Off-Balance Sheet Activities (Tables)

12 Months Ended

Dec. 31, 2017

Off Balance Sheet Activities [Abstract]

Off-balance sheet financial instruments outstanding

The following off-balance sheet financial instruments whose contract amounts represent credit risk were outstanding at December 31, 2017 and 2016 (dollars in thousands):

	December 31,
	2017		2016
Commitments to extend credit	$	341,760	$	345,803
Standby letters of credit	13,647		4,088
Mortgage loan rate lock commitments	5,089		12,839