Loans (Tables)

6 Months Ended

Jun. 30, 2016

Receivables [Abstract]

Summary of loans under portfolio

A summary of loans follows:

	June 30, 2016		December 31, 2015		June 30, 2015
	(In thousands)
Commercial loan portfolio:
Commercial	$	1,953,301	$	1,905,879	$	1,754,873
Commercial real estate	2,157,733		2,112,162		2,243,513
Real estate construction and land development	285,848		232,076		112,312
Subtotal	4,396,882		4,250,117		4,110,698
Consumer loan portfolio:
Residential mortgage	1,494,192		1,429,636		1,310,167
Consumer installment	1,048,622		877,457		887,907
Home equity	707,573		713,937		725,971
Subtotal	3,250,387		3,021,030		2,924,045
Total loans	$	7,647,269	$	7,271,147	$	7,034,743

Recorded investment of loans in the commercial loan portfolio by risk rating categories

The following schedule presents the recorded investment of loans in the commercial loan portfolio by risk rating categories at June 30, 2016, December 31, 2015 and June 30, 2015:

	Commercial		Commercial Real Estate		Real Estate Construction and Land Development		Total
	(In thousands)
June 30, 2016
Originated Portfolio:
Risk Grades 1-5	$	1,537,612	$	1,479,365	$	239,194	$	3,256,171
Risk Grade 6	46,202		36,814		843		83,859
Risk Grade 7	35,602		15,434		517		51,553
Risk Grade 8	14,577		21,324		496		36,397
Risk Grade 9	—		1		—		1
Subtotal	1,633,993		1,552,938		241,050		3,427,981
Acquired Portfolio:
Risk Grades 1-5	292,492		554,352		40,671		887,515
Risk Grade 6	15,352		20,746		1,500		37,598
Risk Grade 7	8,448		23,879		1,229		33,556
Risk Grade 8	3,016		5,818		1,398		10,232
Risk Grade 9	—		—		—		—
Subtotal	319,308		604,795		44,798		968,901
Total	$	1,953,301	$	2,157,733	$	285,848	$	4,396,882
December 31, 2015
Originated Portfolio:
Risk Grades 1-5	$	1,418,301	$	1,341,202	$	183,323	$	2,942,826
Risk Grade 6	34,727		31,036		180		65,943
Risk Grade 7	39,933		26,658		1,123		67,714
Risk Grade 8	26,459		25,163		521		52,143
Risk Grade 9	2,095		—		—		2,095
Subtotal	1,521,515		1,424,059		185,147		3,130,721
Acquired Portfolio:
Risk Grades 1-5	340,782		629,430		41,683		1,011,895
Risk Grade 6	28,321		23,926		2,556		54,803
Risk Grade 7	11,607		29,975		1,537		43,119
Risk Grade 8	3,654		4,772		1,153		9,579
Risk Grade 9	—		—		—		—
Subtotal	384,364		688,103		46,929		1,119,396
Total	$	1,905,879	$	2,112,162	$	232,076	$	4,250,117
June 30, 2015
Originated Portfolio:
Risk Grades 1-5	$	1,269,091	$	1,273,725	$	97,364	$	2,640,180
Risk Grade 6	32,189		34,677		433		67,299
Risk Grade 7	41,316		29,737		2,127		73,180
Risk Grade 8	17,260		25,283		502		43,045
Risk Grade 9	—		4		—		4
Subtotal	1,359,856		1,363,426		100,426		2,823,708
Acquired Portfolio:
Risk Grades 1-5	347,914		820,400		10,139		1,178,453
Risk Grade 6	29,412		22,796		71		52,279
Risk Grade 7	13,910		30,288		119		44,317
Risk Grade 8	3,781		6,603		1,557		11,941
Risk Grade 9	—		—		—		—
Subtotal	395,017		880,087		11,886		1,286,990
Total	$	1,754,873	$	2,243,513	$	112,312	$	4,110,698

Recorded investment of loans in the consumer loan portfolio based on the credit risk profile of loans in a performing and nonperforming status

The following schedule presents the recorded investment of loans in the consumer loan portfolio based on loans in a performing status and loans in a nonperforming status at June 30, 2016, December 31, 2015 and June 30, 2015:

	Residential Mortgage		Consumer Installment		Home Equity		Total Consumer
	(In thousands)
June 30, 2016
Originated Loans:
Performing	$	1,299,382	$	1,041,978	$	598,283	$	2,939,643
Nonperforming	7,983		285		3,042		11,310
Subtotal	1,307,365		1,042,263		601,325		2,950,953
Acquired Loans:
Performing	185,492		6,298		105,360		297,150
Nonperforming	1,335		61		888		2,284
Subtotal	186,827		6,359		106,248		299,434
Total	$	1,494,192	$	1,048,622	$	707,573	$	3,250,387
December 31, 2015
Originated Loans:
Performing	$	1,207,945	$	868,975	$	587,566	$	2,664,486
Nonperforming	9,030		451		3,246		12,727
Subtotal	1,216,975		869,426		590,812		2,677,213
Acquired Loans:
Performing	210,580		7,984		122,118		340,682
Nonperforming	2,081		47		1,007		3,135
Subtotal	212,661		8,031		123,125		343,817
Total	$	1,429,636	$	877,457	$	713,937	$	3,021,030
June 30, 2015
Originated Loans:
Performing	$	1,058,696	$	871,543	$	584,520	$	2,514,759
Nonperforming	9,793		393		2,357		12,543
Subtotal	1,068,489		871,936		586,877		2,527,302
Acquired Loans:
Performing	238,698		15,966		138,086		392,750
Nonperforming	2,980		5		1,008		3,993
Subtotal	241,678		15,971		139,094		396,743
Total	$	1,310,167	$	887,907	$	725,971	$	2,924,045

Summary of nonperforming loans

A summary of nonperforming loans follows:

	June 30, 2016		December 31, 2015		June 30, 2015
	(In thousands)
Nonaccrual loans:
Commercial	$	14,577	$	28,554	$	17,260
Commercial real estate	21,325		25,163		25,287
Real estate construction and land development	496		521		502
Residential mortgage	5,343		5,557		6,004
Consumer installment	285		451		393
Home equity	1,971		1,979		1,769
Total nonaccrual loans	43,997		62,225		51,215
Accruing loans contractually past due 90 days or more as to interest or principal payments:
Commercial	3		364		711
Commercial real estate	3		254		56
Residential mortgage	407		402		424
Home equity	1,071		1,267		588
Total accruing loans contractually past due 90 days or more as to interest or principal payments	1,484		2,287		1,779
Nonperforming TDRs:
Commercial loan portfolio	14,240		16,297		14,547
Consumer loan portfolio	2,233		3,071		3,365
Total nonperforming TDRs	16,473		19,368		17,912
Total nonperforming loans	$	61,954	$	83,880	$	70,906

Schedule of Impaired loans by classes

The following schedule presents impaired loans by classes of loans at June 30, 2016, December 31, 2015 and June 30, 2015:

	Recorded Investment		Unpaid Principal Balance		Related Valuation Allowance
	(In thousands)
June 30, 2016
Impaired loans with a valuation allowance:
Commercial	$	3,764	$	3,769	$	2,582
Commercial real estate	3,270		3,438		472
Residential mortgage	20,745		20,745		163
Subtotal	27,779		27,952		3,217
Impaired loans with no related valuation allowance:
Commercial	34,633		43,576		—
Commercial real estate	47,894		58,312		—
Real estate construction and land development	2,196		3,770		—
Residential mortgage	6,678		7,365		—
Consumer installment	347		365		—
Home equity	2,859		3,084		—
Subtotal	94,607		116,472		—
Total impaired loans:
Commercial	38,397		47,345		2,582
Commercial real estate	51,164		61,750		472
Real estate construction and land development	2,196		3,770		—
Residential mortgage	27,423		28,110		163
Consumer installment	347		365		—
Home equity	2,859		3,084		—
Total	$	122,386	$	144,424	$	3,217
December 31, 2015
Impaired loans with a valuation allowance:
Commercial	$	18,898	$	19,426	$	5,700
Commercial real estate	4,448		4,688		497
Residential mortgage	21,037		21,037		192
Subtotal	44,383		45,151		6,389
Impaired loans with no related valuation allowance:
Commercial	31,039		37,703		—
Commercial real estate	53,518		69,130		—
Real estate construction and land development	2,136		3,108		—
Residential mortgage	7,638		8,644		—
Consumer installment	498		512		—
Home equity	2,986		3,270		—
Subtotal	97,815		122,367		—
Total impaired loans:
Commercial	49,937		57,129		5,700
Commercial real estate	57,966		73,818		497
Real estate construction and land development	2,136		3,108		—
Residential mortgage	28,675		29,681		192
Consumer installment	498		512		—
Home equity	2,986		3,270		—
Total	$	142,198	$	167,518	$	6,389

	Recorded Investment		Unpaid Principal Balance		Related Valuation Allowance
	(In thousands)
June 30, 2015
Impaired loans with a valuation allowance:
Commercial	$	4,044	$	4,137	$	718
Commercial real estate	2,789		2,948		603
Residential mortgage	20,970		20,970		260
Subtotal	27,803		28,055		1,581
Impaired loans with no related valuation allowance:
Commercial	32,461		38,160		—
Commercial real estate	56,052		78,490		—
Real estate construction and land development	2,393		4,175		—
Residential mortgage	8,984		8,984		—
Consumer installment	398		398		—
Home equity	2,778		2,778		—
Subtotal	103,066		132,985		—
Total impaired loans:
Commercial	36,505		42,297		718
Commercial real estate	58,841		81,438		603
Real estate construction and land development	2,393		4,175		—
Residential mortgage	29,954		29,954		260
Consumer installment	398		398		—
Home equity	2,778		2,778		—
Total	$	130,869	$	161,040	$	1,581

Schedule presents information related to impaired loans

The following schedule presents information related to impaired loans for the three and six months ended June 30, 2016 and 2015:

	Three Months Ended June 30, 2016				Six Months Ended June 30, 2016
	Average Recorded Investment		Interest Income Recognized While on Impaired Status		Average Recorded Investment		Interest Income Recognized While on Impaired Status
	(In thousands)
Commercial	$	38,606	$	348	$	41,811	$	677
Commercial real estate	53,723		391		55,839		849
Real estate construction and land development	2,265		26		2,166		51
Residential mortgage	27,418		356		27,755		722
Consumer installment	330		1		359		2
Home equity	2,791		13		3,022		28
Total	$	125,133	$	1,135	$	130,952	$	2,329

	Three Months Ended June 30, 2015				Six Months Ended June 30, 2015
	Average Recorded Investment		Interest Income Recognized While on Impaired Status		Average Recorded Investment		Interest Income Recognized While on Impaired Status
	(In thousands)
Commercial	$	36,735	$	263	$	37,655	$	552
Commercial real estate	60,393		458		60,317		983
Real estate construction and land development	2,290		36		2,403		63
Residential mortgage	29,432		380		28,392		711
Consumer installment	426		1		463		1
Home equity	2,529		14		2,440		22
Total	$	131,805	$	1,152	$	131,670	$	2,332

Schedule representing the aging status of the recorded investment in loans by classes

The following schedule presents the aging status of the recorded investment in loans by classes of loans at June 30, 2016, December 31, 2015 and June 30, 2015:

	31-60 Days Past Due		61-89 Days Past Due		Accruing Loans Past Due 90 Days or More		Non-accrual Loans		Total Past Due		Current		Total Loans
	(In thousands)
June 30, 2016
Originated Portfolio:
Commercial	$	4,522	$	822	$	3	$	14,577	$	19,924	$	1,614,069	$	1,633,993
Commercial real estate	8,842		343		3		21,325		30,513		1,522,425		1,552,938
Real estate construction and land development	62		—		—		496		558		240,492		241,050
Residential mortgage	1,955		—		407		5,343		7,705		1,299,660		1,307,365
Consumer installment	2,856		554		—		285		3,695		1,038,568		1,042,263
Home equity	2,594		366		1,071		1,971		6,002		595,323		601,325
Total	$	20,831	$	2,085	$	1,484	$	43,997	$	68,397	$	6,310,537	$	6,378,934
Acquired Portfolio:
Commercial	$	547	$	—	$	3,038	$	—	$	3,585	$	315,723	$	319,308
Commercial real estate	90		—		5,817		—		5,907		598,888		604,795
Real estate construction and land development	389		—		1,398		—		1,787		43,011		44,798
Residential mortgage	407		—		1,335		—		1,742		185,085		186,827
Consumer installment	58		25		62		—		145		6,214		6,359
Home equity	416		38		888		—		1,342		104,906		106,248
Total	$	1,907	$	63	$	12,538	$	—	$	14,508	$	1,253,827	$	1,268,335

	31-60 Days Past Due		61-89 Days Past Due		Accruing Loans Past Due 90 Days or More		Non-accrual Loans		Total Past Due		Current		Total Loans
	(In thousands)
December 31, 2015
Originated Portfolio:
Commercial	$	3,685	$	1,230	$	364	$	28,554	$	33,833	$	1,487,682	$	1,521,515
Commercial real estate	4,168		1,603		254		25,163		31,188		1,392,871		1,424,059
Real estate construction and land development	—		—		—		521		521		184,626		185,147
Residential mortgage	1,737		—		402		5,557		7,696		1,209,279		1,216,975
Consumer installment	3,145		644		—		451		4,240		865,186		869,426
Home equity	1,767		788		1,267		1,979		5,801		585,011		590,812
Total	$	14,502	$	4,265	$	2,287	$	62,225	$	83,279	$	5,724,655	$	5,807,934
Acquired Portfolio:
Commercial	$	490	$	532	$	3,735	$	—	$	4,757	$	379,607	$	384,364
Commercial real estate	3,557		691		4,771		—		9,019		679,084		688,103
Real estate construction and land development	—		—		1,154		—		1,154		45,775		46,929
Residential mortgage	1,370		—		2,081		—		3,451		209,210		212,661
Consumer installment	55		—		47		—		102		7,929		8,031
Home equity	847		78		1,007		—		1,932		121,193		123,125
Total	$	6,319	$	1,301	$	12,795	$	—	$	20,415	$	1,442,798	$	1,463,213
June 30, 2015
Originated Portfolio:
Commercial	$	4,055	$	2,317	$	711	$	17,260	$	24,343	$	1,335,513	$	1,359,856
Commercial real estate	2,754		1,117		56		25,287		29,214		1,334,212		1,363,426
Real estate construction and land development	413		—		—		502		915		99,511		100,426
Residential mortgage	1,536		—		424		6,004		7,964		1,060,525		1,068,489
Consumer installment	2,526		302		—		393		3,221		868,715		871,936
Home equity	2,334		204		588		1,769		4,895		581,982		586,877
Total	$	13,618	$	3,940	$	1,779	$	51,215	$	70,552	$	5,280,458	$	5,351,010
Acquired Portfolio:
Commercial	$	690	$	—	$	3,781	$	—	$	4,471	$	390,546	$	395,017
Commercial real estate	969		291		6,603		—		7,863		872,224		880,087
Real estate construction and land development	—		—		1,557		—		1,557		10,329		11,886
Residential mortgage	1,077		138		2,980		—		4,195		237,483		241,678
Consumer installment	—		56		5		—		61		15,910		15,971
Home equity	1,153		210		1,008		—		2,371		136,723		139,094
Total	$	3,889	$	695	$	15,934	$	—	$	20,518	$	1,663,215	$	1,683,733

Schedule of Corporation's TDRs

The following schedule presents the Corporation’s TDRs at June 30, 2016, December 31, 2015 and June 30, 2015:

	Performing TDRs		Non-Performing TDRs		Nonaccrual TDRs		Total
	(In thousands)
June 30, 2016
Commercial loan portfolio	$	30,866	$	14,240	$	28,979	$	74,085
Consumer loan portfolio	18,512		2,233		3,402		24,147
Total	$	49,378	$	16,473	$	32,381	$	98,232
December 31, 2015
Commercial loan portfolio	$	29,844	$	16,297	$	32,682	$	78,823
Consumer loan portfolio	17,966		3,071		3,251		24,288
Total	$	47,810	$	19,368	$	35,933	$	103,111
June 30, 2015
Commercial loan portfolio	$	28,203	$	14,547	$	32,001	$	74,751
Consumer loan portfolio	17,605		3,365		3,707		24,677
Total	$	45,808	$	17,912	$	35,708	$	99,428

Schedule providing information on TDRs

The following schedule provides information on the Corporation's TDRs that were modified during the three and six months ended June 30, 2016 and 2015:

	Three Months Ended June 30, 2016					Six Months Ended June 30, 2016
	Number of Loans	Pre- Modification Recorded Investment		Post- Modification Recorded Investment		Number of Loans	Pre- Modification Recorded Investment		Post- Modification Recorded Investment
	(Dollars in thousands)
Commercial loan portfolio:
Commercial	21	$	4,149	$	4,149	28	$	7,981	$	7,981
Commercial real estate	2	1,454		1,454		6	2,441		2,441
Subtotal – commercial loan portfolio	23	5,603		5,603		34	10,422		10,422
Consumer loan portfolio	14	490		490		21	694		694
Total	37	$	6,093	$	6,093	55	$	11,116	$	11,116

	Three Months Ended June 30, 2015					Six Months Ended June 30, 2015
	Number of Loans	Pre- Modification Recorded Investment		Post- Modification Recorded Investment		Number of Loans	Pre- Modification Recorded Investment		Post- Modification Recorded Investment
	(Dollars in thousands)
Commercial loan portfolio:
Commercial	13	$	2,332	$	2,332	18	$	4,264	$	4,264
Commercial real estate	4	527		527		9	3,061		3,061
Real estate construction and land development	1	305		305		1	305		305
Subtotal – commercial loan portfolio	18	3,164		3,164		28	7,630		7,630
Consumer loan portfolio	29	1,633		1,631		39	1,969		1,967
Total	47	$	4,797	$	4,795	67	$	9,599	$	9,597

Troubled debt restructurings on financing receivables with defaults payment

The following schedule includes TDRs for which there was a payment default during the three and six months ended June 30, 2016 and 2015, whereby the borrower was past due with respect to principal and/or interest for 90 days or more, and the loan became a TDR during the twelve-month period prior to the default:

	Three Months Ended June 30, 2016			Six Months Ended June 30, 2016
	Number of Loans	Principal Balance at End of Period		Number of Loans	Principal Balance at End of Period
	(Dollars in thousands)
Commercial loan portfolio:
Commercial	—	$	—	—	$	—
Commercial real estate	1	788		2	1,721
Subtotal – commercial loan portfolio	1	788		2	1,721
Consumer loan portfolio	1	—		2	—
Total	2	$	788	4	$	1,721
	Three Months Ended June 30, 2015			Six Months Ended June 30, 2015
	Number of Loans	Principal Balance at End of Period		Number of Loans	Principal Balance at End of Period
	(Dollars in thousands)
Commercial loan portfolio:
Commercial	—	$	—	—	$	—
Commercial real estate	1	183		4	942
Subtotal – commercial loan portfolio	1	183		4	942
Consumer loan portfolio	—	—		1	33
Total	1	$	183	5	$	975

Schedule of allowance and recorded investment related to financing receivables segregated by portfolio segment

The following schedule presents, by loan portfolio segment, the changes in the allowance for the three and six months ended June 30, 2016 and details regarding the balance in the allowance and the recorded investment in loans at June 30, 2016 by impairment evaluation method.

	Commercial Loan Portfolio			Consumer Loan Portfolio			Unallocated		Total
	(In thousands)
Changes in allowance for loan losses for the three months ended June 30, 2016:
Beginning balance	$	44,668		$	25,650		$	—	$	70,318
Provision for loan losses	900			2,100			—		3,000
Charge-offs	(2,542		)	(1,078		)	—		(3,620		)
Recoveries	1,202			606			—		1,808
Ending balance	$	44,228		$	27,278		$	—	$	71,506
Changes in allowance for loan losses for the six months ended June 30, 2016:
Beginning balance	$	47,234		$	26,094		$	—	$	73,328
Provision for loan losses	1,900			2,600			—		4,500
Charge-offs	(6,438		)	(2,640		)	—		(9,078		)
Recoveries	1,532			1,224			—		2,756
Ending balance	$	44,228		$	27,278		$	—	$	71,506
Allowance for loan losses balance at June 30, 2016 attributable to:
Loans individually evaluated for impairment	$	3,054		$	163		$	—	$	3,217
Loans collectively evaluated for impairment	41,174			27,115			—		68,289
Loans acquired with deteriorated credit quality	—			—			—		—
Total	$	44,228		$	27,278		$	—	$	71,506
Recorded investment (loan balance) at June 30, 2016:
Loans individually evaluated for impairment	$	81,504		$	20,745		$	—	$	102,249
Loans collectively evaluated for impairment	3,346,477			2,930,208			—		6,276,685
Loans acquired with deteriorated credit quality	968,901			299,434			—		1,268,335
Total	$	4,396,882		$	3,250,387		$	—	$	7,647,269

The following schedule presents, by loan portfolio segment, details regarding the balance in the allowance and the recorded investment in loans at December 31, 2015 by impairment evaluation method.

	Commercial Loan Portfolio		Consumer Loan Portfolio		Unallocated		Total
	(In thousands)
Allowance for loan losses balance at December 31, 2015 attributable to:
Loans individually evaluated for impairment	$	6,197	$	192	$	—	$	6,389
Loans collectively evaluated for impairment	41,037		25,902		—		66,939
Loans acquired with deteriorated credit quality	—		—		—		—
Total	$	47,234	$	26,094	$	—	$	73,328
Recorded investment (loan balance) at December 31, 2015:
Loans individually evaluated for impairment	$	100,379	$	21,037	$	—	$	121,416
Loans collectively evaluated for impairment	3,030,342		2,656,176		—		5,686,518
Loans acquired with deteriorated credit quality	1,119,396		343,817		—		1,463,213
Total	$	4,250,117	$	3,021,030	$	—	$	7,271,147

The following schedule presents, by loan portfolio segment, the changes in the allowance for the three and six months ended June 30, 2015 and details regarding the balance in the allowance and the recorded investment in loans at June 30, 2015 by impairment evaluation method.

	Commercial Loan Portfolio			Consumer Loan Portfolio			Unallocated		Total
	(In thousands)
Changes in allowance for loan losses for the three months ended June 30, 2015:
Beginning balance	$	46,819		$	24,579		$	3,858	$	75,256
Provision for loan losses	(626		)	(109		)	2,235		1,500
Charge-offs	(915		)	(1,809		)	—		(2,724		)
Recoveries	249			660			—		909
Ending balance	$	45,527		$	23,321		$	6,093	$	74,941
Changes in allowance for loan losses for the six months ended June 30, 2015:
Beginning balance	$	44,156		$	28,803		$	2,724	$	75,683
Provision for loan losses	2,967			(3,336		)	3,369		3,000
Charge-offs	(2,419		)	(3,448		)	—		(5,867		)
Recoveries	823			1,302			—		2,125
Ending balance	$	45,527		$	23,321		$	6,093	$	74,941
Allowance for loan losses balance at June 30, 2015 attributable to:
Loans individually evaluated for impairment	$	1,321		$	260		$	—	$	1,581
Loans collectively evaluated for impairment	44,206			23,061			6,093		73,360
Loans acquired with deteriorated credit quality	—			—			—		—
Total	$	45,527		$	23,321		$	6,093	$	74,941
Recorded investment (loan balance) at June 30, 2015:
Loans individually evaluated for impairment	$	85,799		$	20,970		$	—	$	106,769
Loans collectively evaluated for impairment	2,737,909			2,506,332			—		5,244,241
Loans acquired with deteriorated credit quality	1,286,990			396,743			—		1,683,733
Total	$	4,110,698		$	2,924,045		$	—	$	7,034,743