LOANS, ALLOWANCE FOR LOAN LOSSES AND CREDIT QUALITY (Tables)

12 Months Ended

Dec. 31, 2019

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

Schedule of Allowance for Loan Losses

	December 31, 2019
	Commercial and Industrial			Commercial Real Estate			Commercial Construction			Small Business			Residential Real Estate			Home Equity			Other Consumer			Total
	(Dollars in thousands)
Allowance for loan losses
Beginning balance	$	15,760		$	32,370		$	5,158		$	1,756		$	3,219		$	5,608		$	422		$	64,293
Charge-offs	(244		)	(2,614		)	—			(509		)	—			(240		)	(1,598		)	(5,205		)
Recoveries	1,131			152			—			122			142			318			787			2,652
Provision (benefit)	947			3,027			895			377			79			(110		)	785			6,000
Ending balance	$	17,594		$	32,935		$	6,053		$	1,746		$	3,440		$	5,576		$	396		$	67,740
Ending balance: collectively evaluated for impairment	$	17,468		$	32,887		$	6,053		$	1,738		$	2,803		$	5,420		$	391		$	66,760
Ending balance: individually evaluated for impairment	$	126		$	48		$	—		$	8		$	637		$	156		$	5		$	980
Financing receivables ending balance:
Collectively evaluated for impairment	$	1,370,580		$	3,987,848		$	547,293		$	173,960		$	1,571,848		$	1,127,963		$	29,663		$	8,809,155
Individually evaluated for impairment	24,456			8,337			—			537			11,228			4,948			122			49,628
Purchased credit impaired loans	—			6,174			—			—			7,493			887			302			14,856
Total loans by group	$	1,395,036		$	4,002,359		$	547,293		$	174,497		$	1,590,569		$	1,133,798		$	30,087		$	8,873,639		(1)
	December 31, 2018
	Commercial and Industrial			Commercial Real Estate			Commercial Construction			Small Business			Residential Real Estate			Home Equity			Other Consumer			Total
	(Dollars in thousands)
Allowance for loan losses
Beginning balance	$	13,256		$	31,453		$	5,698		$	1,577		$	2,822		$	5,390		$	447		$	60,643
Charge-offs	(355		)	(82		)	—			(372		)	(148		)	(293		)	(1,347		)	(2,597		)
Recoveries	182			188			—			46			12			156			888			1,472
Provision (benefit)	2,677			811			(540		)	505			533			355			434			4,775
Ending balance	$	15,760		$	32,370		$	5,158		$	1,756		$	3,219		$	5,608		$	422		$	64,293
Ending balance: collectively evaluated for impairment	$	15,753		$	32,333		$	5,158		$	1,755		$	2,357		$	5,444		$	414		$	63,214
Ending balance: individually evaluated for impairment	$	7		$	37		$	—		$	1		$	862		$	164		$	8		$	1,079
Financing receivables ending balance:
Collectively evaluated for impairment	$	1,064,800		$	3,235,418		$	365,165		$	164,135		$	906,959		$	1,085,961		$	15,901		$	6,838,339
Individually evaluated for impairment	28,829			10,839			—			541			12,706			5,948			197			59,060
Purchased credit impaired loans	—			4,991			—			—			3,629			175			—			8,795
Total loans by group	$	1,093,629		$	3,251,248		$	365,165		$	164,676		$	923,294		$	1,092,084		$	16,098		$	6,906,194		(1)

	December 31, 2017
	Commercial and Industrial			Commercial Real Estate			Commercial Construction		Small Business			Residential Real Estate			Home Equity			Other Consumer			Total
	(Dollars in thousands)
Allowance for loan losses
Beginning balance	$	16,921		$	30,369		$	4,522	$	1,502		$	2,621		$	5,238		$	393		$	61,566
Charge-offs	(3,891		)	(39		)	—		(302		)	(207		)	(276		)	(1,494		)	(6,209		)
Recoveries	615			385			—		114			31			198			993			2,336
Provision (benefit)	(389		)	738			1,176		263			377			230			555			2,950
Ending balance	$	13,256		$	31,453		$	5,698	$	1,577		$	2,822		$	5,390		$	447		$	60,643
Ending balance: collectively evaluated for impairment	$	13,246		$	31,411		$	5,698	$	1,576		$	1,815		$	5,125		$	430		$	59,301
Ending balance: individually evaluated for impairment	$	10		$	42		$	—	$	1		$	1,007		$	265		$	17		$	1,342
Financing receivables ending balance:
Collectively evaluated for impairment	$	853,885		$	3,093,945		$	401,797	$	131,667		$	733,809		$	1,045,053		$	9,573		$	6,269,729
Individually evaluated for impairment	34,643			16,638			—		703			13,684			6,826			307			72,801
Purchase credit impaired loans	—			5,978			—		—			6,836			209			—			13,023
Total loans by group	$	888,528		$	3,116,561		$	401,797	$	132,370		$	754,329		$	1,052,088		$	9,880		$	6,355,553		(1)

(1)

The amount of net deferred costs on originated loans included in the ending balance was $7.1 million, at December 31, 2019 and 2018 and $6.1 million and at December 31, 2017. Net unamortized discounts on acquired loans not deemed to be PCI included in the ending balance were $21.6 million, $15.2 million and $9.4 million at December 31, 2019, 2018 and 2017, respectively.

Schedule of Internal Risk-Rating Categories for the Company's Commercial Portfolio

		December 31, 2019
Category	Risk Rating	Commercial and Industrial		Commercial Real Estate		Commercial Construction		Small Business		Total
		(Dollars in thousands)
Pass	1 - 6	$	1,274,155	$	3,860,555	$	542,608	$	171,213	$	5,848,531
Potential weakness	7	63,485		97,268		2,247		1,416		164,416
Definite weakness - loss unlikely	8	57,396		44,536		2,438		1,868		106,238
Partial loss probable	9	—		—		—		—		—
Definite loss	10	—		—		—		—		—
Total		$	1,395,036	$	4,002,359	$	547,293	$	174,497	$	6,119,185
		December 31, 2018
Category	Risk Rating	Commercial and Industrial		Commercial Real Estate		Commercial Construction		Small Business		Total
		(Dollars in thousands)
Pass	1 - 6	$	1,014,370	$	3,156,989	$	361,884	$	161,851	$	4,695,094
Potential weakness	7	16,860		56,840		298		888		74,886
Definite weakness - loss unlikely	8	58,909		37,419		2,983		1,937		101,248
Partial loss probable	9	3,490		—		—		—		3,490
Definite loss	10	—		—		—		—		—
Total		$	1,093,629	$	3,251,248	$	365,165	$	164,676	$	4,874,718

Schedule of Weighted Average FICO Scores and Weighted Average Combined LTV Ratio

	December 31
	2019		2018
Residential portfolio
FICO score (re-scored) (1)	749		749
LTV (re-valued) (2)	59.0	%	58.6	%
Home equity portfolio
FICO score (re-scored) (1)	767		767
LTV (re-valued) (2) (3)	46.6	%	49.3	%

(1) The average FICO scores are based upon rescores available from November and origination score data for loans booked in December.

(2) The combined LTV ratios are based upon updated automated valuations as of November, when available, and/or the most current valuation data available. The updated automated valuations provide new information on loans that may be available since the previous valuation was obtained. If no new information is available, the valuation will default to the previously obtained data or most recent appraisal.

(3)

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.

Schedule of Nonaccrual Loans

The following table shows the carrying value of nonaccrual loans at the dates indicated:

	December 31
	2019		2018
	(Dollars in thousands)
Commercial and industrial	$	22,574	$	26,310
Commercial real estate	3,016		3,015
Commercial construction	—		311
Small business	311		235
Residential real estate	13,360		8,251
Home equity	6,570		7,278
Other consumer	61		13
Total nonaccrual loans (1)	$	45,892	$	45,413

(1)

Included in these amounts were $24.8 million and $29.3 million of nonaccruing TDRs at December 31, 2019 and 2018, respectively

Foreclosed Residential Real Estate Property [Table Text Block]

The following table shows information regarding foreclosed residential real estate property at the date indicated:

	December 31, 2019		December 31, 2018
	(Dollars in thousands)
Foreclosed residential real estate property held by the creditor	$	—	$	—
Recorded investment in mortgage loans collateralized by residential real estate property that are in the process of foreclosure	$	3,294	$	3,174

Schedule of the Age Analysis of Past Due Financing Receivables

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

	December 31, 2019
	30-59 days			60-89 days			90 days or more			Total Past Due			Current		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
	(Dollars in thousands)
Commercial and industrial	1	$	253	2	$	323	5	$	760	8	$	1,336	$	1,393,700	$	1,395,036	$	—
Commercial real estate	7	1,690		1	194		8	2,038		16	3,922		3,998,437		4,002,359		218		(2)
Commercial construction	1	560		—	—		—	—		1	560		546,733		547,293		—
Small business	11	837		3	15		6	115		20	967		173,530		174,497		—
Residential real estate	17	2,237		17	3,055		38	7,020		72	12,312		1,578,257		1,590,569		1,652		(2)
Home equity	23	1,689		8	524		40	3,854		71	6,067		1,127,731		1,133,798		265		(2)
Other consumer (1)	387	245		12	44		16	32		415	321		29,766		30,087		22
Total	447	$	7,511	43	$	4,155	113	$	13,819	603	$	25,485	$	8,848,154	$	8,873,639	$	2,157

	December 31, 2018
	30-59 days			60-89 days			90 days or more			Total Past Due			Current		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
	(Dollars in thousands)
Commercial and industrial	—	$	—	4	$	382	11	$	26,311	15	$	26,693	$	1,066,936	$	1,093,629	$	—
Commercial real estate	9	1,627		—	—		8	2,250		17	3,877		3,247,371		3,251,248		—
Commercial construction	1	1,271		—	—		1	311		2	1,582		363,583		365,165		—
Small business	15	506		19	87		24	162		58	755		163,921		164,676		—
Residential real estate	23	3,486		6	521		25	4,382		54	8,389		914,905		923,294		—
Home equity	22	1,331		12	855		29	2,663		63	4,849		1,087,235		1,092,084		—
Other consumer (1)	330	181		15	9		12	13		357	203		15,895		16,098		5
Total	400	$	8,402	56	$	1,854	110	$	36,092	566	$	46,348	$	6,859,846	$	6,906,194	$	5

(1)

Other consumer portfolio is inclusive of deposit account overdrafts recorded as loan balances

Schedule 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:

	December 31
	2019		2018
	(Dollars in thousands)
TDRs on accrual status	$	19,599	$	23,849
TDRs on nonaccrual status	24,766		29,348
Total TDRs	$	44,365	$	53,197
Amount of specific reserves included in the allowance for loan loss associated with TDRs:	$	855	$	1,079
Additional commitments to lend to a borrower who has been a party to a TDR:	$	63	$	982

Schedule of Troubled Debt Restructuring 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:

	Years Ended December 31
	2019
	Number of Contracts	Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
	(Dollars in thousands)
Troubled debt restructurings
Commercial and industrial	3	$	268	$	268
Commercial real estate	4	819		819
Small business	1	14		14
Residential real estate	3	967		1,009
Home equity	2	121		121
Total	13	$	2,189	$	2,231
	2018
Troubled debt restructurings
Commercial and industrial (1)	12	$	35,688	$	39,224
Commercial real estate	3	1,600		1,600
Residential real estate	5	1,048		1,071
Home equity	9	562		562
Total	29	$	38,898	$	42,457
	2017
Troubled debt restructurings
Commercial and industrial	12	$	1,787	$	1,787
Commercial real estate	6	2,705		2,705
Small business	9	369		369
Residential real estate	10	1,284		1,326
Home equity	17	1,985		1,988
Total	54	$	8,130	$	8,175

(1)

The pre-modification and post-modification balances represent the legal principal balance of the loan. These amounts may show an increase when modifications include a capitalization of interest

Schedule of Post-Modification Balance of Troubled Debt Restructuring by Type of Modification

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

	Years Ended December 31
	2019		2018		2017
	(Dollars in thousands)
Extended maturity	$	1,565	$	2,878	$	5,881
Adjusted interest rate	150		57		—
Combination rate and maturity	441		38,812		568
Court ordered concession	75		710		1,726
Total	$	2,231	$	42,457	$	8,175

Schedule of Troubled Debt Restructurings Which Have Subsequently Defaulted

The Company considers a loan to have defaulted when it reaches 90 days past due. As of December 31, 2019 and 2018, there were no loans modified during the prior twelve months that subsequently defaulted. During the twelve months ended December 31, 2017 there was one commercial and industrial loan that was modified during the proceeding twelve month period, with a recorded investment of 122,000, which subsequently defaulted.

Schedule of Impaired Loans by Loan Portfolio

The tables below set forth information regarding the Company’s impaired loans. The information for average recorded investment and interest income recognized is reflective of the full period being presented and does not take into account the date at which a loan was deemed to be impaired. See information below as of the dates indicated:

	As of and For the Years Ended December 31
	2019
	Recorded Investment		Unpaid Principal Balance		Related Allowance		Average Recorded Investment		Interest Income Recognized
	(Dollars in thousands)
With no related allowance recorded
Commercial and industrial	$	23,786	$	34,970	$	—	$	27,056	$	136
Commercial real estate	6,213		12,101		—		12,595		523
Small business	469		484		—		471		22
Residential real estate	4,976		5,123		—		5,045		222
Home equity	3,764		3,893		—		3,869		184
Other consumer	34		34		—		41		3
Subtotal	39,242		56,605		—		49,077		1,090
With an allowance recorded
Commercial and industrial	670		670		126		718		29
Commercial real estate	2,124		2,124		48		2,176		122
Small business	68		105		8		74		2
Residential real estate	6,252		7,163		637		6,326		239
Home equity	1,184		1,382		156		1,214		52
Other consumer	88		91		5		97		3
Subtotal	10,386		11,535		980		10,605		447
Total	$	49,628	$	68,140	$	980	$	59,682	$	1,537
	2018
	Recorded Investment		Unpaid Principal Balance		Related Allowance		Average Recorded Investment		Interest Income Recognized
	(Dollars in thousands)
With no related allowance recorded
Commercial and industrial	$	28,459	$	35,913	$	—	$	31,117	$	142
Commercial real estate	9,552		9,832		—		10,561		519
Small business	358		439		—		401		14
Residential real estate	4,518		4,686		—		4,597		212
Home equity	4,957		5,199		—		5,230		220
Other consumer	56		56		—		64		4
Subtotal	47,900		56,125		—		51,970		1,111
With an allowance recorded
Commercial and industrial	370		370		7		385		19
Commercial real estate	1,287		1,287		37		1,311		74
Small business	183		223		1		225		13
Residential real estate	8,188		9,217		862		8,459		289
Home equity	991		1,149		164		1,018		43
Other consumer	141		143		8		154		5
Subtotal	11,160		12,389		1,079		11,552		443
Total	$	59,060	$	68,514	$	1,079	$	63,522	$	1,554

	2017
	Recorded Investment		Unpaid Principal Balance		Related Allowance		Average Recorded Investment		Interest Income Recognized
	(Dollars in thousands)
With no related allowance recorded
Commercial and industrial	$	34,267	$	38,329	$	—	$	36,631	$	446
Commercial real estate	13,245		14,374		—		13,683		559
Small business	556		619		—		569		21
Residential real estate	4,264		4,397		—		4,332		218
Home equity	4,950		5,056		—		5,063		198
Other consumer	91		92		—		102		7
Subtotal	57,373		62,867		—		60,380		1,449
With an allowance recorded
Commercial and industrial	376		376		10		391		19
Commercial real estate	3,393		3,399		42		3,447		198
Small business	147		153		1		238		14
Residential real estate	9,420		10,154		1,007		9,575		284
Home equity	1,876		2,110		265		1,916		55
Other consumer	216		217		17		233		7
Subtotal	15,428		16,409		1,342		15,800		577
Total	$	72,801	$	79,276	$	1,342	$	76,180	$	2,026

Certain Loans Acquired in Transfer Not Accounted for as Debt Securities Acquired During Period [Table Text Block]

	December 31
	2019		2018
	(Dollars in thousands)
Outstanding balance	$	18,358	$	9,749
Carrying amount	$	14,856	$	8,795

Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield Movement Schedule [Table Text Block]

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

	2019			2018
	(Dollars in thousands)
Beginning balance	$	1,191		$	1,791
Acquisition	1,464			—
Accretion	(1,751		)	(1,135		)
Other change in expected cash flows (1)	803			310
Reclassification from nonaccretable difference for loans which have paid off (2)	227			225
Ending balance	$	1,934		$	1,191

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

(2)

Results in increased income during the period when a loan pays off at amount greater than originally expected