total | 2,102,893 |  | 2,102,893 |  | 1,655,148
2019 |  |  |  |  |
Total | 1,602,757 |  | 1,602,757 |  | 1,225,117
2018 |  |  |  |  |
Total | 1,045,152 |  | 1,045,152 |  | 1,090,130
2017 |  |  |  |  |
Total | 974,618 |  | 974,618 |  | 1,029,619
Prior |  |  |  |  |
Total | 3,414,862 |  | 3,414,862 |  | 2,920,459
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 1,227,972 |  | 1,227,972 |  | 1,369,756
Total |  |  |  |  |
Total | 11,952,055 |  | 11,952,055 |  | 12,733,713
Portfolio Segment and Loan Class [Member] | Special Mention |  |  |  |  |
2021 |  |  |  |  |
Total | 4,876 |  | 4,876 |  | 20,272
2020 |  |  |  |  |
Total | 55,266 |  | 55,266 |  | 64,708
2019 |  |  |  |  |
Total | 52,145 |  | 52,145 |  | 113,214
2018 |  |  |  |  |
Total | 109,823 |  | 109,823 |  | 91,650
2017 |  |  |  |  |
Total | 89,193 |  | 89,193 |  | 107,665
Prior |  |  |  |  |
Total | 347,799 |  | 347,799 |  | 199,596
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 44,856 |  | 44,856 |  | 48,358
Total |  |  |  |  |
Total | 704,063 |  | 704,063 |  | 645,463
Portfolio Segment and Loan Class [Member] | Substandard or Lower |  |  |  |  |
2021 |  |  |  |  |
Total | 4,933 |  | 4,933 |  | 4,459
2020 |  |  |  |  |
Total | 10,440 |  | 10,440 |  | 13,075
2019 |  |  |  |  |
Total | 39,888 |  | 39,888 |  | 14,681
2018 |  |  |  |  |
Total | 39,139 |  | 39,139 |  | 52,278
2017 |  |  |  |  |
Total | 55,552 |  | 55,552 |  | 34,550
Prior |  |  |  |  |
Total | 194,928 |  | 194,928 |  | 128,496
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 47,611 |  | 47,611 |  | 67,135
Total |  |  |  |  |
Total | 394,413 |  | 394,413 |  | 315,614
Portfolio Segment and Loan Class [Member] | Real estate - construction(1) |  |  |  |  |
2021 |  |  |  |  |
Total | 60,132 |  | 60,132 |  | 185,883
Current period gross charge-offs |  |  | 0 |  | 0
Current period recoveries |  |  | 0 |  | 0
Total net (charge-offs) recoveries |  |  | 0 |  | 0
2020 |  |  |  |  |
Total | 259,489 |  | 259,489 |  | 229,544
Current period gross charge-offs |  |  | 0 |  | 0
Current period recoveries |  |  | 0 |  | 0
Total net (charge-offs) recoveries |  |  | 0 |  | 0
2019 |  |  |  |  |
Total | 204,191 |  | 204,191 |  | 217,604
Current period gross charge-offs |  |  | (39) |  | 0
Current period recoveries |  |  | 39 |  | 0
Total net (charge-offs) recoveries |  |  | 0 |  | 0
2018 |  |  |  |  |
Total | 163,203 |  | 163,203 |  | 83,086
Current period gross charge-offs |  |  | 0 |  | 0
Current period recoveries |  |  | 0 |  | 0
Total net (charge-offs) recoveries |  |  | 0 |  | 0
2017 |  |  |  |  |
Total | 36,878 |  | 36,878 |  | 45,776
Current period gross charge-offs |  |  | 0 |  | 0
Current period recoveries |  |  | 0 |  | 68
Total net (charge-offs) recoveries |  |  | 0 |  | 68
Prior |  |  |  |  |
Total | 148,600 |  | 148,600 |  | 118,319
Current period gross charge-offs |  |  | 0 |  | (17)
Current period recoveries |  |  | 599 |  | 5,054
Total net (charge-offs) recoveries |  |  | 599 |  | 5,037
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 39,692 |  | 39,692 |  | 38,658
Current period gross charge-offs |  |  | 0 |  | 0
Current period recoveries |  |  | 0 |  | 0
Total net (charge-offs) recoveries |  |  | 0 |  | 0
Total |  |  |  |  |
Total | 912,185 |  | 912,185 |  | 918,870
Current period gross charge-offs |  |  | (39) |  | (17)
Current period recoveries |  |  | 638 |  | 5,122
Total net (charge-offs) recoveries |  |  | (599) |  | (5,105)
Portfolio Segment and Loan Class [Member] | Real estate - construction(1) | Pass |  |  |  |  |
2021 |  |  |  |  |
Total | 55,746 |  | 55,746 |  | 185,883
2020 |  |  |  |  |
Total | 259,489 |  | 259,489 |  | 229,097
2019 |  |  |  |  |
Total | 203,753 |  | 203,753 |  | 217,604
2018 |  |  |  |  |
Total | 163,203 |  | 163,203 |  | 81,086
2017 |  |  |  |  |
Total | 34,926 |  | 34,926 |  | 37,976
Prior |  |  |  |  |
Total | 132,581 |  | 132,581 |  | 110,470
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 39,453 |  | 39,453 |  | 38,026
Total |  |  |  |  |
Total | 889,151 |  | 889,151 |  | 900,142
Portfolio Segment and Loan Class [Member] | Real estate - construction(1) | Special Mention |  |  |  |  |
2021 |  |  |  |  |
Total | 4,386 |  | 4,386 |  | 0
2020 |  |  |  |  |
Total | 0 |  | 0 |  | 0
2019 |  |  |  |  |
Total | 285 |  | 285 |  | 0
2018 |  |  |  |  |
Total | 0 |  | 0 |  | 0
2017 |  |  |  |  |
Total | 0 |  | 0 |  | 7,047
Prior |  |  |  |  |
Total | 14,421 |  | 14,421 |  | 6,212
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 0 |  | 0 |  | 0
Total |  |  |  |  |
Total | 19,092 |  | 19,092 |  | 13,259
Portfolio Segment and Loan Class [Member] | Real estate - construction(1) | Substandard or Lower |  |  |  |  |
2021 |  |  |  |  |
Total | 0 |  | 0 |  | 0
2020 |  |  |  |  |
Total | 0 |  | 0 |  | 447
2019 |  |  |  |  |
Total | 153 |  | 153 |  | 0
2018 |  |  |  |  |
Total | 0 |  | 0 |  | 2,000
2017 |  |  |  |  |
Total | 1,952 |  | 1,952 |  | 753
Prior |  |  |  |  |
Total | 1,598 |  | 1,598 |  | 1,637
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 239 |  | 239 |  | 632
Total |  |  |  |  |
Total | 3,942 |  | 3,942 |  | 5,469
Portfolio Segment and Loan Class [Member] | Commercial and industrial (1) |  |  |  |  |
2021 |  |  |  |  |
Total | 1,099,862 |  | 1,099,862 |  | 2,293,387
Current period gross charge-offs |  |  | 0 |  | 0
Current period recoveries |  |  | 0 |  | 0
Total net (charge-offs) recoveries |  |  | 0 |  | 0
2020 |  |  |  |  |
Total | 909,307 |  | 909,307 |  | 538,322
Current period gross charge-offs |  |  | (50) |  | (114)
Current period recoveries |  |  | 0 |  | 43
Total net (charge-offs) recoveries |  |  | (50) |  | (71)
2019 |  |  |  |  |
Total | 512,147 |  | 512,147 |  | 336,168
Current period gross charge-offs |  |  | (70) |  | (30)
Current period recoveries |  |  | 22 |  | 486
Total net (charge-offs) recoveries |  |  | (48) |  | 456
2018 |  |  |  |  |
Total | 292,181 |  | 292,181 |  | 236,285
Current period gross charge-offs |  |  | (91) |  | (488)
Current period recoveries |  |  | 249 |  | 216
Total net (charge-offs) recoveries |  |  | 158 |  | (272)
2017 |  |  |  |  |
Total | 213,146 |  | 213,146 |  | 231,247
Current period gross charge-offs |  |  | (130) |  | (393)
Current period recoveries |  |  | 58 |  | 162
Total net (charge-offs) recoveries |  |  | (72) |  | (231)
Prior |  |  |  |  |
Total | 740,858 |  | 740,858 |  | 646,458
Current period gross charge-offs |  |  | (472) |  | (520)
Current period recoveries |  |  | 640 |  | 4,531
Total net (charge-offs) recoveries |  |  | 168 |  | 4,011
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 1,216,028 |  | 1,216,028 |  | 1,388,961
Current period gross charge-offs |  |  | (4,460) |  | (17,370)
Current period recoveries |  |  | 493 |  | 5,958
Total net (charge-offs) recoveries |  |  | (3,967) |  | (11,412)
Total |  |  |  |  |
Total | 4,985,414 |  | 4,985,414 |  | 5,670,828
Current period gross charge-offs |  |  | (5,273) |  | (18,915)
Current period recoveries |  |  | 1,462 |  | 11,396
Total net (charge-offs) recoveries |  |  | 3,811 |  | 7,519
Portfolio Segment and Loan Class [Member] | Commercial and industrial (1) | Pass |  |  |  |  |
2021 |  |  |  |  |
Total | 1,094,643 |  | 1,094,643 |  | 2,283,533
2020 |  |  |  |  |
Total | 890,179 |  | 890,179 |  | 508,541
2019 |  |  |  |  |
Total | 474,995 |  | 474,995 |  | 298,567
2018 |  |  |  |  |
Total | 252,445 |  | 252,445 |  | 214,089
2017 |  |  |  |  |
Total | 190,560 |  | 190,560 |  | 208,549
Prior |  |  |  |  |
Total | 659,879 |  | 659,879 |  | 596,646
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 1,127,132 |  | 1,127,132 |  | 1,278,689
Total |  |  |  |  |
Total | 4,689,833 |  | 4,689,833 |  | 5,388,614
Portfolio Segment and Loan Class [Member] | Commercial and industrial (1) | Special Mention |  |  |  |  |
2021 |  |  |  |  |
Total | 286 |  | 286 |  | 6,633
2020 |  |  |  |  |
Total | 12,141 |  | 12,141 |  | 23,834
2019 |  |  |  |  |
Total | 21,656 |  | 21,656 |  | 29,167
2018 |  |  |  |  |
Total | 16,478 |  | 16,478 |  | 10,945
2017 |  |  |  |  |
Total | 9,393 |  | 9,393 |  | 11,506
Prior |  |  |  |  |
Total | 39,229 |  | 39,229 |  | 25,960
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 44,015 |  | 44,015 |  | 45,994
Total |  |  |  |  |
Total | 143,198 |  | 143,198 |  | 154,039
Portfolio Segment and Loan Class [Member] | Commercial and industrial (1) | Substandard or Lower |  |  |  |  |
2021 |  |  |  |  |
Total | 4,933 |  | 4,933 |  | 3,221
2020 |  |  |  |  |
Total | 6,987 |  | 6,987 |  | 5,947
2019 |  |  |  |  |
Total | 15,496 |  | 15,496 |  | 8,434
2018 |  |  |  |  |
Total | 23,258 |  | 23,258 |  | 11,251
2017 |  |  |  |  |
Total | 13,193 |  | 13,193 |  | 11,192
Prior |  |  |  |  |
Total | 41,750 |  | 41,750 |  | 23,852
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 44,881 |  | 44,881 |  | 64,278
Total |  |  |  |  |
Total | 152,383 |  | 152,383 |  | 128,175
Portfolio Segment and Loan Class [Member] | Real estate - commercial mortgage |  |  |  |  |
2021 |  |  |  |  |
Total | 433,616 |  | 433,616 |  | 988,541
Current period gross charge-offs |  |  | 0 |  | (60)
Current period recoveries |  |  | 0 |  | 0
Total net (charge-offs) recoveries |  |  | 0 |  | (60)
2020 |  |  |  |  |
Total | 999,803 |  | 999,803 |  | 965,065
Current period gross charge-offs |  |  | 0 |  | (21)
Current period recoveries |  |  | 0 |  | 6
Total net (charge-offs) recoveries |  |  | 0 |  | (15)
2019 |  |  |  |  |
Total | 978,452 |  | 978,452 |  | 799,240
Current period gross charge-offs |  |  | 0 |  | (36)
Current period recoveries |  |  | 0 |  | 0
Total net (charge-offs) recoveries |  |  | 0 |  | (36)
2018 |  |  |  |  |
Total | 738,730 |  | 738,730 |  | 914,687
Current period gross charge-offs |  |  | (25) |  | (2,515)
Current period recoveries |  |  | 0 |  | 0
Total net (charge-offs) recoveries |  |  | (25) |  | (2,515)
2017 |  |  |  |  |
Total | 869,339 |  | 869,339 |  | 894,811
Current period gross charge-offs |  |  | (6,603) |  | (29)
Current period recoveries |  |  | 0 |  | 1
Total net (charge-offs) recoveries |  |  | (6,603) |  | (28)
Prior |  |  |  |  |
Total | 3,068,131 |  | 3,068,131 |  | 2,483,774
Current period gross charge-offs |  |  | (1,517) |  | (1,547)
Current period recoveries |  |  | 903 |  | 1,020
Total net (charge-offs) recoveries |  |  | (614) |  | (527)
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 64,719 |  | 64,719 |  | 57,630
Current period gross charge-offs |  |  | (198) |  | (17)
Current period recoveries |  |  | 0 |  | 0
Total net (charge-offs) recoveries |  |  | (198) |  | (17)
Total |  |  |  |  |
Total | 7,152,932 |  | 7,152,932 |  | 7,105,092
Current period gross charge-offs |  |  | (8,343) |  | (4,225)
Current period recoveries |  |  | 903 |  | 1,027
Total net (charge-offs) recoveries |  |  | 7,440 |  | 3,198
Portfolio Segment and Loan Class [Member] | Real estate - commercial mortgage | Pass |  |  |  |  |
2021 |  |  |  |  |
Total | 433,412 |  | 433,412 |  | 973,664
2020 |  |  |  |  |
Total | 953,225 |  | 953,225 |  | 917,510
2019 |  |  |  |  |
Total | 924,009 |  | 924,009 |  | 708,946
2018 |  |  |  |  |
Total | 629,504 |  | 629,504 |  | 794,955
2017 |  |  |  |  |
Total | 749,132 |  | 749,132 |  | 783,094
Prior |  |  |  |  |
Total | 2,622,402 |  | 2,622,402 |  | 2,213,343
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 61,387 |  | 61,387 |  | 53,041
Total |  |  |  |  |
Total | 6,373,071 |  | 6,373,071 |  | 6,444,957
Portfolio Segment and Loan Class [Member] | Real estate - commercial mortgage | Special Mention |  |  |  |  |
2021 |  |  |  |  |
Total | 204 |  | 204 |  | 13,639
2020 |  |  |  |  |
Total | 43,125 |  | 43,125 |  | 40,874
2019 |  |  |  |  |
Total | 30,204 |  | 30,204 |  | 84,047
2018 |  |  |  |  |
Total | 93,345 |  | 93,345 |  | 80,705
2017 |  |  |  |  |
Total | 79,800 |  | 79,800 |  | 89,112
Prior |  |  |  |  |
Total | 294,149 |  | 294,149 |  | 167,424
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 841 |  | 841 |  | 2,364
Total |  |  |  |  |
Total | 541,773 |  | 541,773 |  | 478,165
Portfolio Segment and Loan Class [Member] | Real estate - commercial mortgage | Substandard or Lower |  |  |  |  |
2021 |  |  |  |  |
Total | 0 |  | 0 |  | 1,238
2020 |  |  |  |  |
Total | 3,453 |  | 3,453 |  | 6,681
2019 |  |  |  |  |
Total | 24,239 |  | 24,239 |  | 6,247
2018 |  |  |  |  |
Total | 15,881 |  | 15,881 |  | 39,027
2017 |  |  |  |  |
Total | 40,407 |  | 40,407 |  | 22,605
Prior |  |  |  |  |
Total | 151,580 |  | 151,580 |  | 103,007
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 2,491 |  | 2,491 |  | 2,225
Total |  |  |  |  |
Total | 238,088 |  | 238,088 |  | 181,970
Payment Activity, Aging Status [Member] |  |  |  |  |
2021 |  |  |  |  |
Total | 1,076,373 |  | 1,076,373 |  | 1,600,529
2020 |  |  |  |  |
Total | 1,497,794 |  | 1,497,794 |  | 785,422
2019 |  |  |  |  |
Total | 589,993 |  | 589,993 |  | 397,005
2018 |  |  |  |  |
Total | 284,681 |  | 284,681 |  | 449,934
2017 |  |  |  |  |
Total | 339,438 |  | 339,438 |  | 319,307
Prior |  |  |  |  |
Total | 767,849 |  | 767,849 |  | 627,069
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 996,791 |  | 996,791 |  | 1,044,502
Total |  |  |  |  |
Total | 5,555,421 |  | 5,555,421 |  | 5,229,131
Payment Activity, Aging Status [Member] | Performing |  |  |  |  |
2021 |  |  |  |  |
Total | 1,076,373 |  | 1,076,373 |  | 1,600,144
2020 |  |  |  |  |
Total | 1,491,385 |  | 1,491,385 |  | 782,832
2019 |  |  |  |  |
Total | 587,400 |  | 587,400 |  | 393,651
2018 |  |  |  |  |
Total | 281,352 |  | 281,352 |  | 430,916
2017 |  |  |  |  |
Total | 320,314 |  | 320,314 |  | 318,108
Prior |  |  |  |  |
Total | 741,767 |  | 741,767 |  | 602,764
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 988,512 |  | 988,512 |  | 1,034,983
Total |  |  |  |  |
Total | 5,489,605 |  | 5,489,605 |  | 5,168,761
Payment Activity, Aging Status [Member] | Nonperforming Financial Instruments [Member] |  |  |  |  |
2021 |  |  |  |  |
Total | 0 |  | 0 |  | 385
2020 |  |  |  |  |
Total | 6,409 |  | 6,409 |  | 2,590
2019 |  |  |  |  |
Total | 2,593 |  | 2,593 |  | 3,354
2018 |  |  |  |  |
Total | 3,329 |  | 3,329 |  | 19,018
2017 |  |  |  |  |
Total | 19,124 |  | 19,124 |  | 1,199
Prior |  |  |  |  |
Total | 26,082 |  | 26,082 |  | 24,305
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 8,279 |  | 8,279 |  | 9,519
Total |  |  |  |  |
Total | 65,816 |  | 65,816 |  | 60,370
Payment Activity, Aging Status [Member] | Real-estate - home equity |  |  |  |  |
2021 |  |  |  |  |
Total | 14,248 |  | 14,248 |  | 31,445
Current period gross charge-offs |  |  | 0 |  | 0
Current period recoveries |  |  | 0 |  | 0
Total net (charge-offs) recoveries |  |  | 0 |  | 0
2020 |  |  |  |  |
Total | 27,159 |  | 27,159 |  | 8,264
Current period gross charge-offs |  |  | 0 |  | 0
Current period recoveries |  |  | 0 |  | 0
Total net (charge-offs) recoveries |  |  | 0 |  | 0
2019 |  |  |  |  |
Total | 7,757 |  | 7,757 |  | 13,929
Current period gross charge-offs |  |  | (41) |  | 0
Current period recoveries |  |  | 0 |  | 0
Total net (charge-offs) recoveries |  |  | (41) |  | 0
2018 |  |  |  |  |
Total | 11,086 |  | 11,086 |  | 11,257
Current period gross charge-offs |  |  | 0 |  | 0
Current period recoveries |  |  | 0 |  | 0
Total net (charge-offs) recoveries |  |  | 0 |  | 0
2017 |  |  |  |  |
Total | 9,131 |  | 9,131 |  | 11,888
Current period gross charge-offs |  |  | 0 |  | 0
Current period recoveries |  |  | 0 |  | 0
Total net (charge-offs) recoveries |  |  | 0 |  | 0
Prior |  |  |  |  |
Total | 115,287 |  | 115,287 |  | 129,039
Current period gross charge-offs |  |  | (171) |  | (34)
Current period recoveries |  |  | 58 |  | 138
Total net (charge-offs) recoveries |  |  | (113) |  | 104
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 948,958 |  | 948,958 |  | 991,770
Current period gross charge-offs |  |  | (212) |  | (1,159)
Current period recoveries |  |  | 51 |  | 366
Total net (charge-offs) recoveries |  |  | (161) |  | (793)
Total |  |  |  |  |
Total | 1,136,128 |  | 1,136,128 |  | 1,202,913
Current period gross charge-offs |  |  | (424) |  | (1,193)
Current period recoveries |  |  | 109 |  | 504
Total net (charge-offs) recoveries |  |  | 315 |  | 689
Payment Activity, Aging Status [Member] | Real-estate - home equity | Performing |  |  |  |  |
2021 |  |  |  |  |
Total | 14,248 |  | 14,248 |  | 31,445
2020 |  |  |  |  |
Total | 27,159 |  | 27,159 |  | 8,176
2019 |  |  |  |  |
Total | 7,757 |  | 7,757 |  | 13,906
2018 |  |  |  |  |
Total | 11,063 |  | 11,063 |  | 11,024
2017 |  |  |  |  |
Total | 8,898 |  | 8,898 |  | 11,667
Prior |  |  |  |  |
Total | 112,798 |  | 112,798 |  | 126,749
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 940,727 |  | 940,727 |  | 982,285
Total |  |  |  |  |
Total | 1,125,152 |  | 1,125,152 |  | 1,190,573
Payment Activity, Aging Status [Member] | Real-estate - home equity | Nonperforming Financial Instruments [Member] |  |  |  |  |
2021 |  |  |  |  |
Total | 0 |  | 0 |  | 0
2020 |  |  |  |  |
Total | 0 |  | 0 |  | 88
2019 |  |  |  |  |
Total | 0 |  | 0 |  | 23
2018 |  |  |  |  |
Total | 23 |  | 23 |  | 233
2017 |  |  |  |  |
Total | 233 |  | 233 |  | 221
Prior |  |  |  |  |
Total | 2,489 |  | 2,489 |  | 2,290
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 8,231 |  | 8,231 |  | 9,485
Total |  |  |  |  |
Total | 10,976 |  | 10,976 |  | 12,340
Payment Activity, Aging Status [Member] | Real estate - residential mortgage |  |  |  |  |
2021 |  |  |  |  |
Total | 916,128 |  | 916,128 |  | 1,255,749
Current period gross charge-offs |  |  | 0 |  | 0
Current period recoveries |  |  | 0 |  | 0
Total net (charge-offs) recoveries |  |  | 0 |  | 0
2020 |  |  |  |  |
Total | 1,209,284 |  | 1,209,284 |  | 588,361
Current period gross charge-offs |  |  | (49) |  | (68)
Current period recoveries |  |  | 0 |  | 68
Total net (charge-offs) recoveries |  |  | (49) |  | 0
2019 |  |  |  |  |
Total | 437,537 |  | 437,537 |  | 231,575
Current period gross charge-offs |  |  | (143) |  | (101)
Current period recoveries |  |  | 0 |  | 16
Total net (charge-offs) recoveries |  |  | (143) |  | (85)
2018 |  |  |  |  |
Total | 151,266 |  | 151,266 |  | 344,046
Current period gross charge-offs |  |  | (125) |  | (190)
Current period recoveries |  |  | 12 |  | 1
Total net (charge-offs) recoveries |  |  | (113) |  | (189)
2017 |  |  |  |  |
Total | 254,682 |  | 254,682 |  | 265,712
Current period gross charge-offs |  |  | (4) |  | (7)
Current period recoveries |  |  | 0 |  | 1
Total net (charge-offs) recoveries |  |  | (4) |  | (6)
Prior |  |  |  |  |
Total | 587,000 |  | 587,000 |  | 456,472
Current period gross charge-offs |  |  | (367) |  | (254)
Current period recoveries |  |  | 96 |  | 405
Total net (charge-offs) recoveries |  |  | (271) |  | 151
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 0 |  | 0 |  | 0
Current period gross charge-offs |  |  | 0 |  | 0
Current period recoveries |  |  | 92 |  | 0
Total net (charge-offs) recoveries |  |  | 92 |  | 0
Total |  |  |  |  |
Total | 3,555,897 |  | 3,555,897 |  | 3,141,915
Current period gross charge-offs |  |  | (688) |  | (620)
Current period recoveries |  |  | 200 |  | 491
Total net (charge-offs) recoveries |  |  | 488 |  | 129
Payment Activity, Aging Status [Member] | Real estate - residential mortgage | Performing |  |  |  |  |
2021 |  |  |  |  |
Total | 916,128 |  | 916,128 |  | 1,255,532
2020 |  |  |  |  |
Total | 1,203,025 |  | 1,203,025 |  | 585,878
2019 |  |  |  |  |
Total | 435,125 |  | 435,125 |  | 228,398
2018 |  |  |  |  |
Total | 148,034 |  | 148,034 |  | 341,563
2017 |  |  |  |  |
Total | 251,748 |  | 251,748 |  | 264,990
Prior |  |  |  |  |
Total | 563,509 |  | 563,509 |  | 434,889
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 0 |  | 0 |  | 0
Total |  |  |  |  |
Total | 3,517,569 |  | 3,517,569 |  | 3,111,250
Payment Activity, Aging Status [Member] | Real estate - residential mortgage | Nonperforming Financial Instruments [Member] |  |  |  |  |
2021 |  |  |  |  |
Total | 0 |  | 0 |  | 217
2020 |  |  |  |  |
Total | 6,259 |  | 6,259 |  | 2,483
2019 |  |  |  |  |
Total | 2,412 |  | 2,412 |  | 3,177
2018 |  |  |  |  |
Total | 3,232 |  | 3,232 |  | 2,483
2017 |  |  |  |  |
Total | 2,934 |  | 2,934 |  | 722
Prior |  |  |  |  |
Total | 23,491 |  | 23,491 |  | 21,583
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 0 |  | 0 |  | 0
Total |  |  |  |  |
Total | 38,328 |  | 38,328 |  | 30,665
Payment Activity, Aging Status [Member] | Consumer |  |  |  |  |
2021 |  |  |  |  |
Total | 62,507 |  | 62,507 |  | 114,567
Current period gross charge-offs |  |  | (12) |  | (134)
Current period recoveries |  |  | 0 |  | 0
Total net (charge-offs) recoveries |  |  | (12) |  | (134)
2020 |  |  |  |  |
Total | 96,059 |  | 96,059 |  | 98,606
Current period gross charge-offs |  |  | (208) |  | (542)
Current period recoveries |  |  | 87 |  | 64
Total net (charge-offs) recoveries |  |  | (121) |  | (478)
2019 |  |  |  |  |
Total | 81,693 |  | 81,693 |  | 95,196
Current period gross charge-offs |  |  | (225) |  | (524)
Current period recoveries |  |  | 85 |  | 165
Total net (charge-offs) recoveries |  |  | (140) |  | (359)
2018 |  |  |  |  |
Total | 75,855 |  | 75,855 |  | 43,475
Current period gross charge-offs |  |  | (154) |  | (444)
Current period recoveries |  |  | 52 |  | 159
Total net (charge-offs) recoveries |  |  | (102) |  | (285)
2017 |  |  |  |  |
Total | 33,055 |  | 33,055 |  | 25,918
Current period gross charge-offs |  |  | (172) |  | (489)
Current period recoveries |  |  | 43 |  | 94
Total net (charge-offs) recoveries |  |  | (129) |  | (395)
Prior |  |  |  |  |
Total | 51,431 |  | 51,431 |  | 36,236
Current period gross charge-offs |  |  | (157) |  | (769)
Current period recoveries |  |  | 523 |  | 101
Total net (charge-offs) recoveries |  |  | 366 |  | (668)
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 47,833 |  | 47,833 |  | 52,732
Current period gross charge-offs |  |  | (625) |  | (498)
Current period recoveries |  |  | 175 |  | 1,292
Total net (charge-offs) recoveries |  |  | (450) |  | 794
Total |  |  |  |  |
Total | 448,433 |  | 448,433 |  | 466,772
Current period gross charge-offs |  |  | (1,553) |  | (3,400)
Current period recoveries |  |  | 965 |  | 1,875
Total net (charge-offs) recoveries |  |  | 588 |  | 1,525
Payment Activity, Aging Status [Member] | Consumer | Performing |  |  |  |  |
2021 |  |  |  |  |
Total | 62,507 |  | 62,507 |  | 114,399
2020 |  |  |  |  |
Total | 95,909 |  | 95,909 |  | 98,587
2019 |  |  |  |  |
Total | 81,669 |  | 81,669 |  | 95,072
2018 |  |  |  |  |
Total | 75,781 |  | 75,781 |  | 43,334
2017 |  |  |  |  |
Total | 33,021 |  | 33,021 |  | 25,804
Prior |  |  |  |  |
Total | 51,329 |  | 51,329 |  | 36,086
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 47,785 |  | 47,785 |  | 52,698
Total |  |  |  |  |
Total | 448,001 |  | 448,001 |  | 466,022
Payment Activity, Aging Status [Member] | Consumer | Nonperforming Financial Instruments [Member] |  |  |  |  |
2021 |  |  |  |  |
Total | 0 |  | 0 |  | 168
2020 |  |  |  |  |
Total | 150 |  | 150 |  | 19
2019 |  |  |  |  |
Total | 24 |  | 24 |  | 124
2018 |  |  |  |  |
Total | 74 |  | 74 |  | 141
2017 |  |  |  |  |
Total | 34 |  | 34 |  | 114
Prior |  |  |  |  |
Total | 102 |  | 102 |  | 150
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 48 |  | 48 |  | 34
Total |  |  |  |  |
Total | 432 |  | 432 |  | 750
Payment Activity, Aging Status [Member] | Equipment lease financing, other and overdrafts |  |  |  |  |
2021 |  |  |  |  |
Total | 31,408 |  | 31,408 |  | 102,324
Current period gross charge-offs |  |  | (128) |  | (606)
Current period recoveries |  |  | 0 |  | 185
Total net (charge-offs) recoveries |  |  | (128) |  | (421)
2020 |  |  |  |  |
Total | 70,990 |  | 70,990 |  | 65,303
Current period gross charge-offs |  |  | (1,276) |  | (1,581)
Current period recoveries |  |  | 239 |  | 349
Total net (charge-offs) recoveries |  |  | (1,037) |  | (1,232)
2019 |  |  |  |  |
Total | 55,921 |  | 55,921 |  | 49,483
Current period gross charge-offs |  |  | 0 |  | 0
Current period recoveries |  |  | 58 |  | 21
Total net (charge-offs) recoveries |  |  | 58 |  | 21
2018 |  |  |  |  |
Total | 41,562 |  | 41,562 |  | 50,978
Current period gross charge-offs |  |  | 0 |  | 0
Current period recoveries |  |  | 6 |  | 18
Total net (charge-offs) recoveries |  |  | 6 |  | 18
2017 |  |  |  |  |
Total | 42,397 |  | 42,397 |  | 15,773
Current period gross charge-offs |  |  | 0 |  | 0
Current period recoveries |  |  | 5 |  | 11
Total net (charge-offs) recoveries |  |  | 5 |  | 11
Prior |  |  |  |  |
Total | 14,115 |  | 14,115 |  | 5,322
Current period gross charge-offs |  |  | 0 |  | 0
Current period recoveries |  |  | 4 |  | 21
Total net (charge-offs) recoveries |  |  | 4 |  | 21
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 0 |  | 0 |  | 0
Current period gross charge-offs |  |  | 0 |  | 0
Current period recoveries |  |  | 0 |  | 0
Total net (charge-offs) recoveries |  |  | 0 |  | 0
Total |  |  |  |  |
Total | 256,393 |  | 256,393 |  | 289,183
Current period gross charge-offs |  |  | (1,404) |  | (2,187)
Current period recoveries |  |  | 312 |  | 605
Total net (charge-offs) recoveries |  |  | 1,092 |  | 1,582
Payment Activity, Aging Status [Member] | Equipment lease financing, other and overdrafts | Performing |  |  |  |  |
2021 |  |  |  |  |
Total | 31,408 |  | 31,408 |  | 102,324
2020 |  |  |  |  |
Total | 70,990 |  | 70,990 |  | 65,303
2019 |  |  |  |  |
Total | 55,764 |  | 55,764 |  | 49,453
2018 |  |  |  |  |
Total | 41,562 |  | 41,562 |  | 34,995
2017 |  |  |  |  |
Total | 26,647 |  | 26,647 |  | 15,631
Prior |  |  |  |  |
Total | 14,115 |  | 14,115 |  | 5,040
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 0 |  | 0 |  | 0
Total |  |  |  |  |
Total | 240,486 |  | 240,486 |  | 272,746
Payment Activity, Aging Status [Member] | Equipment lease financing, other and overdrafts | Nonperforming Financial Instruments [Member] |  |  |  |  |
2021 |  |  |  |  |
Total | 0 |  | 0 |  | 0
2020 |  |  |  |  |
Total | 0 |  | 0 |  | 0
2019 |  |  |  |  |
Total | 157 |  | 157 |  | 30
2018 |  |  |  |  |
Total | 0 |  | 0 |  | 15,983
2017 |  |  |  |  |
Total | 15,750 |  | 15,750 |  | 142
Prior |  |  |  |  |
Total | 0 |  | 0 |  | 282
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 0 |  | 0 |  | 0
Total |  |  |  |  |
Total | 15,907 |  | 15,907 |  | 16,437
Payment Activity, Aging Status [Member] | Construction - other |  |  |  |  |
2021 |  |  |  |  |
Total | 52,082 |  | 52,082 |  | 96,444
Current period gross charge-offs |  |  | 0 |  | 0
Current period recoveries |  |  | 0 |  | 0
Total net (charge-offs) recoveries |  |  | 0 |  | 0
2020 |  |  |  |  |
Total | 94,302 |  | 94,302 |  | 24,888
Current period gross charge-offs |  |  | 0 |  | 0
Current period recoveries |  |  | 0 |  | 0
Total net (charge-offs) recoveries |  |  | 0 |  | 0
2019 |  |  |  |  |
Total | 7,085 |  | 7,085 |  | 6,822
Current period gross charge-offs |  |  | 0 |  | 0
Current period recoveries |  |  | 0 |  | 0
Total net (charge-offs) recoveries |  |  | 0 |  | 0
2018 |  |  |  |  |
Total | 4,912 |  | 4,912 |  | 178
Current period gross charge-offs |  |  | 0 |  | 0
Current period recoveries |  |  | 0 |  | 0
Total net (charge-offs) recoveries |  |  | 0 |  | 0
2017 |  |  |  |  |
Total | 173 |  | 173 |  | 16
Current period gross charge-offs |  |  | 0 |  | 0
Current period recoveries |  |  | 0 |  | 0
Total net (charge-offs) recoveries |  |  | 0 |  | 0
Prior |  |  |  |  |
Total | 16 |  | 16 |  | 0
Current period gross charge-offs |  |  | 0 |  | 0
Current period recoveries |  |  | 0 |  | 0
Total net (charge-offs) recoveries |  |  | 0 |  | 0
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 0 |  | 0 |  | 0
Current period gross charge-offs |  |  | 0 |  | 0
Current period recoveries |  |  | 0 |  | 0
Total net (charge-offs) recoveries |  |  | 0 |  | 0
Total |  |  |  |  |
Total | 158,570 |  | 158,570 |  | 128,348
Current period gross charge-offs |  |  | 0 |  | 0
Current period recoveries |  |  | 0 |  | 0
Total net (charge-offs) recoveries |  |  | 0 |  | 0
Payment Activity, Aging Status [Member] | Construction - other | Performing |  |  |  |  |
2021 |  |  |  |  |
Total | 52,082 |  | 52,082 |  | 96,444
2020 |  |  |  |  |
Total | 94,302 |  | 94,302 |  | 24,888
2019 |  |  |  |  |
Total | 7,085 |  | 7,085 |  | 6,822
2018 |  |  |  |  |
Total | 4,912 |  | 4,912 |  | 0
2017 |  |  |  |  |
Total | 0 |  | 0 |  | 16
Prior |  |  |  |  |
Total | 16 |  | 16 |  | 0
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 0 |  | 0 |  | 0
Total |  |  |  |  |
Total | 158,397 |  | 158,397 |  | 128,170
Payment Activity, Aging Status [Member] | Construction - other | Nonperforming Financial Instruments [Member] |  |  |  |  |
2021 |  |  |  |  |
Total | 0 |  | 0 |  | 0
2020 |  |  |  |  |
Total | 0 |  | 0 |  | 0
2019 |  |  |  |  |
Total | 0 |  | 0 |  | 0
2018 |  |  |  |  |
Total | 0 |  | 0 |  | 178
2017 |  |  |  |  |
Total | 173 |  | 173 |  | 0
Prior |  |  |  |  |
Total | 0 |  | 0 |  | 0
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 0 |  | 0 |  | 0
Total |  |  |  |  |
Total | 173 |  | 173 |  | 178
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] |  |  |  |  |
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 2,027 |  | 2,027 |  | 1,344
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Pass |  |  |  |  |
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 0 |  | 0 |  | 404
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Special Mention |  |  |  |  |
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 105 |  | 105 |  | 0
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Substandard or Lower |  |  |  |  |
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 1,922 |  | 1,922 |  | 940
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Real estate - construction(1) |  |  |  |  |
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 0 |  | 0 |  | 0
Current period gross charge-offs |  |  | 0 |  | 0
Current period recoveries |  |  | 0 |  | 0
Total net (charge-offs) recoveries |  |  | 0 |  | 0
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Real estate - construction(1) | Pass |  |  |  |  |
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 0 |  | 0 |  | 0
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Real estate - construction(1) | Special Mention |  |  |  |  |
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 0 |  | 0 |  | 0
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Real estate - construction(1) | Substandard or Lower |  |  |  |  |
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 0 |  | 0 |  | 0
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Commercial and industrial (1) |  |  |  |  |
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 1,885 |  | 1,885 |  | 0
Current period gross charge-offs |  |  | 0 |  | 0
Current period recoveries |  |  | 0 |  | 0
Total net (charge-offs) recoveries |  |  | 0 |  | 0
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Commercial and industrial (1) | Pass |  |  |  |  |
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 0 |  | 0 |  | 0
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Commercial and industrial (1) | Special Mention |  |  |  |  |
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 0 |  | 0 |  | 0
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Commercial and industrial (1) | Substandard or Lower |  |  |  |  |
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 1,885 |  | 1,885 |  | 0
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Real estate - commercial mortgage |  |  |  |  |
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 142 |  | 142 |  | 1,344
Current period gross charge-offs |  |  | 0 |  | 0
Current period recoveries |  |  | 0 |  | 0
Total net (charge-offs) recoveries |  |  | 0 |  | 0
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Real estate - commercial mortgage | Pass |  |  |  |  |
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 0 |  | 0 |  | 404
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Real estate - commercial mortgage | Special Mention |  |  |  |  |
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 105 |  | 105 |  | 0
Conversion to Term Loan [Member] | Portfolio Segment and Loan Class [Member] | Real estate - commercial mortgage | Substandard or Lower |  |  |  |  |
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 37 |  | 37 |  | 940
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] |  |  |  |  |
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 2,502 |  | 2,502 |  | 5,363
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Performing |  |  |  |  |
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 2,502 |  | 2,502 |  | 5,363
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Nonperforming Financial Instruments [Member] |  |  |  |  |
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 0 |  | 0 |  | 0
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Real-estate - home equity |  |  |  |  |
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 2,502 |  | 2,502 |  | 5,321
Current period gross charge-offs |  |  | 0 |  | 0
Current period recoveries |  |  | 0 |  | 0
Total net (charge-offs) recoveries |  |  | 0 |  | 0
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Real-estate - home equity | Performing |  |  |  |  |
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 2,502 |  | 2,502 |  | 5,321
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Real-estate - home equity | Nonperforming Financial Instruments [Member] |  |  |  |  |
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 0 |  | 0 |  | 0
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Real estate - residential mortgage |  |  |  |  |
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 0 |  | 0 |  | 0
Current period gross charge-offs |  |  | 0 |  | 0
Current period recoveries |  |  | 0 |  | 0
Total net (charge-offs) recoveries |  |  | 0 |  | 0
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Real estate - residential mortgage | Performing |  |  |  |  |
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 0 |  | 0 |  | 0
Conversion to Term Loan [Member] | Payment Activity, Aging Status [Member] | Real estate - residential mortgage | Nonperforming Financial Instruments [Member] |  |  |  |  |
Revolving Loans Amortized Cost Basis |  |  |  |  |
Total | 0 |  | 0 |  | 0
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Revolving Loans Amortized Cost Basis |  |  |  |  |
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Revolving Loans Amortized Cost Basis |  |  |  |  |
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Revolving Loans Amortized Cost Basis |  |  |  |  |
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Revolving Loans Amortized Cost Basis |  |  |  |  |
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