Allowance for Loan Losses (Tables)

3 Months Ended

Mar. 31, 2018

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 – Three Months Ended March 31, 2018
	RE Mortgage						Home Equity						Other						Construction
(in thousands)	Resid.			Comm.			Lines			Loans			Consum.			C&I			Resid.			Comm.			Total
Beginning balance	$	2,317		$	11,441		$	5,800		$	1,841		$	586		$	6,512		$	1,184		$	642		$	30,323
Charge-offs		(1	)		—			(80	)		—			(194	)		(205	)		—			—			(480	)
Recoveries		—			15			209			14			78			50			—			—			366
(Benefit) provision		(146	)		39			(517	)		(119	)		100			35			167			205			(236	)
Ending balance	$	2,170		$	11,495		$	5,412		$	1,736		$	570		$	6,392		$	1,351		$	847		$	29,973
Ending balance:
Individ. evaluated for impairment	$	190		$	154		$	448		$	130		$	56		$	2,113			—			—		$	3,091
Loans pooled for evaluation	$	1,910		$	11,281		$	4,956		$	1,606		$	514		$	4,249		$	1,351		$	847		$	26,714
Loans acquired with deteriorated credit quality	$	70		$	60		$	8			—			—		$	30			—			—		$	168
	Loans, net of unearned fees – As of March 31, 2018
	RE Mortgage						Home Equity						Other						Construction
(in thousands)	Resid.			Comm.			Lines			Loans			Consum.			C&I			Resid.			Comm.			Total
Ending balance:
Total loans	$	386,111		$	1,973,268		$	283,251		$	41,932		$	23,606		$	216,015		$	71,598		$	73,952		$	3,069,733
Individ. evaluated for impairment	$	5,535		$	11,110		$	2,450		$	1,673		$	278		$	4,621		$	136			—		$	25,803
Loans pooled for evaluation	$	378,832		$	1,954,120		$	279,140		$	39,774		$	23,285		$	208,889		$	71,462		$	73,952		$	3,029,454
Loans acquired with deteriorated credit quality	$	1,744		$	8,038		$	1,661		$	485		$	43		$	2,505			—			—		$	14,476
	Allowance for Loan Losses—Year Ended December 31, 2017
	RE Mortgage						Home Equity						Other						Construction
(in thousands)	Resid.			Comm.			Lines			Loans			Consum.			C&I			Resid.			Comm.			Total
Beginning balance	$	2,748		$	11,517		$	7,044		$	2,644		$	622		$	5,831		$	1,417		$	680		$	32,503
Charge-offs		(60	)		(186	)		(98	)		(332	)		(1,186	)		(1,444	)		(1,104	)		—			(4,410	)
Recoveries		—			397			698			242			375			428			—			1			2,141
(Benefit) provision		(371	)		(287	)		(1,844	)		(713	)		775			1,697			871			(39	)		89
Ending balance	$	2,317		$	11,441		$	5,800		$	1,841		$	586		$	6,512		$	1,184		$	642		$	30,323
Ending balance:
Individ. evaluated for impairment	$	230		$	30		$	427		$	107		$	57		$	1,848			—			—		$	2,699
Loans pooled for evaluation	$	1,932		$	11,351		$	5,356		$	1,734		$	529		$	4,624		$	1,184		$	642		$	27,352
Loans acquired with deteriorated credit quality	$	155		$	60		$	17			—			—		$	40			—			—		$	272
	Loans, net of unearned fees – As of December 31, 2017
	RE Mortgage						Home Equity						Other						Construction
(in thousands)	Resid.			Comm.			Lines			Loans			Consum.			C&I			Resid.			Comm.			Total
Ending balance:
Total loans	$	385,426		$	1,914,896		$	288,688		$	43,031		$	25,155		$	220,412		$	67,930		$	69,627		$	3,015,165
Individ. evaluated for impairment	$	5,298		$	13,911		$	2,688		$	1,470		$	257		$	4,470		$	140			—		$	28,234
Loans pooled for evaluation	$	378,743		$	1,892,422		$	283,502		$	41,076		$	24,853		$	213,358		$	67,790		$	69,627		$	2,971,371
Loans acquired with deteriorated credit quality	$	1,385		$	8,563		$	2,498		$	485		$	45		$	2,584			—			—		$	15,560
	Allowance for Loan Losses – Three Months Ended March 31, 2017
	RE Mortgage						Home Equity						Other						Construction
(in thousands)	Resid.			Comm.			Lines			Loans			Consum.			C&I			Resid.			Comm.			Total
Beginning balance	$	2,748		$	11,517		$	7,044		$	2,644		$	622		$	5,831		$	1,417		$	680		$	32,503
Charge-offs		—			—			(71	)		(31	)		(174	)		(133	)		—			—			(409	)
Recoveries		—			110			46			12			141			170			—			1			480
(Benefit) provision		(86	)		(85	)		(489	)		(174	)		6			(542	)		(78	)		(109	)		(1,557	)
Ending balance	$	2,662		$	11,542		$	6,530		$	2,451		$	595		$	5,326		$	1,339		$	572		$	31,017
Ending balance:
Individ. evaluated for impairment	$	249		$	124		$	400		$	57		$	31		$	811		$	14			—		$	1,686
Loans pooled for evaluation	$	2,188		$	9,971		$	6,122		$	2,328		$	564		$	3,873		$	1,282		$	572		$	26,900
Loans acquired with deteriorated credit quality	$	225		$	1,447		$	8		$	66			—		$	642		$	43			—		$	2,431
	Loans, net of unearned fees – As of March 31, 2017
	RE Mortgage						Home Equity						Other						Construction
(in thousands)	Resid.			Comm.			Lines			Loans			Consum.			C&I			Resid.			Comm.			Total
Ending balance:
Total loans	$	309,701		$	1,761,114		$	283,596		$	40,241		$	29,313		$	212,685		$	59,699		$	64,843		$	2,761,192
Individ. evaluated for impairment	$	3,849		$	16,979		$	2,204		$	1,241		$	280		$	3,072		$	25			—		$	27,650
Loans pooled for evaluation	$	304,493		$	1,731,785		$	277,388		$	37,867		$	28,967		$	205,832		$	58,830		$	64,843		$	2,710,005
Loans acquired with deteriorated credit quality	$	1,359		$	12,350		$	4,004		$	1,133		$	66		$	3,781		$	844			—		$	23,537

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 March 31, 2018
	RE Mortgage				Home Equity				Other				Construction
(in thousands)	Resid.		Comm.		Lines		Loans		Consum.		C&I		Resid.		Comm.		Total
Originated loans:
Pass	$	317,799	$	1,716,599	$	263,270	$	35,730	$	21,067	$	193,829	$	71,482	$	68,846	$	2,688,622
Special mention		2,274		23,679		1,628		1,532		238		7,263		—		4,855		41,469
Substandard		3,088		13,784		1,753		1,627		117		4,581		107		—		25,057
Loss		—		—		—		—		—		—		—		—		—
Total originated	$	323,161	$	1,754,062	$	266,651	$	38,889	$	21,422	$	205,673	$	71,589	$	73,701	$	2,755,148
PNCI loans:
Pass	$	59,184	$	201,641	$	13,686	$	2,301	$	2,067	$	7,837	$	9	$	251	$	286,976
Special mention		214		8,977		282		184		37		—		—		—		9,694
Substandard		1,808		550		971		73		37		—		—		—		3,439
Loss		—		—		—		—		—		—		—		—		—
Total PNCI	$	61,206	$	211,168	$	14,939	$	2,558	$	2,141	$	7,837	$	9	$	251	$	300,109
PCI loans	$	1,744	$	8,038	$	1,661	$	485	$	43	$	2,505		—		—	$	14,476
Total loans	$	386,111	$	1,973,268	$	283,251	$	41,932	$	23,606	$	216,015	$	71,598	$	73,952	$	3,069,733
	Credit Quality Indicators – As of December 31, 2017
	RE Mortgage				Home Equity				Other				Construction
(in thousands)	Resid.		Comm.		Lines		Loans		Consum.		C&I		Resid.		Comm.		Total
Originated loans:
Pass	$	315,120	$	1,649,333	$	265,345	$	37,428	$	22,432	$	195,208	$	67,813	$	64,492	$	2,617,171
Special mention		2,234		18,434		2,558		800		272		9,492		—		4,872		38,662
Substandard		3,168		22,743		2,039		1,620		155		4,737		107		—		34,569
Loss		—		—		—		—		—		—		—		—		—
Total originated	$	320,522	$	1,690,510	$	269,942	$	39,848	$	22,859	$	209,437	$	67,920	$	69,364	$	2,690,402
PNCI loans:
Pass	$	61,411	$	203,751	$	14,866	$	2,433	$	2,207	$	8,390	$	10	$	263	$	293,331
Special mention		218		11,513		450		188		38		1		—		—		12,408
Substandard		1,890		559		932		77		6		—		—		—		3,464
Loss		—		—		—		—		—		—		—		—		—
Total PNCI	$	63,519	$	215,823	$	16,248	$	2,698	$	2,251	$	8,391	$	10	$	263	$	309,203
PCI loans	$	1,385	$	8,563	$	2,498	$	485	$	45	$	2,584		—		—	$	15,560
Total loans	$	385,426	$	1,914,896	$	288,688	$	43,031		25,155	$	220,412	$	67,930	$	69,627	$	3,015,165

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 March 31, 2018
	RE Mortgage				Home Equity				Other				Construction
(in thousands)	Resid.		Comm.		Lines		Loans		Consum.		C&I		Resid.		Comm.		Total
Originated loan balance:
Past due:
30-59 Days	$	2,217	$	5,531	$	938	$	1,490	$	63	$	915	$	298	$	—	$	11,452
60-89 Days		—		—		26		18		18		534		—		1,249		1,845
> 90 Days		846		1,162		320		154		—		1,557		—		—		4,039
Total past due		3,063		6,693		1,284		1,662		81		3,006		298		1,249		17,336
Current		320,098		1,747,369		265,367		37,227		21,341		202,667		71,291		72,452		2,737,812
Total originated loans	$	323,161	$	1,754,062	$	266,651	$	38,889	$	21,422	$	205,673	$	71,589	$	73,701	$	2,755,148
> 90 Days and still accruing		—		—		—		—		—		—		—		—		—
Nonaccrual loans	$	2,235	$	7,925	$	733	$	1,193	$	4	$	3,990		—		—	$	16,080

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 March 31, 2018
	RE Mortgage				Home Equity				Other				Construction
(in thousands)	Resid.		Comm.		Lines		Loans		Consum.		C&I		Resid.		Comm.		Total
PNCI loan balance:
Past due:
30-59 Days	$	2,537		—	$	362	$	2		—	$	1		—		—	$	2,902
60-89 Days		—		—		—		—		4		—		—		—		4
> 90 Days		—		—		146		—		28		—		—		—		174
Total past due		2,537		—		508		2		32		1		—		—		3,080
Current		58,669		211,168		14,431		2,556		2,109		7,836		9		251		297,029
Total PNCI loans	$	61,206	$	211,168	$	14,939	$	2,558	$	2,141	$	7,837	$	9	$	251	$	300,109
> 90 Days and still accruing		—		—		—		—		—		—		—		—		—
Nonaccrual loans	$	1,067		—	$	571	$	40	$	33		—		—		—	$	1,711

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, 2017
	RE Mortgage				Home Equity				Other				Construction
(in thousands)	Resid.		Comm.		Lines		Loans		Consum.		C&I		Resid.		Comm.		Total
Originated loan balance:
Past due:
30-59 Days	$	1,740	$	158	$	528	$	511	$	56	$	956	$	34		—	$	3,983
60-89 Days		510		987		48		107		36		738		—		—		2,426
> 90 Days		243		—		372		373		3		1,527		—		—		2,518
Total past due	$	2,493	$	1,145	$	948	$	991	$	95	$	3,221	$	34		—	$	8,927
Current		318,029		1,689,365		268,994		38,857		22,764		206,216		67,886	$	69,364		2,681,475
Total originated loans	$	320,522	$	1,690,510	$	269,942	$	39,848	$	22,859	$	209,437	$	67,920	$	69,364	$	2,690,402
> 90 Days and still accruing		—		—		—		—		—		—		—		—		—
Nonaccrual loans	$	1,725	$	8,144	$	811	$	1,106	$	7	$	3,669		—		—	$	15,462

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, 2017
	RE Mortgage				Home Equity				Other				Construction
(in thousands)	Resid.		Comm.		Lines		Loans		Consum.		C&I		Resid.		Comm.		Total
PNCI loan balance:
Past due:
30-59 Days	$	1,495	$	70	$	298	$	30	$	6		—		—		—	$	1,899
60-89 Days		90		—		228		—		26		—		—		—		344
> 90 Days		109		—		330		—		—		—		—		—		439
Total past due	$	1,694	$	70	$	856	$	30	$	32		—		—		—	$	2,682
Current		61,825		215,753		15,392		2,668		2,219	$	8,391	$	10	$	263		306,521
Total PNCI loans	$	63,519	$	215,823	$	16,248	$	2,698	$	2,251	$	8,391	$	10	$	263	$	309,203
> 90 Days and still accruing	$	81		—	$	200		—		—		—		—		—	$	281
Nonaccrual loans	$	1,012		—	$	402	$	44	$	5		—		—		—	$	1,463

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 original 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, or for the Three Months Ended, March 31, 2018
	RE Mortgage				Home Equity				Other				Construction
(in thousands)	Resid.		Comm.		Lines		Loans		Consum.		C&I		Resid.		Comm.		Total
With no related allowance recorded:
Recorded investment	$	2,678	$	9,848	$	888	$	1,193		—	$	881	$	136		—	$	15,624
Unpaid principal	$	2,829	$	10,126	$	944	$	1,548		—	$	894	$	136		—	$	16,477
Average recorded investment	$	2,368	$	11,474	$	991	$	1,150	$	2	$	728	$	138		—	$	16,851
Interest income recognized	$	19	$	35	$	6		—		—	$	9	$	2		—	$	71
With an allowance recorded:
Recorded investment	$	1,525	$	1,262	$	527	$	196	$	4	$	3,740		—		—	$	7,254
Unpaid principal	$	1,549	$	1,281	$	534	$	196	$	4	$	3,862		—		—	$	7,426
Related allowance	$	190	$	154	$	146	$	10	$	4	$	2,113		—		—	$	2,617
Average recorded investment	$	1,703	$	1,036	$	464	$	197	$	4	$	3,817		—		—	$	7,221
Interest income recognized	$	9	$	9	$	4	$	2		—	$	17		—		—	$	41
	Impaired PNCI Loans – As of, or for the Three Months Ended, March 31, 2018
	RE Mortgage				Home Equity				Other				Construction
(in thousands)	Resid.		Comm.		Lines		Loans		Consum.		C&I		Resid.		Comm.		Total
With no related allowance recorded:
Recorded investment	$	1,332		—	$	501	$	40	$	28		—		—		—	$	1,901
Unpaid principal	$	1,390		—	$	529	$	54	$	28		—		—		—	$	2,001
Average recorded investment	$	1,345		—	$	546	$	42	$	14		—		—		—	$	1,947
Interest income recognized	$	2		—	$	2				—		—		—		—	$	4
With an allowance recorded:
Recorded investment		—		—	$	534	$	244	$	246		—		—		—	$	1,024
Unpaid principal		—		—	$	536	$	244	$	246		—		—		—	$	1,026
Related allowance		—		—	$	302	$	120	$	52		—		—		—	$	474
Average recorded investment		—		—	$	568	$	183	$	248		—		—		—	$	999
Interest income recognized		—		—	$	3	$	3	$	2		—		—		—	$	8
	Impaired Originated Loans – As of, or for the Twelve Months Ended, December 31, 2017
	RE Mortgage				Home Equity				Other				Construction
(in thousands)	Resid.		Comm.		Lines		Loans		Consum.		C&I		Resid.		Comm.		Total
With no related allowance recorded:
Recorded investment	$	2,058	$	13,101	$	1,093	$	1,107	$	4	$	575	$	140		—	$	18,078
Unpaid principal	$	2,109	$	13,360	$	1,175	$	1,429	$	52	$	585	$	140		—	$	18,850
Average recorded investment	$	1,875	$	13,123	$	1,287	$	852	$	10	$	668	$	76		—	$	17,891
Interest income recognized	$	85	$	609	$	39	$	14		—	$	18	$	9		—	$	774
With an allowance recorded:
Recorded investment	$	1,881	$	810	$	401	$	198	$	3	$	3,895		—		—	$	7,188
Unpaid principal	$	1,914	$	826	$	406	$	198	$	3	$	3,981		—		—	$	7,328
Related allowance	$	230	$	30	$	111	$	10	$	3	$	1,848		—		—	$	2,232
Average recorded investment	$	1,626	$	728	$	415	$	341	$	10	$	3,615		—		—	$	6,735
Interest income recognized	$	58	$	36	$	8	$	10		—	$	166		—		—	$	278
	Impaired PNCI Loans – As of, or for the Twelve Months Ended, December 31, 2017
	RE Mortgage				Home Equity				Other				Construction
(in thousands)	Resid.		Comm.		Lines		Loans		Consum.		C&I		Resid.		Comm.		Total
With no related allowance recorded:
Recorded investment	$	1,359		—	$	591	$	44		—		—		—		—	$	1,994
Unpaid principal	$	1,404		—	$	612	$	57		—		—		—		—	$	2,073
Average recorded investment	$	911	$	913	$	663	$	56	$	2		—		—		—	$	2,545
Interest income recognized	$	24		—	$	22		—		—		—		—		—	$	46
With an allowance recorded:
Recorded investment		—		—	$	603	$	121	$	250		—		—		—	$	974
Unpaid principal		—		—	$	604	$	121	$	250		—		—		—	$	975
Related allowance		—		—	$	316	$	97	$	54		—		—		—	$	467
Average recorded investment	$	130	$	66	$	577	$	61	$	184		—		—		—	$	1,018
Interest income recognized		—		—	$	26	$	6	$	11		—		—		—	$	43

	Impaired Originated Loans – As of, or for the Three Months Ended, March 31, 2017
	RE Mortgage				Home Equity				Other				Construction
(in thousands)	Resid.		Comm.		Lines		Loans		Consum.		C&I		Resid.		Comm.		Total
With no related allowance recorded:
Recorded investment	$	1,782	$	14,431	$	1,064	$	743	$	5	$	1,289	$	11		—	$	19,325
Unpaid principal	$	1,793	$	14,881	$	1,144	$	1,085	$	6	$	1,312	$	16		—	$	20,237
Average recorded investment	$	2,834	$	20,770	$	2,013	$	845	$	12	$	932	$	7		—	$	27,413
Interest income recognized	$	20	$	98	$	6	$	1		—	$	7		—		—	$	132
With an allowance recorded:
Recorded investment	$	1,378	$	640	$	427	$	440	$	21	$	1,783	$	14		—	$	4,703
Unpaid principal	$	1,382	$	640	$	440	$	443	$	22	$	1,842	$	14		—	$	4,783
Related allowance	$	172	$	18	$	106	$	57	$	14	$	811	$	14		—	$	1,192
Average recorded investment	$	1,692	$	1,029	$	1,076	$	557	$	11	$	1,938	$	7		—	$	6,310
Interest income recognized	$	11	$	9	$	1	$	5		—	$	14		—		—	$	40
	Impaired PNCI Loans – As of, or for the Three Months Ended, March 31, 2017
	RE Mortgage				Home Equity				Other				Construction
(in thousands)	Resid.		Comm.		Lines		Loans		Consum.		C&I		Resid.		Comm.		Total
With no related allowance recorded:
Recorded investment	$	433	$	1,777	$	220	$	58	$	138		—		—		—	$	2,626
Unpaid principal	$	455	$	2,011	$	233	$	67	$	139		—		—		—	$	2,905
Average recorded investment	$	654	$	1,455	$	337	$	64	$	86	$	1		—	$	245	$	2,842
Interest income recognized	$	2		—	$	1		—	$	2		—		—		—	$	5
With an allowance recorded:
Recorded investment	$	256	$	131	$	493		—	$	116		—		—		—	$	996
Unpaid principal	$	256	$	131	$	493		—	$	116		—		—		—	$	996
Related allowance	$	77	$	106	$	295		—	$	16		—		—		—	$	494
Average recorded investment	$	128	$	1,440	$	550	$	19	$	175		—		—		—	$	2,312
Interest income recognized	$	2	$	2	$	5		—	$	1		—		—		—	$	10

Troubled Debt Restructurings

The following table shows certain information regarding TDRs that occurred during the period indicated:

	TDR Information for the Three Months Ended March 31, 2018
	RE Mortgage				Home Equity				Other				Construction
(dollars in thousands)	Resid.		Comm.		Lines		Loans		Consum.		C&I		Resid.		Comm.		Total
Number		—		1		1		1		—		—		—		—		3
Pre-mod outstanding principal balance		—	$	384	$	133	$	121		—		—		—		—	$	638
Post-mod outstanding principal balance		—	$	384	$	138	$	121		—		—		—		—	$	643
Financial impact due to TDR taken as additional provision		—	$	11		—		—		—		—		—		—	$	11
Number that defaulted during the period		—		1		—		—		—		—		—		—		1
Recorded investment of TDRs that defaulted during the period		—	$	169		—		—		—		—		—		—	$	169
Financial impact due to the default of previous TDR taken as charge-offs or additional provisions		—		—		—		—		—		—		—		—		—

The following table shows certain information regarding TDRs that occurred during the period indicated:     

	TDR Information for the Year Ended December 31, 2017
	RE Mortgage					Home Equity					Other				Construction
(dollars in thousands)	Resid.		Comm.			Lines			Loans		Consum.		C&I		Resid.		Comm.		Total
Number		1		8			3			1		1		11		1		—		26
Pre-mod outstanding principal balance	$	939	$	3,721		$	187		$	252	$	14	$	1,854	$	144		—	$	7,111
Post-mod outstanding principal balance	$	939	$	3,695		$	187		$	252	$	14	$	1,747	$	144		—	$	6,978
Financial impact due to TDR taken as additional provision	$	169	$	(111	)	$	27			—	$	11	$	37		—		—	$	133
Number that defaulted during the period		2		1			1			1		—		—		—		—		5
Recorded investment of TDRs that defaulted during the period	$	223	$	219		$	127		$	55		—		—		—		—	$	624
Financial impact due to the default of previous TDR taken as charge-offs or additional provisions		—		—		$	(5	)		—		—		—		—		—	$	(5	)