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ALLOWANCE FOR CREDIT LOSSES AND CREDIT QUALITY INFORMATION (Tables)
 3 Months Ended
Mar. 31, 2021
Receivables [Abstract]  
Schedule of Allowance for Loan Losses and Loan Balances
The following tables provide the activity of allowance for credit losses and loan balances for the three months ended March 31, 2021 and 2020. During the first quarter of 2021, the decrease to the allowance for credit losses was primarily due to positive economic developments in our forecasts and improved credit quality metrics with declines in our problem assets, nonperforming assets and delinquencies.
(Dollars in thousands)
Commercial and Industrial(1)
Owner-occupied
Commercial		Commercial
Mortgages		Construction
Residential(2)
Consumer(3)
Total
Three months ended March 31, 2021
Allowance for credit losses
Beginning balance$150,875 $9,615 $31,071 $12,190 $6,893 $18,160 $228,804 
Charge-offs(5,052)— — — — (424)(5,476)
Recoveries1,140 90 14 — 140 266 1,650 
Provision (credit)(21,093)(88)(540)2,097 (1,331)795 (20,160)
Ending balance$125,870 $9,617 $30,545 $14,287 $5,702 $18,797 $204,818 
Period-end allowance allocated to:
Loans evaluated on an individual basis$1 $— $11 $— $— $— $12 
Loans evaluated on a collective basis125,869 9,617 30,534 14,287 5,702 18,797 204,806 
Ending balance$125,870 $9,617 $30,545 $14,287 $5,702 $18,797 $204,818 
Period-end loan balances:
Loans evaluated on an individual basis
$20,902 $5,118 $4,280 $72 $5,649 $2,313 $38,334 
Loans evaluated on a collective basis2,642,570 1,328,871 1,971,686 784,029 665,931 1,137,721 8,530,808 
Ending balance
$2,663,472 $1,333,989 $1,975,966 $784,101 $671,580 $1,140,034 $8,569,142 
(1)Includes commercial small business leases and PPP loans.
(2)Period-end loan balance excludes reverse mortgages at fair value of $9.4 million.
(3)Includes home equity lines of credit, installment loans, unsecured lines of credit and education loans.


(Dollars in thousands)
Commercial and Industrial(1)
Owner -
occupied
Commercial		Commercial
Mortgages		Construction
Residential(2)
Consumer(3)
Total
Three months ended March 31, 2020
Allowance for credit losses
Beginning balance, prior to adoption of ASC 326$22,849 $4,616 $7,452 $3,891 $1,381 $7,387 $47,576 
Impact of adopting ASC 326(4)
19,747 (1,472)1,662 681 7,522 7,715 35,855 
Charge-offs(3,064)(283)(51)— (143)(914)(4,455)
Recoveries2,847 125 29 5 91 354 3,451 
Provision (credit)23,392 6,555 17,508 621 2,742 5,828 56,646 
Ending balance$65,771 $9,541 $26,600 $5,198 $11,593 $20,370 $139,073 
Period-end allowance allocated to:
Individually evaluated for impairment$20 $— $— $— $— $— $20 
Collectively evaluated for impairment 65,751 9,541 26,600 5,198 11,593 20,370 139,053 
Ending balance$65,771 $9,541 $26,600 $5,198 $11,593 $20,370 $139,073 
Period-end loan balances:
Individually evaluated for impairment
$8,843 $4,818 $4,691 $96 $6,152 $2,295 $26,895 
Collectively evaluated for impairment2,289,529 1,308,375 2,218,426 626,157 949,613 1,115,991 8,508,091 
Ending balance
$2,298,372 $1,313,193 $2,223,117 $626,253 $955,765 $1,118,286 $8,534,986 
(1)Includes commercial small business leases.
(2)Period-end loan balance excludes reverse mortgages at fair value of $15.8 million.
(3)Includes home equity lines of credit, installment loans, unsecured lines of credit and education loans.
(4)The impact of adopting ASC 326 includes $0.1 million for the initial allowance on loans purchased with credit deterioration.
Summary of Nonaccrual and Past Due Loans
March 31, 2021
(Dollars in thousands)30–89 Days
Past Due and
Still 
Accruing		Greater 
Than
90 Days
Past Due and
Still Accruing		Total Past
Due
And Still
Accruing		Accruing
Current
Balances
Nonaccrual Loans(1)
Total
Loans
Commercial and industrial(2)
$22,976 $352 $23,328 $2,619,507 $20,637 $2,663,472 
Owner-occupied commercial1,491 — 1,491 1,328,474 4,024 1,333,989 
Commercial mortgages4,229 84 4,313 1,970,011 1,642 1,975,966 
Construction— — — 784,101 — 784,101 
Residential(3)
967 750 1,717 666,690 3,173 671,580 
Consumer(4)
10,618 6,492 17,110 1,120,608 2,316 1,140,034 
Total
$40,281 $7,678 $47,959 $8,489,391 $31,792 $8,569,142 
% of Total Loans0.47 %0.09 %0.56 %99.07 %0.37 %100 %
(1)Nonaccrual loans with an allowance totaled $11 thousand.
(2)Includes commercial small business leases and PPP loans.
(3)Residential accruing current balances excludes reverse mortgages at fair value of $9.4 million.
(4)Includes $14.9 million of delinquent, but still accruing, U.S. government-guaranteed student loans that carry little risk of credit loss.

December 31, 2020
(Dollars in thousands)30–89 Days
Past Due and
Still 
Accruing		Greater 
Than
90 Days
Past Due and
Still Accruing		Total Past
Due
And Still
Accruing		Accruing
Current
Balances
Nonaccrual Loans(1)
Total
Loans
Commercial and industrial(2)
$7,313 $3,652 $10,965 $2,924,522 $13,816 $2,949,303 
Owner-occupied commercial3,120 892 4,012 1,323,355 5,360 1,332,727 
Commercial mortgages5,944 1,090 7,034 2,061,853 17,175 2,086,062 
Construction371 — 371 715,904 — 716,275 
Residential(3)
3,049 25 3,074 758,072 3,247 764,393 
Consumer(4)
8,355 11,035 19,390 1,144,217 2,310 1,165,917 
Total(4)
$28,152 $16,694 $44,846 $8,927,923 $41,908 $9,014,677 
% of Total Loans0.31 %0.19 %0.50 %99.04 %0.46 %100 %
(1)Nonaccrual loans with an allowance totaled $13 thousand
(2)Includes commercial small business leases and PPP loans.
(3)Residential accruing current balances excludes reverse mortgages, at fair value of $10.1 million.
(4)Includes $18.2 million of delinquent, but still accruing, U.S. government-guaranteed student loans that carry little risk of credit loss.
Schedule Of Collateral Dependent Loans
The following table presents the amortized cost basis of nonaccruing collateral-dependent loans by class at March 31, 2021 and December 31, 2020:
March 31, 2021December 31, 2020
(Dollars in thousands)Property
Equipment and other
Property
Equipment and other
Commercial and industrial(1)
$12,099 $8,538 $10,646 $3,170 
Owner-occupied commercial4,024 — 5,360 — 
Commercial mortgages1,642 — 17,175 — 
Construction— — — — 
Residential(2)
3,173 — 3,247 — 
Consumer(3)
2,301 15 2,294 16 
Total$23,239 $8,553 $38,722 $3,186 
(1)Includes commercial small business leases.
(2)Excludes reverse mortgages at fair value.
(3)Includes home equity lines of credit, installment loans, unsecured lines of credit and education loans.
Schedule of Commercial Credit Exposure
The following tables provide an analysis of loans by portfolio segment based on the credit quality indicators used to determine the allowance for credit losses as of March 31, 2021.
Term Loans Amortized Cost Basis by Origination Year
20212020201920182017
Prior
Revolving loans amortized cost basisRevolving loans converted to termTotal
(Dollars in thousands)
Commercial and industrial(1):
Risk Rating
Pass(2)
$112,581 $986,574 $383,055 $274,606 $151,043 $187,874 $5,709 $143,889 $2,245,331 
Special mention1,550 815 37,613 28,668 942 18,648 — 34,036 122,272 
Substandard or Lower7,034 71,567 58,994 56,330 50,763 43,356 62 7,763 295,869 
$121,165 $1,058,956 $479,662 $359,604 $202,748 $249,878 $5,771 $185,688 $2,663,472 
Owner-occupied commercial:
Risk Rating
Pass$40,014 $232,324 $212,673 $84,860 $142,445 $363,429 $— $121,496 $1,197,241 
Special mention778 1,174 5,835 1,705 9,044 6,757 — 14,262 39,555 
Substandard or Lower— 7,459 15,518 14,427 19,915 29,062 — 10,812 97,193 
$40,792 $240,957 $234,026 $100,992 $171,404 $399,248 $— $146,570 $1,333,989 
Commercial mortgages:
Risk Rating
Pass$109,202 $353,005 $267,193 $170,932 $243,730 $537,153 $— $182,473 $1,863,688 
Special mention1,265 8,246 1,760 1,203 21,144 7,689 — 1,860 43,167 
Substandard or Lower— 13,312 25,631 2,236 1,575 25,837 — 520 69,111 
$110,467 $374,563 $294,584 $174,371 $266,449 $570,679 $— $184,853 $1,975,966 
Construction:
Risk Rating
Pass$39,632 $224,919 $212,469 $178,058 $11,294 $10,487 $— $79,160 $756,019 
Special mention7,921 — — — 3,515 — — — 11,436 
Substandard or Lower4,200 282 9,662 — 100 73 — 2,329 16,646 
$51,753 $225,201 $222,131 $178,058 $14,909 $10,560 $— $81,489 $784,101 
Residential(3):
Risk Rating
Performing$1,380 $31,174 $20,546 $58,477 $72,036 $482,317 $— $— $665,930 
Nonperforming(4)
— 113 — — 63 5,474 — — 5,650 
$1,380 $31,287 $20,546 $58,477 $72,099 $487,791 $— $— $671,580 
Consumer(5):
Risk Rating
Performing$19,777 $259,801 $116,173 $228,290 $55,206 $85,986 $364,272 $7,880 $1,137,385 
Nonperforming(6)
— — 33 629 226 — 1,379 382 2,649 
$19,777 $259,801 $116,206 $228,919 $55,432 $85,986 $365,651 $8,262 $1,140,034 
(1)Includes commercial small business leases.
(2)Includes $526.8 million of PPP loans.
(3)Excludes reverse mortgages at fair value.
(4)Includes troubled debt restructured mortgages performing in accordance with the loans' modified terms and are accruing interest.
(5)Includes home equity lines of credit, installment loans, unsecured lines of credit and education loans.
(6)Includes troubled debt restructured home equity installment loans performing in accordance with the loans' modified terms and are accruing interest.
The following tables provide an analysis of loans by portfolio segment based on the credit quality indicators used to determine the allowance for credit losses, as of December 31, 2020.
Term Loans Amortized Cost Basis by Origination Year
20202019201820172016
Prior
Revolving loans amortized cost basisRevolving loans converted to termTotal
(Dollars in thousands)
Commercial and industrial(1):
Risk Rating
Pass(2)
$1,250,528 $448,704 $296,594 $157,359 $97,036 $125,361 $6,182 $136,110 $2,517,874 
Special mention3,040 26,470 28,636 8,482 2,577 16,993 — 34,403 120,601 
Substandard or Lower82,868 60,227 57,880 50,446 15,151 35,150 63 9,043 310,828 
$1,336,436 $535,401 $383,110 $216,287 $114,764 $177,504 $6,245 $179,556 $2,949,303 
Owner-occupied commercial:
Risk Rating
Pass$220,165 $225,766 $90,515 $135,903 $123,897 $271,086 $— $123,194 $1,190,526 
Special mention1,525 5,885 1,838 17,578 4,125 1,997 — 14,467 47,415 
Substandard or Lower3,703 13,426 15,272 19,883 11,581 19,331 — 11,590 94,786 
$225,393 $245,077 $107,625 $173,364 $139,603 $292,414 $— $149,251 $1,332,727 
Commercial mortgages:
Risk Rating
Pass$379,592 $283,004 $240,924 $257,809 $254,780 $375,473 $— $148,210 $1,939,792 
Special mention8,324 1,774 21,762 21,269 1,274 6,507 — 1,870 62,780 
Substandard or Lower26,343 25,402 2,253 1,950 3,242 24,300 — — 83,490 
$414,259 $310,180 $264,939 $281,028 $259,296 $406,280 $— $150,080 $2,086,062 
Construction:
Risk Rating
Pass$189,257 $214,956 $208,981 $11,414 $7,414 $3,645 $— $66,018 $701,685 
Special mention— — — 3,515 — — — — 3,515 
Substandard or Lower— 8,648 — — — 79 — 2,348 11,075 
$189,257 $223,604 $208,981 $14,929 $7,414 $3,724 $— $68,366 $716,275 
Residential(3):
Risk Rating
Performing$42,475 $26,309 $71,410 $85,277 $149,643 $383,358 $— $— $758,472 
Nonperforming(4)
113 — — — 283 5,525 — — 5,921 
$42,588 $26,309 $71,410 $85,277 $149,926 $388,883 $— $— $764,393 
Consumer(5):
Risk Rating
Performing$235,948 $134,064 $251,087 $63,713 $44,700 $53,717 $371,842 $8,287 $1,163,358 
Nonperforming(6)
— — 636 232 — — 1,396 295 2,559 
$235,948 $134,064 $251,723 $63,945 $44,700 $53,717 $373,238 $8,582 $1,165,917 
(1)Includes commercial small business leases.
(2)Includes $751.2 million of PPP loans.
(3)Excludes reverse mortgages at fair value.
(4)Includes troubled debt restructured mortgages performing in accordance with the loans' modified terms and are accruing interest.
(5)Includes home equity lines of credit, installment loans, unsecured lines of credit and education loans.
(6)Includes troubled debt restructured home equity installment loans performing in accordance with the loans' modified terms and are accruing interest.
Schedule of Loans Identified as Troubled Debt Restructurings During Periods Indicated
The following table presents the balance of TDRs as of the indicated dates:
(Dollars in thousands)March 31, 2021December 31, 2020
Performing TDRs$15,684 $15,539 
Nonperforming TDRs3,101 4,601 
Total TDRs$18,785 $20,140 

Approximately $0.2 million and less than $0.1 million in related reserves have been established for these loans at March 31, 2021 and December 31, 2020, respectively. The following tables present information regarding the types of loan modifications made for the three months ended March 31, 2021 and 2020:
Three months ended March 31, 2021
Contractual payment reduction and term extensionMaturity Date ExtensionDischarged in bankruptcy
Other(1)
Total
Residential— — 2 — 2 
Consumer— — 19 — 19 
Total— — 21 — 21 

Three months ended March 31, 2020
Contractual payment reduction and term extensionMaturity Date ExtensionDischarged in bankruptcy
Other(1)
Total
Commercial and industrial1 — — — 1 
Owner-occupied commercial1 — — — 1 
Commercial mortgages— 1 — — 1 
Residential— — 1 1 2 
Consumer— — 3 2 5 
Total2 1 4 3 10 
(1)Other includes underwriting exceptions.
Principal balances are generally not forgiven when a loan is modified as a TDR. Nonaccruing restructured loans remain in nonaccrual status until there has been a period of sustained repayment performance, which is typically six months, and repayment is reasonably assured. The following table presents loans modified as TDRs during the three months ended March 31, 2021 and 2020.
Three Months Ended March 31,
20212020
(Dollars in thousands)Pre ModificationPost ModificationPre ModificationPost Modification
Commercial$— $— $20 $20 
Owner-occupied commercial— — 650 650 
Commercial mortgages— — 110 110 
Residential167 167 226 226 
Consumer830 830 247 247 
Total$997 $997 $1,253 $1,253