Loans, Allowance for Loan Losses and Credit Quality (Tables)

9 Months Ended

Sep. 30, 2014

Loans, Allowance for Loan Losses and Credit Quality [Abstract]

Tabular disclosure of financing receivables bifuricated by type of impairment evaluation [Table Text Block]

The following tables bifurcate the amount of allowance allocated to each loan category based on the type of impairment analysis as of the periods indicated:

	September 30, 2014
	(Dollars in thousands)
	Commercial and Industrial		Commercial Real Estate		Commercial Construction		Small Business		Residential Real Estate		Home Equity		Other Consumer		Total
Financing receivables ending balance:
Total loans by group	$	842,833	$	2,338,641	$	276,593	$	81,435	$	536,822	$	854,646	$	16,885	$	4,947,855	(1	)
Individually evaluated for impairment	$	7,592	$	33,765	$	311	$	1,244	$	15,503	$	5,492	$	974	$	64,881
Purchase credit impaired loans	$	—	$	15,071	$	184	$	—	$	9,784	$	241	$	5	$	25,285
Collectively evaluated for impairment	$	835,241	$	2,289,805	$	276,098	$	80,191	$	511,535	$	848,913	$	15,906	$	4,857,689

	December 31, 2013
	(Dollars in thousands)
	Commercial and Industrial		Commercial Real Estate		Commercial Construction		Small Business		Residential Real Estate		Home Equity		Other Consumer		Total
Financing receivables ending balance:
Total loans by group	$	784,202	$	2,249,260	$	223,859	$	77,240	$	541,443	$	822,141	$	20,162	$	4,718,307	(1	)
Individually evaluated for impairment	$	9,148	$	39,516	$	100	$	1,903	$	15,200	$	4,890	$	1,298	$	72,055
Purchase credit impaired loans	$	1	$	18,612	$	197	$	—	$	10,389	$	326	$	19	$	29,544
Collectively evaluated for impairment	$	775,053	$	2,191,132	$	223,562	$	75,337	$	515,854	$	816,925	$	18,845	$	4,616,708

(1) The amount of net deferred fees included in the ending balance was $2.7 million and $2.3 million at September 30, 2014 and December 31, 2013.

Summary of changes in allowance for loan losses

The following tables summarize changes in allowance for loan losses by loan category for the periods indicated:

	Three Months Ended September 30, 2014
	(Dollars in thousands)
	Commercial and Industrial			Commercial Real Estate			Commercial Construction		Small Business			Residential Real Estate			Home Equity			Other Consumer			Total
Allowance for loan losses
Beginning balance	$	15,929		$	25,095		$	3,757	$	1,154		$	2,879		$	4,969		$	755		$	54,538
Charge-offs	(504		)	(691		)	—		(73		)	(199		)	(160		)	(279		)	(1,906		)
Recoveries	6			57			—		29			178			67			135			472
Provision	91			1,248			356		45			(36		)	71			126			1,901
Ending balance	$	15,522		$	25,709		$	4,113	$	1,155		$	2,822		$	4,947		$	737		$	55,005

	Three Months Ended September 30, 2013
	(Dollars in thousands)
	Commercial and Industrial			Commercial Real Estate			Commercial Construction			Small Business			Residential Real Estate			Home Equity			Other Consumer			Total
Allowance for loan losses
Beginning balance	$	14,325		$	23,029		$	3,422		$	1,295		$	2,959		$	7,267		$	679		$	52,976
Charge-offs	(866		)	(209		)	(308		)	(84		)	(210		)	(420		)	(273		)	(2,370		)
Recoveries	24			89			—			47			5			22			119			306
Provision	1,531			2,069			387			(43		)	141			(1,555		)	120			2,650
Ending balance	$	15,014		$	24,978		$	3,501		$	1,215		$	2,895		$	5,314		$	645		$	53,562

	Nine Months Ended September 30, 2014
	(Dollars in thousands)
	Commercial and Industrial			Commercial Real Estate			Commercial Construction			Small Business			Residential Real Estate			Home Equity			Other Consumer			Total
Allowance for loan losses
Beginning balance	$	15,622		$	24,541		$	3,371		$	1,215		$	2,760		$	5,036		$	694		$	53,239
Charge-offs	(1,757		)	(4,273		)	—			(469		)	(653		)	(562		)	(908		)	(8,622		)
Recoveries	213			322			—			168			368			215			449			1,735
Provision	1,444			5,119			742			241			347			258			502			8,653
Ending balance	$	15,522		$	25,709		$	4,113		$	1,155		$	2,822		$	4,947		$	737		$	55,005
Ending balance: Individually evaluated for impairment	$	541		$	315		$	—		$	10		$	1,521		$	269		$	43		$	2,699
Ending balance: Collectively evaluated for impairment	$	14,981		$	25,394		$	4,113		$	1,145		$	1,301		$	4,678		$	694		$	52,306
	Nine Months Ended September 30, 2013
	(Dollars in thousands)
	Commercial and Industrial			Commercial Real Estate			Commercial Construction			Small Business			Residential Real Estate			Home Equity			Other Consumer			Total
Allowance for loan losses
Beginning balance	$	13,461		$	22,598		$	2,811		$	1,524		$	2,930		$	7,703		$	807		$	51,834
Charge-offs	(2,591		)	(812		)	(308		)	(505		)	(457		)	(954		)	(794		)	(6,421		)
Recoveries	263			97			—			123			91			73			452			1,099
Provision	3,881			3,095			998			73			331			(1,508		)	180			7,050
Ending balance	$	15,014		$	24,978		$	3,501		$	1,215		$	2,895		$	5,314		$	645		$	53,562
Ending balance: Individually evaluated for impairment	$	1,174		$	2,150		$	—		$	111		$	1,651		$	112		$	83		$	5,281
Ending balance: Collectively evaluated for impairment	$	13,840		$	22,828		$	3,501		$	1,104		$	1,244		$	5,202		$	562		$	48,281

Internal risk-rating categories for the Company's commercial portfolio

The following table details the amount of outstanding principal balances relative to each of the risk-rating categories for the Company’s commercial portfolio:

		September 30, 2014
Category	Risk Rating	Commercial  and Industrial		Commercial Real Estate		Commercial Construction		Small Business		Total
		(Dollars in thousands)
Pass	1 - 6	$	781,106	$	2,172,537	$	260,854	$	77,108	$	3,291,605
Potential weakness	7	41,260		94,977		12,235		3,213		151,685
Definite weakness-loss unlikely	8	20,112		68,166		3,504		1,086		92,868
Partial loss probable	9	355		2,961		—		28		3,344
Definite loss	10	—		—		—		—		—
Total		$	842,833	$	2,338,641	$	276,593	$	81,435	$	3,539,502

		December 31, 2013
Category	Risk Rating	Commercial  and Industrial		Commercial Real Estate		Commercial Construction		Small Business		Total
		(Dollars in thousands)
Pass	1 - 6	$	736,996	$	2,068,995	$	210,372	$	71,514	$	3,087,877
Potential weakness	7	21,841		91,984		8,608		3,031		125,464
Definite weakness-loss unlikely	8	24,409		85,767		4,779		2,552		117,507
Partial loss probable	9	956		2,514		100		143		3,713
Definite loss	10	—		—		—		—		—
Total		$	784,202	$	2,249,260	$	223,859	$	77,240	$	3,334,561

Weighted average FICO scores and the weighted average combined LTV ratio

The following table shows the weighted average FICO scores and the weighted average combined LTV ratios as of the periods indicated below:

	September 30, 2014		December 31, 2013
Residential portfolio
FICO score (re-scored) (1)	738		738
LTV (re-valued) (2)	67.4	%	67.0	%
Home equity portfolio
FICO score (re-scored) (1)	764		763
LTV (re-valued) (2)	53.4	%	53.0	%

(1) The average FICO scores for September 30, 2014 are based upon rescores available from August 30, 2014 and origination score data for loans booked between September 1 and September 30, 2014. The average FICO scores for December 31, 2013 are based upon rescores available from November 30, 2013 and origination score data for loans booked between December 1, 2013 and December 31, 2013.

(2) The combined LTV ratios for September 30, 2014 are based upon updated automated valuations as of February 28, 2013 and origination value data for loans booked between March 1, 2013 and September 30, 2014. The combined LTV ratios for December 31, 2013 are based upon updated automated valuations as of February 28, 2013 and origination value data for loans booked from March 1, 2013 through December 31, 2013. For home equity loans and lines in a subordinate lien, the LTV data represents a combined LTV, taking into account the senior lien data for loans and lines.

Summary of nonaccrual loans

The following table shows nonaccrual loans at the dates indicated:

	September 30, 2014		December 31, 2013
	(Dollars in thousands)
Commercial and industrial	$	2,321	$	4,178
Commercial real estate	6,201		11,734
Commercial construction	311		100
Small business	278		633
Residential real estate	9,088		10,329
Home equity	7,672		7,068
Other consumer	9		92
Total nonaccrual loans (1)	$	25,880	$	34,134

(1) Included in these amounts were $5.7 million and $7.5 million of nonaccruing TDRs at September 30, 2014 and December 31, 2013, respectively.

Age analysis of past due financing receivables

The following table shows the age analysis of past due financing receivables as of the dates indicated:

	September 30, 2014
	30-59 days			60-89 days			90 days or more			Total Past Due					Total Financing Receivables		Recorded Investment >90 Days and Accruing
	Number of Loans	Principal Balance		Number of Loans	Principal Balance		Number of Loans	Principal Balance		Number of Loans	Principal Balance		Current
	(Dollars in thousands)
Loan Portfolio
Commercial and industrial	12	$	2,871	2	$	560	16	$	2,069	30	$	5,500	$	837,333	$	842,833	$	—
Commercial real estate	9	7,001		9	4,088		16	4,221		34	15,310		2,323,331		2,338,641		—
Commercial construction	—	—		—	—		1	311		1	311		276,282		276,593		—
Small business	8	168		4	23		4	158		16	349		81,086		81,435		—
Residential real estate	15	3,547		12	1,480		35	5,184		62	10,211		526,611		536,822		217
Home equity	12	1,068		7	431		28	2,491		47	3,990		850,656		854,646		—
Other consumer	37	174		17	48		10	31		64	253		16,632		16,885		22
Total	93	$	14,829	51	$	6,630	110	$	14,465	254	$	35,924	$	4,911,931	$	4,947,855	$	239

	December 31, 2013
	30-59 days			60-89 days			90 days or more			Total Past Due					Total Financing Receivables		Recorded Investment >90 Days and Accruing
	Number of Loans	Principal Balance		Number of Loans	Principal Balance		Number of Loans	Principal Balance		Number of Loans	Principal Balance		Current
	(Dollars in thousands)
Loan Portfolio
Commercial and industrial	9	$	743	6	$	327	20	$	3,763	35	$	4,833	$	779,369	$	784,202	$	—
Commercial real estate	21	8,643		2	356		30	8,155		53	17,154		2,232,106		2,249,260		—
Commercial construction	1	847		—	—		1	100		2	947		222,912		223,859		—
Small business	18	353		6	227		14	247		38	827		76,413		77,240		—
Residential real estate	23	2,903		8	1,630		39	6,648		70	11,181		530,262		541,443		462
Home equity	27	1,922		8	852		23	2,055		58	4,829		817,312		822,141		—
Other consumer	110	514		30	106		34	148		174	768		19,394		20,162		63
Total	209	$	15,925	60	$	3,498	161	$	21,116	430	$	40,539	$	4,677,768	$	4,718,307	$	525

Summary of Troubled Debt Restructuring and other pertinent information

The following table shows the Company’s total TDRs and other pertinent information as of the dates indicated:

	September 30, 2014		December 31, 2013
	(Dollars in thousands)
TDRs on accrual status	$	40,140	$	38,410
TDRs on nonaccrual	5,709		7,454
Total TDRs	$	45,849	$	45,864
Amount of specific reserves included in the allowance for loan losses associated with TDRs:	$	2,097	$	2,474
Additional commitments to lend to a borrower who has been a party to a TDR:	$	1,064	$	1,877

Change in investment recorded subsequent to modifications

The following table shows the modifications which occurred during the periods indicated and the change in the recorded investment subsequent to the modifications occurring:

	Three Months Ended					Nine Months Ended
	September 30, 2014					September 30, 2014
	Number of Contracts	Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment (1)		Number of Contracts	Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment (1)
	(Dollars in thousands)
Troubled debt restructurings
Commercial and industrial	3	$	193	$	193	12	$	744	$	744
Commercial real estate	5	2,095		2,095		13	4,225		4,225
Small business	—	—		—		1	58		58
Residential real estate	1	156		158		8	1,388		1,419
Home equity	2	55		55		9	781		781
Other consumer	—	—		—		1	8		8
Total	11	$	2,499	$	2,501	44	$	7,204	$	7,235

	Three Months Ended					Nine Months Ended
	September 30, 2013					September 30, 2013
	Number of Contracts	Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment (1)		Number of Contracts	Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment (1)
	(Dollars in thousands)
Troubled debt restructurings
Commercial and industrial	1	$	37	$	37	3	$	319	$	319
Commercial real estate	2	463		463		4	1,526		1,526
Small business	4	261		261		9	543		543
Residential real estate	1	228		228		7	2,128		2,154
Home equity	1	184		184		4	378		378
Other consumer	—	—		—		2	11		11
Total	9	$	1,173	$	1,173	29	$	4,905	$	4,931

(1) The post-modification balances represent the balance of the loan on the date of modifications. These amounts may show an increase when modifications include a capitalization of interest.

Post modification balance of Troubled Debt Restructuring

The following table shows the Company’s post-modification balance of TDRs listed by type of modification during the period indicated:

	Three Months Ended September 30				Nine Months Ended September 30
	2014		2013		2014		2013
	(Dollars in thousands)				(Dollars in thousands)
Extended maturity	$	1,902	$	438	$	3,403	$	1,429
Adjusted interest rate	—		—		726		—
Combination rate & maturity	599		735		2,269		3,491
Court ordered concession	—		—		837		11
Total	$	2,501	$	1,173	$	7,235	$	4,931

Troubled Debt Restructurings that subsequently defaulted

The following table shows the loans that have been modified during the past twelve months which have subsequently defaulted during the periods indicated.

	Three Months Ended September 30
	2014			2013
	Number of Contracts	Recorded Investment		Number of Contracts	Recorded Investment
	(Dollars in thousands)
Troubled debt restructurings that subsequently defaulted
Commercial and industrial	1	$	46	—	$	—
Residential real estate	1	87		—	—
	2	$	133	—	$	—

	Nine Months Ended September 30
	2014			2013
	Number of Contracts	Recorded Investment		Number of Contracts	Recorded Investment
	(Dollars in thousands)
Troubled debt restructurings that subsequently defaulted
Commercial and industrial	1	$	46	1	$	1,614
Small business	—	—		1	231
Residential real estate	3	214		—	—
Total	4	$	260	2	$	1,845

Impaired loans by loan portfolio

The tables below set forth information regarding the Company’s impaired loans by loan portfolio at the dates indicated:

	September 30, 2014
	Recorded Investment		Unpaid Principal Balance		Related Allowance
	(Dollars in thousands)
With no related allowance recorded
Commercial and industrial	$	3,827	$	4,085	$	—
Commercial real estate	16,297		17,979		—
Commercial construction	311		311		—
Small business	824		860		—
Residential real estate	2,794		2,852		—
Home equity	4,387		4,434		—
Other consumer	360		363		—
Subtotal	28,800		30,884		—
With an allowance recorded
Commercial and industrial	$	3,765	$	4,341	$	541
Commercial real estate	17,468		17,781		315
Small business	420		455		10
Residential real estate	12,709		13,909		1,521
Home equity	1,105		1,201		269
Other consumer	614		616		43
Subtotal	36,081		38,303		2,699
Total	$	64,881	$	69,187	$	2,699

	December 31, 2013
	Recorded Investment		Unpaid Principal Balance		Related Allowance
	(Dollars in thousands)
With no related allowance recorded
Commercial and industrial	$	7,147	$	7,288	$	—
Commercial real estate	14,283		15,891		—
Commercial construction	100		408		—
Small business	1,474		1,805		—
Residential real estate	1,972		2,026		—
Home equity	4,263		4,322		—
Other consumer	446		446		—
Subtotal	29,685		32,186		—
With an allowance recorded
Commercial and industrial	$	2,001	$	2,045	$	1,150
Commercial real estate	25,233		25,377		765
Small business	429		462		109
Residential real estate	13,228		14,197		1,564
Home equity	627		694		116
Other consumer	852		856		70
Subtotal	42,370		43,631		3,774
Total	$	72,055	$	75,817	$	3,774

Interest income recognized on impaired loans

The following tables set forth information regarding interest income recognized on impaired loans, by portfolio, for the periods indicated:

	Three Months Ended				Nine Months Ended
	September 30, 2014				September 30, 2014
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
	(Dollars in thousands)
With no related allowance recorded
Commercial and industrial	$	4,411	$	63	$	4,743	$	194
Commercial real estate	16,517		263		17,098		787
Commercial construction	311		3		311		10
Small business	840		13		889		40
Residential real estate	2,806		48		2,836		90
Home equity	4,405		51		4,456		154
Other consumer	365		5		382		18
Subtotal	29,655		446		30,715		1,293
With an allowance recorded
Commercial and industrial	$	3,889	$	52	$	4,285	$	160
Commercial real estate	17,509		246		17,674		734
Small business	427		7		452		23
Residential real estate	12,841		132		12,959		395
Home equity	1,111		12		1,124		30
Other consumer	625		5		656		17
Subtotal	36,402		454		37,150		1,359
Total	$	66,057	$	900	$	67,865	$	2,652

	Three Months Ended				Nine Months Ended
	September 30, 2013				September 30, 2013
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
	(Dollars in thousands)
With no related allowance recorded
Commercial and industrial	$	7,553	$	91	$	7,762	$	275
Commercial real estate	15,175		262		15,638		788
Commercial construction	1,105		13		1,441		39
Small business	1,479		26		1,631		79
Residential real estate	2,159		24		2,221		68
Home equity	3,570		41		3,604		126
Other consumer	500		9		543		32
Subtotal	31,541		466		32,840		1,407
With an allowance recorded
Commercial and industrial	$	2,360	$	30	$	2,684	$	96
Commercial real estate	24,984		330		25,128		1,013
Small business	624		10		652		30
Residential real estate	13,773		135		13,884		391
Home equity	575		6		585		18
Other consumer	973		9		1,041		27
Subtotal	43,289		520		43,974		1,575
Total	$	74,830	$	986	$	76,814	$	2,982

Certain Loans Acquired In Transfer Accounted For As Debt Securities Acquired During Period

The following table displays certain information pertaining to purchased credit impaired loans at the dates indicated:

	September 30, 2014		December 31, 2013
	(Dollars in thousands)
Outstanding balance	$	28,578	$	33,555
Carrying amount	$	25,285	$	29,544

Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield Movement Schedule

The following table summarizes activity in the accretable yield for the PCI loan portfolio:

	(Dollars in thousands)
Balance at January 1, 2013	$	2,464
Acquisition	386
Accretion	(1,812		)
Other change in expected cash flows (2)	1,142
Reclassification from nonaccretable difference for loans with improved cash flows (1)	334
Balance at December 31, 2013	$	2,514
Accretion	(1,722		)
Other change in expected cash flows (2)	2,572
Reclassification from nonaccretable difference for loans with improved cash flows (1)	194
Balance at September 30, 2014	$	3,558

(1) Results in increased interest income during the period in which the loan paid off.

(2) Represents changes in cash flows expected to be collected and resulting in increased interest income as a prospective yield adjustment over the remaining life of the loan(s).