Loans (Tables)

12 Months Ended

Dec. 31, 2017

Debt Disclosure [Abstract]

Summary of Composition of Loan Portfolio

The following summary shows the composition of the loan portfolio at the dates indicated.

December 31,	2017		2016
(dollars in thousands)
Construction and land development	$	18,931	$	14,928
Commercial and industrial		763,807		612,503
Municipal		106,599		135,418
Commercial real estate		732,491		696,173
Residential real estate		287,731		241,357
Consumer		18,458		11,013
Home equity		247,345		211,857
Overdrafts		582		684
Total	$	2,175,944	$	1,923,933

Composition of Nonaccrual Loans and Impaired Loans

The composition of nonaccrual loans and impaired loans is as follows:

December 31,	2017		2016		2015
(dollars in thousands)
Loans on nonaccrual	$	1,684	$	1,084	$	2,336
Loans 90 days past due and still accruing		—		—		—
Impaired loans on nonaccrual included above		254		304		332
Total recorded investment in impaired loans		7,114		3,830		3,225
Average recorded investment of impaired loans		5,608		3,661		4,490
Accruing troubled debt restructures		2,749		3,526		2,893
Interest income not recorded on nonaccrual loans according to their original terms		51		37		91
Interest income on nonaccrual loans actually recorded		—		—		—
Interest income recognized on impaired loans		182		140		104

Aggregate Amount of Loans to Directors and Officers of Company and their Associates

The following table shows the aggregate amount of loans to directors and officers of the Company and their associates during 2017.

Balance at December 31, 2016	Additions		Repayments and Deletions		Balance at December 31, 2017
(dollars in thousands)
$10,982	$	572	$	5,729	$	5,825