Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2018

Employee Benefit Plans

Schedule of components of net periodic benefit cost

	SERP				SERP
	Three Months Ended				Six Months Ended
	June 30,				June 30,
(Dollars in thousands)	2018		2017		2018		2017
Net periodic benefit cost for the period:
Service cost	$	20	$	10	$	40	$	20
Interest cost		38		35		75		70
Expected return on plan assets		—		—		—		—
Amortization of prior service cost		—		—		—		—
Recognized actuarial loss		—		—		—		—
Recognized curtailment loss		—		—		—		—
Net periodic benefit cost	$	58	$	45	$	115	$	90