Allowance for Loan Losses (Tables)

12 Months Ended

Dec. 31, 2016

Receivables [Abstract]

Summary of Activity in Allowance for Loan Losses, and Ending Balance of Loans, Net of Unearned Fees for Periods Indicated

The following tables summarize the activity in the allowance for loan losses, and ending balance of loans, net of unearned fees for the periods indicated.

	Allowance for Loan Losses - Year Ended December 31, 2016
	RE Mortgage						Home Equity						Auto			Other						Construction
(in thousands)	Resid.			Comm.			Lines			Loans			Indirect			Consum.			C&I			Resid.			Comm.			Total
Beginning balance	$	2,507		$	11,443		$	11,253		$	3,138			—		$	688		$	5,271		$	899		$	812		$	36,011
Charge-offs		(321	)		(827	)		(585	)		(219	)		—			(823	)		(455	)		—			—			(3,230	)
Recoveries		880			920			2,317			590			—			449			404			54			78			5,692
(Benefit) provision		(679	)		369			(5,941	)		(892	)		—			308			611			464			(210	)		(5,970	)
Ending balance	$	2,387		$	11,905		$	7,044		$	2,617			—		$	622		$	5,831		$	1,417		$	680		$	32,503
Ending balance:
Individ. evaluated for impairment	$	249		$	127		$	410		$	102			—		$	28		$	1,130			—			—		$	2,046
Loans pooled for evaluation	$	1,952		$	10,329		$	6,618		$	2,451			—		$	594		$	3,765		$	1,371		$	680		$	27,760
Loans acquired with deteriorated credit quality	$	186		$	1,449		$	17		$	64			—			—		$	936		$	45			—		$	2,697
	Loans, net of unearned fees - As of December 31, 2016
	RE Mortgage						Home Equity						Auto			Other						Construction
(in thousands)	Resid.			Comm.			Lines			Loans			Indirect			Consum.			C&I			Resid.			Comm.			Total
Ending balance:
Total loans	$	309,907		$	1,747,917		$	289,715		$	41,822			—		$	30,766		$	217,047		$	55,429		$	66,990		$	2,759,593
Individ. evaluated for impairment	$	3,785		$	15,748		$	3,196		$	1,150			—		$	154		$	4,096		$	11			—		$	28,140
Loans pooled for evaluation	$	304,759		$	1,718,709		$	282,159		$	39,542			—		$	30,547		$	208,960		$	54,743		$	66,990		$	2,706,409
Loans acquired with deteriorated credit quality	$	1,363		$	13,460		$	4,360		$	1,130			—		$	65		$	3,991		$	675			—		$	25,044
	Allowance for Loan Losses - Year Ended December 31, 2015
	RE Mortgage						Home Equity						Auto			Other						Construction
(in thousands)	Resid.			Comm.			Lines			Loans Indirect						Consum.			C&I			Resid.			Comm.			Total
Beginning balance	$	3,086		$	9,227		$	15,676		$	1,797		$	9		$	719		$	4,226		$	1,434		$	411		$	36,585
Charge-offs		(224	)		—			(694	)		(242	)		(4	)		(972	)		(680	)		—			—			(2,816	)
Recoveries		204			243			666			252			42			500			677			1,728			140			4,452
(Benefit) provision		(559	)		1,973			(4,395	)		1,331			(47	)		441			1,048			(2,263	)		261			(2,210	)
Ending balance	$	2,507		$	11,443		$	11,253		$	3,138			—		$	688		$	5,271		$	899		$	812		$	36,011
Ending balance:
Individ. evaluated for impairment	$	335		$	395		$	605		$	294			—		$	74		$	1,187			—			—		$	2,890
Loans pooled for evaluation	$	2,112		$	9,596		$	10,423		$	2,844			—		$	614		$	2,983		$	844		$	812		$	30,228
Loans acquired with deteriorated credit quality	$	60		$	1,452		$	225			—			—			—		$	1,101		$	55			—		$	2,893
	Loans, net of unearned fees - As of December 31, 2015
	RE Mortgage						Home Equity						Auto			Other						Construction
(in thousands)	Resid.			Comm.			Lines			Loans			Indirect			Consum.			C&I			Resid.			Comm.			Total
Ending balance:
Total loans	$	314,265		$	1,497,567		$	322,492		$	40,362			—		$	32,429		$	194,913		$	46,135		$	74,774		$	2,522,937
Individ. evaluated for impairment	$	6,767		$	32,407		$	5,747		$	1,731			—		$	288		$	2,671		$	4		$	490		$	50,105
Loans pooled for evaluation	$	305,353		$	1,442,100		$	309,007		$	37,004			—		$	32,077		$	187,393		$	45,410		$	74,284		$	2,432,628
Loans acquired with deteriorated credit quality	$	2,145		$	23,060		$	7,738		$	1,627			—		$	64		$	4,849		$	721			—		$	40,204

	Allowance for Loan Losses - Year Ended December 31, 2014
	RE Mortgage						Home Equity						Auto			Other						Construction
(in thousands)	Resid.			Comm.			Lines			Loans Indirect						Consum.			C&I			Resid.			Comm.			Total
Beginning balance	$	3,154		$	9,700		$	16,375		$	1,208		$	66		$	589		$	4,331		$	1,559		$	1,263		$	38,245
Charge-offs		(171	)		(110	)		(1,094	)		(29	)		(3	)		(599	)		(479	)		(4	)		(69	)		(2,558	)
Recoveries		2			540			960			34			86			495			1,268			1,377			181			4,943
(Benefit) provision		101			(903	)		(565	)		584			(140	)		234			(894	)		(1,498	)		(964	)		(4,045	)
Ending balance	$	3,086		$	9,227		$	15,676		$	1,797		$	9		$	719		$	4,226		$	1,434		$	411		$	36,585
Ending balance:
Individ. evaluated for impairment	$	974		$	410		$	1,974		$	284			—		$	142		$	423		$	60			—		$	4,267
Loans pooled for evaluation	$	1,915		$	8,408		$	13,251		$	1,513		$	9		$	572		$	2,569		$	332		$	322		$	28,891
Loans acquired with deteriorated credit quality	$	197		$	409		$	451			—			—		$	5		$	1,234		$	1,042		$	89		$	3,427
	Loans, net of unearned fees - As of December 31, 2014
	RE Mortgage						Home Equity						Auto			Other						Construction
(in thousands)	Resid.			Comm.			Lines			Loans			Indirect			Consum.			C&I			Resid.			Comm.			Total
Ending balance:
Total loans	$	279,420		$	1,335,939		$	352,584		$	31,314		$	112		$	33,074		$	174,945		$	38,618		$	36,518		$	2,282,524
Individ. evaluated for impairment	$	7,188		$	41,932		$	6,968		$	1,279		$	18		$	323		$	1,757		$	2,683		$	99		$	62,247
Loans pooled for evaluation	$	268,227		$	1,263,090		$	336,595		$	29,266		$	94		$	32,677		$	165,753		$	35,260		$	36,419		$	2,167,381
Loans acquired with deteriorated credit quality	$	4,005		$	30,917		$	9,021		$	770			—		$	74		$	7,435		$	675			—		$	52,897

Presentation of Credit Quality Indicators

The following tables present ending loan balances by loan category and risk grade for the periods indicated:

	Credit Quality Indicators – As of December 31, 2016
	RE Mortgage				Home Equity				Auto		Other				Construction
(in thousands)	Resid.		Comm.		Lines		Loans		Indirect		Consum.		C&I		Resid.		Comm.		Total
Originated loans:
Pass	$	224,988	$	1,457,128	$	258,024	$	34,299		—	$	27,542	$	190,902	$	54,602	$	57,808	$	2,305,293
Special mention		2,225		15,108		2,518		891		—		385		6,133		—		311		27,571
Substandard		2,396		12,184		3,048		1,884		—		240		3,700		11		—		23,463
Loss		—		—		—		—		—		—		—		—		—		—
Total originated	$	229,609	$	1,484,420	$	263,590	$	37,074		—	$	28,167	$	200,735	$	54,613	$	58,119	$	2,356,327
PNCI loans:
Pass	$	75,600	$	236,740	$	20,442	$	3,492		—	$	2,437	$	12,320	$	141	$	8,871	$	360,043
Special mention		1,849		6,057		509		41		—		92		1		—		—		8,549
Substandard		1,486		7,240		814		85		—		5		—		—		—		9,630
Loss		—		—		—		—		—		—		—		—		—		—
Total PNCI	$	78,935	$	250,037	$	21,765	$	3,618		—	$	2,534	$	12,321	$	141	$	8,871	$	378,222
PCI loans	$	1,363	$	13,460	$	4,360	$	1,130		—	$	65	$	3,991	$	675		—	$	25,044
Total loans	$	309,907	$	1,747,917	$	289,715	$	41,822		—	$	30,766	$	217,047	$	55,429	$	66,990	$	2,759,593

	Credit Quality Indicators – As of December 31, 2015
	RE Mortgage				Home Equity				Auto		Other				Construction
(in thousands)	Resid.		Comm.		Lines		Loans		Indirect		Consum.		C&I		Resid.		Comm.		Total
Originated loans:
Pass	$	199,837	$	1,118,868	$	275,251	$	31,427		—	$	28,339	$	166,559	$	31,440	$	66,285	$	1,918,006
Special mention		2,018		10,321		2,494		1,027		—		415		1,037		334		—		17,646
Substandard		5,730		34,454		7,674		2,263		—		244		2,724		4		—		53,093
Loss		—		—		—		—		—		—		—		—		—		—
Total originated	$	207,585	$	1,163,643	$	285,419	$	34,717		—	$	28,998	$	170,320	$	31,778	$	66,285	$	1,988,745
PNCI loans:
Pass	$	102,895	$	293,935	$	27,378	$	3,789		—	$	3,164	$	19,666	$	13,636	$	8,489	$	472,952
Special mention		600		10,795		445		80		—		74		—		—		—		11,994
Substandard		1,040		6,134		1,512		149		—		129		78		—		—		9,042
Loss		—		—		—		—		—		—		—		—		—		—
Total PNCI	$	104,535	$	310,864	$	29,335	$	4,018		—	$	3,367	$	19,744	$	13,636	$	8,489	$	493,988
PCI loans	$	2,145	$	23,060	$	7,738	$	1,627		—	$	64	$	4,849	$	721		—	$	40,204
Total loans	$	314,265	$	1,497,567	$	322,492	$	40,362		—	$	32,429	$	194,913	$	46,135	$	74,774	$	2,522,937

Analysis of Past Due and Nonaccrual Loans

The following table shows the ending balance of current, past due, and nonaccrual originated loans by loan category as of the date indicated:

	Analysis of Past Due and Nonaccrual Originated Loans – As of December 31, 2016
	RE Mortgage				Home Equity				Auto		Other				Construction
(in thousands)	Resid.		Comm.		Lines		Loans		Indirect		Consum.		C&I		Resid.		Comm.		Total
Originated loan balance:
Past due:
30-59 Days	$	552	$	317	$	754	$	646		—	$	16	$	1,148	$	921		—	$	4,354
60-89 Days		139		1,517		—		395		—		30		84		—	$	421		2,586
> 90 Days		—		216		687		184		—		15		634		11		—		1,747
Total past due	$	691	$	2,050	$	1,441	$	1,225		—	$	61	$	1,866	$	932	$	421	$	8,687
Current		228,918		1,482,370		262,149		35,849		—		28,106		198,869		53,681		57,698		2,347,640
Total orig. loans	$	229,609	$	1,484,420	$	263,590	$	37,074		—	$	28,167	$	200,735	$	54,613	$	58,119	$	2,356,327
> 90 Days and still accruing		—		—		—		—		—		—		—		—		—		—
Nonaccrual loans	$	255	$	7,736	$	1,211	$	718		—	$	33	$	2,930	$	11		—	$	12,894

The following table shows the ending balance of current, past due, and nonaccrual PNCI loans by loan category as of the date indicated:

	Analysis of Past Due and Nonaccrual PNCI Loans – As of December 31, 2016
	RE Mortgage				Home Equity				Auto		Other				Construction
(in thousands)	Resid.		Comm.		Lines		Loans		Indirect		Consum.		C&I		Resid.		Comm.		Total
PNCI loan balance:
Past due:
30-59 Days	$	1,510	$	73	$	274	$	39		—		—		—		—		—	$	1,896
60-89 Days		—		—		—		—		—		—		—		—		—		—
> 90 Days		21		81		589		13		—		—		—		—		—		704
Total past due	$	1,531	$	154	$	863	$	52		—		—		—		—		—	$	2,600
Current		77,404		249,883		20,902		3,566		—	$	2,534	$	12,321	$	141	$	8,871		375,622
Total PNCI loans	$	78,935	$	250,037	$	21,765	$	3,618		—	$	2,534	$	12,321	$	141	$	8,871	$	378,222
> 90 Days and still accruing		—		—		—		—		—		—		—		—		—		—
Nonaccrual loans	$	194	$	1,826	$	742	$	67		—	$	5		—		—		—	$	2,834

The following table shows the ending balance of current, past due, and nonaccrual originated loans by loan category as of the date indicated:

	Analysis of Past Due and Nonaccrual Originated Loans – As of December 31, 2015
	RE Mortgage				Home Equity				Auto		Other				Construction
(in thousands)	Resid.		Comm.		Lines		Loans		Indirect		Consum.		C&I		Resid.		Comm.		Total
Originated loan balance:
Past due:
30-59 Days	$	791	$	200	$	1,033	$	402		—	$	12	$	2,197		—		—	$	4,635
60-89 Days		—		491		324		341		—		40		—		—		—		1,196
> 90 Days		271		3,425		520		82		—		19		24		—		—		4,341
Total past due	$	1,062	$	4,116	$	1,877	$	825		—	$	71	$	2,221		—		—	$	10,172
Current		206,523		1,159,527		283,542		33,892		—		28,927		168,099		—		—		1,978,573
Total orig. loans	$	207,585	$	1,163,643	$	285,419	$	34,717		—	$	28,998	$	170,320	$	31,778	$	66,285	$	1,988,745
> 90 Days and still accruing		—		—		—		—		—		—		—		—		—		—
Nonaccrual loans	$	3,045	$	14,196	$	3,379	$	1,195		—	$	21	$	976	$	12		—	$	22,824

The following table shows the ending balance of current, past due, and nonaccrual PNCI loans by loan category as of the date indicated:

	Analysis of Past Due and Nonaccrual PNCI Loans – As of December 31, 2015
	RE Mortgage				Home Equity				Auto		Other				Construction
(in thousands)	Resid.		Comm.		Lines		Loans		Indirect		Consum.		C&I		Resid.		Comm.		Total
PNCI loan balance:
Past due:
30-59 Days	$	3,106	$	4,037	$	92	$	23		—		—	$	1		—		—	$	7,259
60-89 Days		—		—		—		—		—	$	13		—		—		—		13
> 90 Days		58		748		275		71		—		10		—		—	$	490		1,652
Total past due	$	3,164	$	4,785	$	367	$	94		—	$	23	$	1		—	$	490	$	8,924
Current		101,371		306,079		28,968		3,924		—		3,344		19,743	$	13,636		7,999		485,064
Total PNCI loans	$	104,535	$	310,864	$	29,335	$	4,018		—	$	3,367	$	19,744	$	13,636	$	8,489	$	493,988
> 90 Days and still accruing		—		—		—		—		—		—		—		—		—		—
Nonaccrual loans	$	348	$	3,742	$	676	$	109		—	$	33		—		—	$	490	$	5,398

Impaired Loans

Impaired originated loans are those where management has concluded that it is probable that the borrower will be unable to pay all amounts due under the contractual terms. The following tables show the recorded investment (financial statement balance), unpaid principal balance, average recorded investment, and interest income recognized for impaired Originated and PNCI loans, segregated by those with no related allowance recorded and those with an allowance recorded for the periods indicated.

	Impaired Originated Loans – As of December 31, 2016
	RE Mortgage				Home Equity				Auto		Other				Construction
(in thousands)	Resid.		Comm.		Lines		Loans		Indirect		Consum.		C&I		Resid.		Comm.		Total
With no related allowance recorded:
Recorded investment	$	1,691	$	13,144	$	1,480	$	598		—	$	15	$	762	$	11		—	$	17,701
Unpaid principal	$	1,699	$	13,488	$	1,561	$	922		—	$	29	$	926	$	16		—	$	18,641
Average recorded Investment	$	2,788	$	20,126	$	2,221	$	773	$	1	$	16	$	669	$	7		—	$	26,601
Interest income Recognized	$	83	$	581	$	40	$	4		—	$	1	$	48		—		—	$	757
With an allowance recorded:
Recorded investment	$	1,372	$	646	$	430	$	485		—	$	18	$	3,334		—		—	$	6,285
Unpaid principal	$	1,372	$	646	$	440	$	487		—	$	19	$	3,385		—		—	$	6,349
Related allowance	$	170	$	19	$	110	$	102		—	$	13	$	1,130		—		—	$	1,544
Average recorded Investment	$	1,689	$	1,032	$	1,077	$	579		—	$	9	$	2,714		—		—	$	7,100
Interest income Recognized	$	56	$	37	$	9	$	25		—	$	2	$	77		—		—	$	206

	Impaired PNCI Loans – As of December 31, 2016
	RE Mortgage				Home Equity				Auto		Other				Construction
(in thousands)	Resid.		Comm.		Lines		Loans		Indirect		Consum.		C&I		Resid.		Comm.		Total
With no related allowance recorded:
Recorded investment	$	463	$	1,826	$	735	$	67		—	$	3		—		—		—	$	3,094
Unpaid principal	$	486	$	2,031	$	746	$	74		—	$	4		—		—		—	$	3,341
Average recorded Investment	$	669	$	1,479	$	594	$	69		—	$	18	$	1		—	$	245	$	3,075
Interest income Recognized	$	7		—	$	9	$	1		—		—		—		—		—	$	17
With an allowance recorded:
Recorded investment	$	259	$	132	$	551		—		—	$	118		—		—		—	$	1,060
Unpaid principal	$	259	$	132	$	551		—		—	$	118		—		—		—	$	1,060
Related allowance	$	79	$	108	$	300		—		—	$	15		—		—		—	$	502
Average recorded Investment	$	130	$	1,440	$	579	$	19		—	$	176		—		—		—	$	2,344
Interest income Recognized	$	10	$	7	$	27		—		—	$	5		—		—		—	$	49
	Impaired Originated Loans – As of December 31, 2015
	RE Mortgage				Home Equity				Auto		Other				Construction
(in thousands)	Resid.		Comm.		Lines		Loans		Indirect		Consum.		C&I		Resid.		Comm.		Total
With no related allowance recorded:
Recorded investment	$	3,886	$	27,109	$	2,963	$	947		—	$	20	$	576	$	4		—	$	35,505
Unpaid principal	$	5,998	$	29,678	$	6,079	$	1,349		—	$	35	$	688	$	65		—	$	43,892
Average recorded Investment	$	3,586	$	32,793	$	2,982	$	848		—	$	29	$	494	$	1,202	$	50	$	41,984
Interest income Recognized	$	81	$	893	$	23	$	5		—		—	$	29		—		—	$	1,031
With an allowance recorded:
Recorded investment	$	2,006	$	1,418	$	1,724	$	674		—	$	1	$	2,094		—		—	$	7,917
Unpaid principal	$	2,073	$	1,453	$	1,904	$	701		—	$	1	$	2,117		—		—	$	8,249
Related allowance	$	335	$	146	$	525	$	256		—	$	1	$	1,187		—		—	$	2,450
Average recorded Investment	$	2,365	$	2,180	$	2,455	$	589		—	$	23	$	1,716	$	141		—	$	9,469
Interest income Recognized	$	49	$	74	$	31	$	26		—		—	$	122		—		—	$	302
	Impaired PNCI Loans – As of December 31, 2015
	RE Mortgage				Home Equity				Auto		Other				Construction
(in thousands)	Resid.		Comm.		Lines		Loans		Indirect		Consum.		C&I		Resid.		Comm.		Total
With no related allowance recorded:
Recorded investment	$	875	$	1,132	$	454	$	71		—	$	33	$	1		—	$	490	$	3,056
Unpaid principal	$	908	$	1,248	$	505	$	73		—	$	52	$	1		—	$	490	$	3,277
Average recorded Investment	$	609	$	749	$	400	$	48		—	$	35	$	4		—	$	245	$	2,090
Interest income Recognized	$	31	$	32	$	3	$	2		—	$	1		—		—	$	18	$	87
With an allowance recorded:
Recorded investment		—	$	2,748	$	606	$	39		—	$	234		—		—		—	$	3,627
Unpaid principal		—	$	2,858	$	612	$	40		—	$	234		—		—		—	$	3,744
Related allowance		—	$	248	$	80	$	39		—	$	73		—		—		—	$	440
Average recorded Investment	$	417	$	1,447	$	521	$	19		—	$	227		—		—		—	$	2,631
Interest income Recognized		—	$	149	$	14		—		—	$	11		—		—		—	$	174

Troubled Debt Restructurings

The following tables show certain information regarding Troubled Debt Restructurings (TDRs) that occurred during the periods indicated:

	TDR Information for the Year Ended December 31, 2016
	RE Mortgage				Home Equity				Auto		Other				Construction
(dollars in thousands)	Resid.		Comm.		Lines		Loans		Indirect		Consum.		C&I		Resid.		Comm.		Total
Number		3		5		9		1		—		2		4		—		—		24
Pre-mod outstanding principal balance	$	650	$	423	$	707	$	105		—	$	27	$	77		—		—	$	1,989
Post-mod outstanding principal balance	$	656	$	461	$	709	$	105		—	$	27	$	77		—		—	$	2,035
Financial impact due to TDR taken as additional provision	$	50	$	46	$	205		—		—	$	2	$	23		—		—	$	326
Number that defaulted during the period		2		—		1		—		—		—		—		—		—		3
Recorded investment of TDRs that defaulted during the period	$	101		—	$	229		—		—		—		—		—		—	$	330
Financial impact due to the default of previous TDR taken as charge-offs or additional provisions		—		—		—		—		—		—		—		—		—		—

	TDR Information for the Year Ended December 31, 2015
	RE Mortgage					Home Equity					Auto		Other				Construction
(dollars in thousands)	Resid.		Comm.			Lines		Loans			Indirect		Consum.		C&I		Resid.		Comm.		Total
Number		4		5			2		2			—		2		8		—		—		23
Pre-mod outstanding principal balance	$	800	$	1,518		$	301	$	315			—	$	89	$	956		—		—	$	3,979
Post-mod outstanding principal balance	$	801	$	1,517		$	301	$	321			—	$	89	$	944		—		—	$	3,973
Financial impact due to TDR taken as additional provision	$	8	$	(5	)		—	$	38			—	$	5	$	405		—		—	$	451
Number that defaulted during the period		4		2			3		1			—		—		—		—		—		10
Recorded investment of TDRs that defaulted during the period	$	221	$	280		$	182	$	53			—		—		—		—		—	$	736
Financial impact due to the default of previous TDR taken as charge-offs or additional provisions		—		—			—	$	(9	)		—		—		—		—		—	$	(9	)