Allowance for Credit Losses (Tables)

3 Months Ended

Mar. 31, 2021

Receivables [Abstract]

Schedule of Loans Credit Quality Indicators

The following tables presents loan balances by year of origination and internally assigned risk rating for our portfolio segments as of the dates presented:

	March 31, 2021
	Risk Rating
(dollars in thousands)	2021		2020		2019		2018		2017		2016 and Prior		Revolving		Revolving-Term		Total
Commercial real estate
Pass	$	96,988	$	319,206	$	444,668	$	376,347	$	258,362	$	850,342	$	44,872	—		$	2,390,785
Special mention	—		450		35,420		8,342		22,541		113,614		—		—		180,367
Substandard	—		—		17,259		15,772		19,894		146,624		1,482		—		201,030
Doubtful	—		—		645		—		—		7,499		—		—		8,144
Total commercial real estate	96,988		319,656		497,992		400,461		300,796		1,118,080		46,354		—		2,780,327
Commercial and industrial
Pass	252,427		478,363		168,546		110,278		55,096		179,887		361,828		—		1,606,425
Special mention	—		3,090		28,623		3,562		180		1,289		17,718		—		54,461
Substandard	5,476		—		6,165		4,415		5,778		12,715		4,153		—		38,701
Doubtful	—		—		—		—		—		—		—		—		—
Total commercial and industrial	257,902		481,453		203,334		118,255		61,054		193,891		383,699		—		1,699,588
Commercial construction
Pass	24,730		127,643		195,245		53,248		2,059		10,856		13,232		—		427,012
Special mention	—		3,490		2,862		—		—		8,478		—		—		14,830
Substandard	—		—		4,148		—		501		2,967		—		—		7,616
Doubtful	—		—		—		—		—		—		—		—		—
Total commercial construction	24,730		131,133		202,255		53,248		2,560		22,301		13,232		—		449,459
Business banking
Pass	34,568		121,017		167,764		134,358		89,027		362,534		110,572		265		1,020,105
Special mention	—		502		1,972		1,379		1,621		7,759		287		122		13,642
Substandard	—		72		1,267		3,777		2,990		25,409		1,141		674		35,330
Doubtful	—		—		—		—		—		—		—		—		—
Total business banking	34,568		121,591		171,003		139,513		93,638		395,703		112,001		1,061		1,069,078
Consumer real estate
Pass	20,000		116,640		110,942		58,166		55,435		267,411		436,449		23,550		1,088,594
Special mention	—		—		—		—		—		2,246		—		—		2,246
Substandard	—		—		186		2,089		1,506		7,896		503		1,080		13,260
Doubtful	—		—		—		—		—		—		—		—		—
Total consumer real estate	20,000		116,640		111,128		60,255		56,942		277,553		436,952		24,630		1,104,099
Other consumer
Pass	872		14,119		11,576		5,723		2,673		2,283		35,151		955		73,354
Special mention	—		—		—		—		—		—		—		—		—
Substandard	—		—		109		125		104		4,968		374		1,579		7,260
Doubtful	—		—		—		—		—		4		—		—		4
Total other consumer	872		14,119		11,686		5,848		2,778		7,255		35,525		2,534		80,618
Pass	429,585		1,176,989		1,098,741		738,120		462,653		1,673,313		1,002,104		24,770		6,606,275
Special mention	—		7,532		68,876		13,283		24,342		133,387		18,005		122		265,547
Substandard	5,476		72		29,134		26,177		30,773		200,579		7,653		3,332		303,198
Doubtful	—		—		645		—		—		7,503		—		—		8,148
Total	$	435,060	$	1,184,593	$	1,197,397	$	777,580	$	517,769	$	2,014,783	$	1,027,762	$	28,225	$	7,183,168

	December 31, 2020
	Risk Rating
(dollars in thousands)	2020		2019		2018		2017		2016		2015 and Prior		Revolving		Revolving-Term		Total
Commercial real estate
Pass	$	334,086	$	422,800	$	394,963	$	277,724	$	307,321	$	615,217	$	46,330	$	—	$	2,398,441
Special mention	—		35,499		10,200		22,502		55,174		75,022		—		—		198,397
Substandard	—		17,259		12,781		19,914		50,700		83,792		1,500		—		185,946
Doubtful	—		645		—		—		1,989		6,529		—		—		9,163
Total commercial real estate	334,086		476,203		417,944		320,140		415,184		780,560		47,830		—		2,791,947
Commercial and industrial
Pass	454,131		199,453		140,049		68,607		27,645		206,782		383,082		—		1,479,749
Special mention	3,697		8,211		2,628		697		768		1,046		23,527		—		40,574
Substandard	—		7,793		2,613		8,544		75		13,781		2,022		—		34,828
Doubtful	—		—		—		4,401		—		—		—		—		4,401
Total commercial and industrial	457,828		215,457		145,290		82,249		28,488		221,609		408,631		—		1,559,552
Commercial construction
Pass	131,235		224,794		59,649		2,420		6,346		4,555		12,778		—		441,777
Special mention	1,578		2,533		3,886		—		—		8,593		—		—		16,590
Substandard	—		3,580		—		501		—		3,629		—		—		7,710
Doubtful	—		—		—		—		—		—		—		—		—
Total commercial construction	132,813		230,907		63,535		2,921		6,346		16,777		12,778		—		466,077
Business banking
Pass	296,254		154,335		123,207		86,552		77,238		266,042		103,571		291		1,107,490
Special mention	—		1,060		1,147		1,602		1,084		6,866		637		123		12,519
Substandard	103		1,078		3,896		3,209		3,880		25,871		1,341		680		40,058
Doubtful	—		—		—		—		—		—		—		—		—
Total business banking	296,357		156,473		128,250		91,363		82,202		298,779		105,549		1,094		1,160,067
Consumer real estate
Pass	120,736		122,171		67,700		63,653		73,805		243,939		438,888		22,667		1,153,559
Special mention	—		—		1,489		—		—		150		132		—		1,771
Substandard	—		373		742		1,480		2,449		6,958		—		—		12,002
Doubtful	—		—		—		—		—		—		—		—		—
Total consumer real estate	120,736		122,544		69,931		65,133		76,254		251,047		439,020		22,667		1,167,332
Other consumer
Pass	18,849		13,162		6,784		3,395		2,082		687		26,647		2,767		74,373
Special mention	—		—		—		—		—		—		—		—		—
Substandard	15		—		—		—		—		3,367		744		2,386		6,512
Doubtful	—		—		—		—		—		—		—		—		—
Total other consumer	18,864		13,162		6,784		3,395		2,082		4,054		27,391		5,153		80,885
Pass	1,355,291		1,136,715		792,352		502,350		494,436		1,337,221		1,011,297		25,726		6,655,389
Special Mention	5,274		47,302		19,350		24,802		57,026		91,677		24,296		123		269,851
Substandard	118		30,083		20,032		33,648		57,105		137,398		5,607		3,066		287,056
Doubtful	—		645		—		4,401		1,989		6,529		—		—		13,564
Total	$	1,360,684	$	1,214,746	$	831,734	$	565,201	$	610,556	$	1,572,826	$	1,041,199	$	28,914	$	7,225,860

The following tables presents loan balances by year of origination and performing and nonperforming status for our portfolio segments as of March 31, 2021 and December 31, 2020:

	March 31, 2021
(dollars in thousands)	2021		2020		2019		2018		2017		2016 and Prior		Revolving		Revolving-Term		Total
Commercial real estate
Performing	$	96,988	$	319,656	$	481,588	$	400,461	$	294,122	$	1,046,085	$	46,354	$	—	$	2,685,253
Nonperforming	—		—		16,404		—		6,674		71,995		—		—		95,074
Total commercial real estate	96,988		319,656		497,992		400,461		300,796		1,118,080		46,354		—		2,780,327
Commercial and industrial
Performing	252,427		481,453		203,334		117,623		55,366		193,614		383,355		—		1,687,172
Nonperforming(1)	5,476		—		—		631		5,689		276		344		—		12,416
Total commercial and industrial	257,902		481,453		203,334		118,255		61,054		193,891		383,699		—		1,699,588
Commercial construction
Performing	24,730		131,133		202,255		53,248		2,560		21,917		13,232		—		449,074
Nonperforming	—		—		—		—		—		384		—		—		384
Total commercial construction	24,730		131,133		202,255		53,248		2,560		22,301		13,232		—		449,459
Business Banking
Performing	34,568		121,591		170,640		137,748		92,837		384,332		111,932		1,004		1,054,651
Nonperforming	—		—		362		1,765		801		11,371		69		57		14,426
Total business banking	34,568		121,591		171,003		139,513		93,638		395,703		112,001		1,061		1,069,078
Consumer real estate
Performing	20,000		116,640		110,249		59,931		56,397		272,547		436,628		23,759		1,096,150
Nonperforming	—		—		880		324		545		5,006		324		871		7,949
Total consumer real estate	20,000		116,640		111,128		60,255		56,942		277,553		436,952		24,630		1,104,099
Other consumer
Performing	872		14,119		11,485		5,848		2,697		5,689		35,346		2,397		78,455
Nonperforming	—		—		201		—		81		1,566		179		137		2,163
Total other consumer	872		14,119		11,686		5,848		2,778		7,255		35,525		2,534		80,618
Performing	429,585		1,184,593		1,179,550		774,859		503,978		1,924,183		1,026,847		27,160		7,050,755
Nonperforming	5,476		—		17,847		2,720		13,790		90,599		915		1,065		132,413
Total	$	435,060	$	1,184,593	$	1,197,397	$	777,580	$	517,769	$	2,014,783	$	1,027,762	$	28,225	$	7,183,168
(1) In addition to nonperforming loans of $132.4 million, we have a $2.8 million commercial and industrial held for sale loan that is nonperforming resulting in total nonperforming loans of $135.2 million.

	December 31, 2020
(dollars in thousands)	2020		2019		2018		2017		2016		2015 and Prior		Revolving		Revolving-Term		Total
Commercial real estate
Performing	$	334,086	$	459,799	$	417,944	$	313,465	$	394,972	$	722,782	$	47,830	$	—	$	2,690,879
Nonperforming	—		16,404		—		6,675		20,212		57,778		—		—		101,070
Total commercial real estate	334,086		476,203		417,944		320,140		415,184		780,560		47,830		—		2,791,947
Commercial and industrial
Performing	457,828		214,144		143,706		69,411		28,426		220,701		408,350		—		1,542,566
Nonperforming	—		1,313		1,584		12,838		62		908		281		—		16,985
Total commercial and industrial	457,828		215,457		145,290		82,249		28,488		221,609		408,631		—		1,559,552
Commercial construction
Performing	132,813		230,907		63,535		2,921		6,346		16,393		12,778		—		465,692
Nonperforming	—		—		—		—		—		384		—		—		384
Total commercial construction	132,813		230,907		63,535		2,921		6,346		16,777		12,778		—		466,077
Business Banking
Performing	296,327		156,164		126,432		90,414		80,106		286,970		105,494		1,037		1,142,944
Nonperforming	30		309		1,818		949		2,096		11,809		55		57		17,123
Total business banking	296,357		156,473		128,250		91,363		82,202		298,779		105,549		1,094		1,160,067
Consumer real estate
Performing	120,736		122,315		69,225		63,647		74,690		245,331		438,702		21,572		1,156,216
Nonperforming	—		229		706		1,486		1,564		5,716		318		1,096		11,116
Total consumer real estate	120,736		122,544		69,931		65,133		76,254		251,047		439,020		22,667		1,167,332
Other consumer
Performing	18,864		13,162		6,784		3,395		2,082		3,958		27,391		5,153		80,789
Nonperforming	—		—		—		—		—		96		—		—		96
Total other consumer	18,864		13,162		6,784		3,395		2,082		4,054		27,391		5,153		80,885
Performing	1,360,654		1,196,491		827,625		543,253		586,622		1,496,135		1,040,544		27,762		7,079,086
Nonperforming	30		18,254		4,108		21,948		23,934		76,691		654		1,153		146,774
Total	$	1,360,684	$	1,214,746	$	831,734	$	565,201	$	610,556	$	1,572,826	$	1,041,199	$	28,914	$	7,225,860

The following tables present collateral-dependent loans by class of loan as of the dates presented:

	March 31, 2021
	Type of Collateral
(dollars in thousands)	Real Estate		Business Assets		Investment/Cash		Other
Commercial real estate	$	86,683	$	—	$	5,350	$	—
Commercial and industrial	335		11,968		—		—
Commercial construction	3,245		—		—		—
Business banking	1,856		12		—		—
Consumer real estate	345		—		—		—
Total	$	92,464	$	11,980	$	5,350	$	—

	December 31, 2020
	Type of Collateral
(dollars in thousands)	Real Estate		Business Assets		Investment/Cash		Other
Commercial real estate	$	100,450	$	—	$	—	$	—
Commercial and industrial	1,040		15,080		—		—
Commercial construction	3,552		—		—		—
Business banking	3,085		1,619		—		689
Consumer real estate	398		—		—		—
Total	$	108,525	$	16,699	$	—	$	689

Schedule of Age Analysis of Past Due Loans Segregated by Class of Loans

The following tables present the age analysis of past due loans segregated by class of loans as of the dates presented:

	March 31, 2021
(dollars in thousands)	Current		30-59 Days Past Due		60-89 Days Past Due		Non - performing		Total Past Due Loans		Total Loans
Commercial real estate	$	2,685,253	$	—	$	—	$	95,074	$	95,074	$	2,780,327
Commercial and industrial(1)	1,687,172		—		—		12,416		12,416		1,699,588
Commercial construction	449,074		—		—		384		384		449,459
Business banking	1,053,430		1,191		30		14,426		15,647		1,069,078
Consumer real estate	1,094,601		1,444		104		7,949		9,498		1,104,099
Other consumer	78,314		102		39		2,163		2,304		80,618
Total(2)	$	7,047,844	$	2,737	$	174	$	132,413	$	135,324	$	7,183,168

(1)In addition to nonperforming loans of $132.4 million, we have a $2.8 million commercial and industrial held for sale loan that is nonperforming resulting in total nonperforming loans of $135.2 million.

(2) We had 40 loans that were modified totaling $61.8 million under the CARES Act at March 31, 2021. These customers were not considered past due as a result of their delayed payments. Upon exiting the loan modification deferral program, the measurement of loan delinquency will resume where it left off upon entry into the program. Due to the modification program, this delinquency table may not accurately reflect the credit risk associated with these loans.

	December 31, 2020
(dollars in thousands)	Current		30-59 Days Past Due		60-89 Days Past Due		90 Days Past Due (2)		Non - performing		Total Past Due Loans		Total Loans
Commercial real estate	$	2,690,877	$	—	$	—	$	—	$	101,070	$	101,070	$	2,791,947
Commercial and industrial	1,542,567		—		—		—		16,985		16,985		1,559,552
Commercial construction	462,094		19		3,580		—		384		3,983		466,077
Business banking	1,140,581		1,614		379		371		17,122		19,486		1,160,067
Consumer real estate	1,153,028		1,087		1,968		132		11,117		14,304		1,167,332
Other consumer	80,583		168		37		—		96		302		80,885
Total(1)	$	7,069,730	$	2,888	$	5,965	$	503	$	146,774	$	156,130	$	7,225,860
(1) We had 52 loans that were modified totaling $195.6 million under the CARES Act at December 31, 2020. These customers were not considered past due as a result of their delayed payments. Upon exiting the loan modification deferral program, the measurement of loan delinquency will resume where it left off upon entry into the program. Due to the modification program, this delinquency table may not accurately reflect the credit risk associated with these loans. (2) Represents acquired loans that were recorded at fair value at the acquisition date and remain performing at December 31, 2020.

Schedule of Loans on Nonaccrual Status and Loans Past Due 90 days Or More

The following table is a summary of nonperforming assets as of the dates presented:

	Nonperforming Assets
(dollars in thousands)	March 31, 2021			December 31, 2020
Nonperforming Assets
Nonaccrual loans		$	102,430		$	117,485
Nonaccrual TDRs		29,983			29,289
Total Nonaccrual Loans(1)		132,413			146,774
OREO		1,620			2,155
Total Nonperforming Assets		$	134,033		$	148,929
(1)In addition to nonperforming loans of $132.4 million, we have a $2.8 million commercial and industrial held for sale loan that is nonperforming resulting in total nonperforming loans of $135.2 million.

The following table presents loans on nonaccrual status by class of loan:

									March 31, 2021
	March 31, 2021								For the three months ended
(dollars in thousands)	Beginning of Period Nonaccrual		End of Period Nonaccrual		Nonaccrual With No Related Allowance		Past Due 90+ Days Still Accruing		Interest Income Recognized on Nonaccrual(1)
Commercial real estate	$	101,070	$	95,074	$	52,460	$	—	$	61
Commercial and industrial(2)	16,985		12,416		11,425		—		43
Commercial construction	384		384		—		—		—
Business banking	17,122		14,426		397		—		137
Consumer real estate	11,117		7,949		345		—		110
Other consumer	96		2,163		—		—		1
Total	$	146,774	$	132,413	$	64,628	$—		$	352

(1) Represents only cash payments received and applied to interest on nonaccrual loans.

(2)In addition to nonperforming loans of $132.4 million, we have a $2.8 million commercial and industrial held for sale loan that is nonperforming resulting in total nonperforming loans of $135.2 million.

									December 31, 2020
	December 31, 2020								For the twelve months ended
(dollars in thousands)	Beginning of Period Nonaccrual		End of Period Nonaccrual		Nonaccrual With No Related Allowance		Past Due 90+ Days Still Accruing		Interest Income Recognized on Nonaccrual(1)
Commercial real estate	$	25,356	$	101,070	$	60,401	$	—	$	22
Commercial and industrial	10,911		16,985		6,436		—		101
Commercial construction	737		384		285		—		—
Business banking	9,863		17,122		3,890		371		275
Consumer real estate	6,063		11,117		398		132		423
Other consumer	1,127		96		—		—		4
Total	$	54,057	$	146,774	$	71,410	$	503	$	826

(1) Represents only cash payments received and applied to interest on nonaccrual loans.

Schedule of Allowance for Credit Loss

The following tables present activity in the ACL for the periods presented:

	Three Months Ended March 31, 2021
(dollars in thousands)	Commercial Real Estate		Commercial and Industrial		Commercial Construction		Business Banking		Consumer Real Estate		Other Consumer		Total Loans
Allowance for credit losses on loans:
Balance at beginning of period	$	65,656	$	16,100	$	7,239	$	15,917	$	10,014	$	2,686	$	117,612
Provision for credit losses on loans(1)	1,996		2,728		(911)		514		(844)		(182)		3,301
Charge-offs	(810)		(4,302)		—		(917)		(271)		(232)		(6,532)
Recoveries	—		137		1		166		82		334		720
Net (Charge-offs)/Recoveries	(810)		(4,165)		1		(751)		(189)		102		(5,812)
Balance at End of Period	$	66,842	$	14,663	$	6,329	$	15,680	$	8,981	$	2,606	$	115,101
(1) Excludes unfunded commitments

	Three Months Ended March 31, 2020
(dollars in thousands)	Commercial Real Estate		Commercial and Industrial		Commercial Construction		Business Banking		Consumer Real Estate		Other Consumer		Total Loans
Allowance for credit losses on loans:
Balance at beginning of period	$	30,577	$	15,681	$	7,900	$	—	$	6,337	$	1,729	$	62,224
Impact of CECL adoption	4,810		7,853		(3,376)		12,898		4,525		642		27,352
Provision for credit losses on loans(1)	7,639		6,196		2,309		1,194		472		620		18,430
Charge-offs	(442)		(9,879)		(229)		(460)		(172)		(248)		(11,430)
Recoveries	27		19		2		74		38		114		274
Net (Charge-offs)/Recoveries	(415)		(9,860)		(227)		(386)		(134)		(134)		(11,156)
Balance at End of Period	$	42,611	$	19,870	$	6,606	$	13,706	$	11,200	$	2,857	$	96,850

(1) Excludes unfunded commitments