Commitments and Contingencies (Tables)
 12 Months Ended
Dec. 31, 2016
Commitments And Contingencies Disclosure [Abstract]  
Summary of Contractual Amounts of Off-balance Sheet Financial Instruments

Contractual amounts of off-balance sheet financial instruments were as follows:

(in thousands)

 

2016

 

 

2015

 

Commitments to extend credit, including unsecured commitments of $11,230 and $12,869 as of December 31, 2016 and 2015, respectively

 

$

445,645

 

 

$

382,928

 

Stand-by letters of credit and bond commitments, including unsecured commitments of $660 and $1,391 as of December 31, 2016 and 2015, respectively

 

 

29,332

 

 

 

36,333

 

Unused credit card lines, all unsecured

 

 

25,803

 

 

 

25,512