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

6 Months Ended

Jun. 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:

	June 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	$	853,327	$	2,300,633	$	252,222	$	78,955	$	541,601	$	840,815	$	17,947	$	4,885,500	(1	)
Individually evaluated for impairment	$	6,796	$	30,472	$	—	$	1,474	$	15,829	$	5,473	$	1,026	$	61,070
Purchase credit impaired loans	$	—	$	17,425	$	188	$	—	$	10,055	$	310	$	6	$	27,984
Collectively evaluated for impairment	$	846,531	$	2,252,736	$	252,034	$	77,481	$	515,717	$	835,032	$	16,915	$	4,796,446

	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 $2.6 million and $2.3 million at June 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 June 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	$	15,601		$	24,917		$	3,570	$	1,207		$	2,829		$	4,758		$	747		$	53,629
Charge-offs	(470		)	(660		)	—		(128		)	(326		)	(308		)	(258		)	(2,150		)
Recoveries	128			197			—		92			190			55			147			809
Provision	670			641			187		(17		)	186			464			119			2,250
Ending balance	$	15,929		$	25,095		$	3,757	$	1,154		$	2,879		$	4,969		$	755		$	54,538

	Three Months Ended June 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	$	13,443		$	22,569		$	3,139	$	1,244		$	3,048		$	7,716		$	747		$	51,906
Charge-offs	(1,302		)	(196		)	—		(276		)	(186		)	(257		)	(260		)	(2,477		)
Recoveries	103			8			—		37			86			30			183			447
Provision	2,081			648			283		290			11			(222		)	9			3,100
Ending balance	$	14,325		$	23,029		$	3,422	$	1,295		$	2,959		$	7,267		$	679		$	52,976

	Six Months Ended June 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	(1,253		)	(3,582		)	—		(396		)	(454		)	(402		)	(629		)	(6,716		)
Recoveries	207			265			—		139			190			148			314			1,263
Provision	1,353			3,871			386		196			383			187			376			6,752
Ending balance	$	15,929		$	25,095		$	3,757	$	1,154		$	2,879		$	4,969		$	755		$	54,538
Ending balance: Individually evaluated for impairment	$	472		$	292		$	—	$	45		$	1,599		$	273		$	49		$	2,730
Ending balance: Collectively evaluated for impairment	$	15,457		$	24,803		$	3,757	$	1,109		$	1,280		$	4,696		$	706		$	51,808
	Six Months Ended June 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	(1,725		)	(603		)	—		(421		)	(247		)	(534		)	(521		)	(4,051		)
Recoveries	239			8			—		76			86			51			333			793
Provision	2,350			1,026			611		116			190			47			60			4,400
Ending balance	$	14,325		$	23,029		$	3,422	$	1,295		$	2,959		$	7,267		$	679		$	52,976
Ending balance: Individually evaluated for impairment	$	775		$	410		$	—	$	153		$	1,670		$	52		$	92		$	3,152
Ending balance: Collectively evaluated for impairment	$	13,550		$	22,619		$	3,422	$	1,142		$	1,289		$	7,215		$	587		$	49,824

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:

		June 30, 2014
Category	Risk Rating	Commercial  and Industrial		Commercial Real Estate		Commercial Construction		Small Business		Total
		(Dollars in thousands)
Pass	1 - 6	$	786,349	$	2,122,030	$	236,106	$	74,221	$	3,218,706
Potential weakness	7	42,929		106,724		12,263		3,391		165,307
Definite weakness-loss unlikely	8	23,712		69,062		3,853		1,310		97,937
Partial loss probable	9	337		2,817		—		33		3,187
Definite loss	10	—		—		—		—		—
Total		$	853,327	$	2,300,633	$	252,222	$	78,955	$	3,485,137

		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:

	June 30, 2014		December 31, 2013
Residential portfolio
FICO score (re-scored) (1)	738		738
LTV (re-valued) (2)	67.0	%	67.0	%
Home equity portfolio
FICO score (re-scored) (1)	764		763
LTV (re-valued) (2)	53.2	%	53.0	%

(1) The average FICO scores for June 30, 2014 are based upon rescores available from May 31, 2014 and origination score data for loans booked between June 1, 2014 and June 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 June 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 June 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:

	June 30, 2014		December 31, 2013
	(Dollars in thousands)
Commercial and industrial	$	2,368	$	4,178
Commercial real estate	6,586		11,734
Commercial construction	—		100
Small business	433		633
Residential real estate	10,336		10,329
Home equity	7,069		7,068
Other consumer	27		92
Total nonaccrual loans (1)	$	26,819	$	34,134

(1) Included in these amounts were $7.5 million of nonaccruing TDRs at both June 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:

	June 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	8	$	1,011	12	$	1,209	20	$	1,481	40	$	3,701	$	849,626	$	853,327	$	—
Commercial real estate	16	9,105		5	3,218		20	3,652		41	15,975		2,284,658		2,300,633		—
Commercial construction	—	—		—	—		—	—		—	—		252,222		252,222		—
Small business	8	144		5	22		8	224		21	390		78,565		78,955		—
Residential real estate	15	1,594		7	1,468		41	6,352		63	9,414		532,187		541,601		476
Home equity	21	2,185		9	419		22	1,752		52	4,356		836,459		840,815		82
Other consumer	49	201		18	97		25	54		92	352		17,595		17,947		39
Total	117	$	14,240	56	$	6,433	136	$	13,515	309	$	34,188	$	4,851,312	$	4,885,500	$	597

	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:

	June 30, 2014		December 31, 2013
	(Dollars in thousands)
TDRs on accrual status	$	38,925	$	38,410
TDRs on nonaccrual	7,499		7,454
Total TDRs	$	46,424	$	45,864
Amount of specific reserves included in the allowance for loan losses associated with TDRs:	$	2,108	$	2,474
Additional commitments to lend to a borrower who has been a party to a TDR:	$	606	$	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					Six Months Ended
	June 30, 2014					June 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	$	399	$	399	12	$	824	$	824
Commercial real estate	—	—		—		6	1,882		1,882
Small business	1	117		117		2	174		174
Residential real estate	—	—		—		2	542		513
Home equity	3	520		520		4	616		616
Other consumer	—	—		—		1	8		8
Total	7	$	1,036	$	1,036	27	$	4,046	$	4,017

	Three Months Ended					Six Months Ended
	June 30, 2013					June 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	2	$	282	$	282	2	$	282	$	282
Commercial real estate	1	664		664		2	1,063		1,063
Small business	1	18		18		5	282		282
Residential real estate	2	744		744		6	1,900		1,926
Home equity	1	29		29		3	194		194
Other consumer	—	—		—		2	11		11
Total	7	$	1,737	$	1,737	20	$	3,732	$	3,758

(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 June 30				Six Months Ended June 30
	2014		2013		2014		2013
	(Dollars in thousands)				(Dollars in thousands)
Extended maturity	$	633	$	329	$	1,640	$	991
Adjusted interest rate	—		—		728		—
Combination rate & maturity	403		1,408		1,670		2,756
Court ordered concession	—		—		8		11
Total	$	1,036	$	1,737	$	4,046	$	3,758

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 June 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	—	$	—	2	$	1,767
Commercial real estate	1	73		1	398
Small business	—	—		2	22
Residential real estate	1	136		—	—
Total	2	$	209	5	$	2,187
	Six Months Ended June 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	—	$	—	2	$	1,767
Commercial real estate	2	249		1	398
Small business	—	—		3	253
Residential real estate	1	136		—	—
Total	3	$	385	6	$	2,418

Impaired loans by loan portfolio

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

	June 30, 2014
	Recorded Investment		Unpaid Principal Balance		Related Allowance
	(Dollars in thousands)
With no related allowance recorded
Commercial and industrial	$	4,296	$	4,842	$	—
Commercial real estate	16,055		16,935		—
Small business	1,035		1,068		—
Residential real estate	2,409		2,494		—
Home equity	4,374		4,418		—
Other consumer	354		355		—
Subtotal	28,523		30,112		—
With an allowance recorded
Commercial and industrial	$	2,500	$	2,954	$	472
Commercial real estate	14,417		15,005		292
Small business	439		480		45
Residential real estate	13,420		14,660		1,599
Home equity	1,099		1,186		273
Other consumer	672		674		49
Subtotal	32,547		34,959		2,730
Total	$	61,070	$	65,071	$	2,730

	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				Six Months Ended
	June 30, 2014				June 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	$	4,449	$	60	$	4,774	$	123
Commercial real estate	16,216		246		16,342		490
Small business	1,051		16		1,076		32
Residential real estate	2,415		24		2,426		50
Home equity	4,431		51		4,465		103
Other consumer	363		6		374		13
Subtotal	28,925		403		29,457		811
With an allowance recorded
Commercial and industrial	$	2,808	$	40	$	2,906	$	81
Commercial real estate	14,523		205		14,748		413
Small business	449		8		462		16
Residential real estate	13,449		132		13,563		264
Home equity	1,102		10		1,109		17
Other consumer	686		6		707		12
Subtotal	33,017		401		33,495		803
Total	$	61,942	$	804	$	62,952	$	1,614

	Three Months Ended				Six Months Ended
	June 30, 2013				June 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	$	8,396	$	114	$	8,836	$	230
Commercial real estate	18,392		312		18,448		628
Commercial construction	1,608		13		1,608		26
Small business	1,393		22		1,454		46
Residential real estate	2,236		25		2,253		44
Home equity	3,674		43		3,691		85
Other consumer	560		10		585		23
Subtotal	36,259		539		36,875		1,082
With an allowance recorded
Commercial and industrial	$	3,076	$	43	$	3,221	$	89
Commercial real estate	18,242		263		18,235		526
Small business	748		12		760		23
Residential real estate	13,688		127		13,732		255
Home equity	407		5		410		10
Other consumer	1,074		10		1,113		20
Subtotal	37,235		460		37,471		923
Total	$	73,494	$	999	$	74,346	$	2,005

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:

	June 30, 2014		December 31, 2013
	(Dollars in thousands)
Outstanding balance	$	31,843	$	33,555
Carrying amount	$	27,984	$	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	(1,055		)
Other change in expected cash flows (2)	2,192
Reclassification from nonaccretable difference for loans with improved cash flows (1)	194
Balance at June 30,2014	$	3,845

(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).