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

3 Months Ended

Mar. 31, 2014

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

Allowance for loans based on collective and individual evaluation of impairment by loan category

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:

	March 31, 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	$	822,509	$	2,282,939	$	239,536	$	78,147	$	538,626	$	827,285	$	18,227	$	4,807,269	(1	)
Individually evaluated for impairment	$	8,554	$	37,076	$	100	$	1,852	$	16,602	$	5,133	$	1,186	$	70,503
Purchase credit impaired loans	$	1	$	18,439	$	192	$	—	$	10,170	$	315	$	14	$	29,131
Collectively evaluated for impairment	$	813,954	$	2,227,424	$	239,244	$	76,295	$	511,854	$	821,837	$	17,027	$	4,707,635

	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 $2.3 million at both March 31, 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 March 31, 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	(783		)	(2,922		)	—		(268		)	(128		)	(94		)	(371		)	(4,566		)
Recoveries	79			68			—		47			—			93			167			454
Provision	683			3,230			199		213			197			(277		)	257			4,502
Ending balance	$	15,601		$	24,917		$	3,570	$	1,207		$	2,829		$	4,758		$	747		$	53,629
Ending balance: Individually evaluated for impairment	$	647		$	369		$	—	$	109		$	1,641		$	114		$	62		$	2,942
Ending balance: Collectively evaluated for impairment	$	14,954		$	24,548		$	3,570	$	1,098		$	1,188		$	4,644		$	685		$	50,687
	Three Months Ended March 31, 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	(423		)	(407		)	—		(145		)	(61		)	(277		)	(261		)	(1,574		)
Recoveries	136			—			—		39			—			21			150			346
Provision	269			378			328		(174		)	179			269			51			1,300
Ending balance	$	13,443		$	22,569		$	3,139	$	1,244		$	3,048		$	7,716		$	747		$	51,906
Ending balance: Individually evaluated for impairment	$	771		$	385		$	—	$	113		$	1,577		$	58		$	119		$	3,023
Ending balance: Collectively evaluated for impairment	$	12,672		$	22,184		$	3,139	$	1,131		$	1,471		$	7,658		$	628		$	48,883

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:

		March 31, 2014
Category	Risk Rating	Commercial  and Industrial		Commercial Real Estate		Commercial Construction		Small Business		Total
		(Dollars in thousands)
Pass	1 - 6	$	752,417	$	2,096,405	$	223,947	$	73,045	$	3,145,814
Potential weakness	7	44,354		104,090		10,929		3,086		162,459
Definite weakness-loss unlikely	8	23,303		72,774		4,560		1,846		102,483
Partial loss probable	9	2,435		9,670		100		170		12,375
Definite loss	10	—		—		—		—		—
Total		$	822,509	$	2,282,939	$	239,536	$	78,147	$	3,423,131

		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:

	March 31, 2014		December 31, 2013
Residential portfolio
FICO score (re-scored) (1)	738		738
LTV (re-valued) (2)	67.1	%	67.0	%
Home equity portfolio
FICO score (re-scored) (1)	764		763
LTV (re-valued) (2)	53.1	%	53.0	%

(1) The average FICO scores for March 31, 2014 are based upon rescores available from February 28, 2014 and origination score data for loans booked between March 1, 2014 and March 31, 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 March 31, 2014 are based upon updated automated valuations as of February 28, 2013 and origination value data for loans booked between March 1, 2013 and March 31, 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:

	March 31, 2014		December 31, 2013
	(Dollars in thousands)
Commercial and industrial	$	3,299	$	4,178
Commercial real estate	13,870		11,734
Commercial construction	100		100
Small business	788		633
Residential real estate	10,632		10,329
Home equity	7,062		7,068
Other consumer	28		92
Total nonaccrual loans (1)	$	35,779	$	34,134

(1) Included in these amounts were $7.0 million and $7.5 million of nonaccruing TDRs at March 31, 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:

	March 31, 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	18	$	1,491	9	$	1,460	19	$	3,021	46	$	5,972	$	816,537	$	822,509	$	—
Commercial real estate	18	5,144		8	3,917		19	9,230		45	18,291		2,264,648		2,282,939		—
Commercial construction	—	—		—	—		1	100		1	100		239,436		239,536		—
Small business	11	276		—	—		16	354		27	630		77,517		78,147		—
Residential real estate	20	2,760		9	1,737		39	6,293		68	10,790		527,836		538,626		368
Home equity	19	1,604		6	278		27	2,749		52	4,631		822,654		827,285		—
Other consumer	89	476		17	32		16	49		122	557		17,670		18,227		24
Total	175	$	11,751	49	$	7,424	137	$	21,796	361	$	40,971	$	4,766,298	$	4,807,269	$	392

	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:

	March 31, 2014		December 31, 2013
	(Dollars in thousands)
TDRs on accrual status	$	40,329	$	38,410
TDRs on nonaccrual	6,998		7,454
Total TDRs	$	47,327	$	45,864
Amount of specific reserves included in the allowance for loan losses associated with TDRs:	$	2,044	$	2,474
Additional commitments to lend to a borrower who has been a party to a TDR:	$	2,071	$	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
	March 31, 2014
	Number of Contracts	Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment (1)
	(Dollars in thousands)
Troubled debt restructurings
Commercial & industrial	9	$	424	$	424
Commercial real estate	6	1,883		1,883
Small business	1	58		58
Residential real estate	2	513		542
Other consumer	1	8		8
Total	19	$	2,886	$	2,915

	Three Months Ended
	March 31, 2013
	Number of Contracts	Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment (1)
	(Dollars in thousands)
Troubled debt restructurings
Small business	4	$	268	$	268
Residential real estate	4	1,156		1,182
Home equity	2	165		165
Other consumer	2	11		11
Total	12	$	1,600	$	1,626

(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 as of the periods indicated:

	Three Months Ended March 31
	2014		2013
	(Dollars in thousands)
Extended maturity	$	835	$	268
Adjusted interest rate	728		—
Combination rate & maturity	1,344		1,347
Court ordered concession	8		11
Total	$	2,915	$	1,626

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. The Company considers a loan to have defaulted when it reaches 90 days past due.

	Three Months Ended March 31
	2014			2013
	Number of Contracts	Recorded Investment		Number of Contracts	Recorded Investment
	(Dollars in thousands)
Troubled debt restructurings that subsequently defaulted
Commercial & industrial	2	$	52	2	$	201
Commercial real estate	1	176		2	494
Residential real estate	1	327		—	—
Total	4	$	555	4	$	695

Impaired loans by loan portfolio

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

	March 31, 2014
	Recorded Investment		Unpaid Principal Balance		Related Allowance
	(Dollars in thousands)
With no related allowance recorded
Commercial & industrial	$	5,064	$	5,615	$	—
Commercial real estate	21,227		22,908		—
Commercial construction	100		408		—
Small business	1,401		1,603		—
Residential real estate	2,930		3,095		—
Home equity	4,514		4,580		—
Other consumer	402		408		—
Subtotal	35,638		38,617		—
With an allowance recorded
Commercial & industrial	$	3,490	$	3,545	$	647
Commercial real estate	15,849		16,889		369
Small business	451		566		109
Residential real estate	13,672		14,717		1,641
Home equity	619		690		114
Other consumer	784		786		62
Subtotal	34,865		37,193		2,942
Total	$	70,503	$	75,810	$	2,942

	December 31, 2013
	Recorded Investment		Unpaid Principal Balance		Related Allowance
	(Dollars in thousands)
With no related allowance recorded
Commercial & 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 & 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
	March 31, 2014
	Average Recorded Investment		Interest Income Recognized
	(Dollars in thousands)
With no related allowance recorded
Commercial & industrial	$	5,409	$	68
Commercial real estate	21,522		333
Commercial construction	100		3
Small business	1,456		24
Residential real estate	2,938		28
Home equity	4,529		52
Other consumer	413		8
Subtotal	36,367		516
With an allowance recorded
Commercial & industrial	$	3,516	$	39
Commercial real estate	16,640		207
Small business	460		8
Residential real estate	13,679		132
Home equity	623		7
Other consumer	800		7
Subtotal	35,718		400
Total	$	72,085	$	916

	Three Months Ended
	March 31, 2013
	Average Recorded Investment		Interest Income Recognized
	(Dollars in thousands)
With no related allowance recorded
Commercial & industrial	$	5,111	$	73
Commercial real estate	13,945		222
Commercial construction	1,609		13
Small business	1,241		20
Residential real estate	2,532		23
Home equity	4,019		46
Other consumer	670		13
Subtotal	29,127		410
With an allowance recorded
Commercial & industrial	$	2,760	$	40
Commercial real estate	17,381		268
Small business	891		13
Residential real estate	13,930		135
Home equity	441		6
Other consumer	1,283		12
Subtotal	36,686		474
Total	$	65,813	$	884

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:

	March 31, 2014		December 31, 2013
	(Dollars in thousands)
Outstanding balance	$	33,168	$	33,555
Carrying amount	$	29,131	$	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
Balance at January 1, 2014	$	2,514
Accretion	(377		)
Other change in expected cash flows (2)	541
Reclassification from nonaccretable difference for loans with improved cash flows (1)	—
Balance at March 31, 2014	$	2,678

(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).