Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2015

Supplemental Retirement Plan

Benefit plans

Schedule of change in projected benefit obligation

	2015			2014
	(Dollars in thousands)
Change in projected benefit obligation:
Projected benefit obligation at beginning of year	$	24,570		$	20,712
Service cost		862			714
Actuarial loss (gain)		805			3,059
Interest cost		883			911
Benefits paid		(833	)		(826	)
Projected benefit obligation at end of year	$	26,287		$	24,570

Schedule of amounts recognized in accumulated other comprehensive loss

Amounts recognized in accumulated other comprehensive loss:
Net actuarial loss	$	7,149	$	6,730

Schedule of weighted-average assumptions used to determine the benefit obligation

	2015			2014
Discount rate		4.00	%		3.65	%
Rate of compensation increase		N/A			N/A

Schedule of estimated benefit payments over the next ten years, which reflect anticipated future events, service and other assumptions

Year	Estimated Benefit Payments
	(Dollars in thousands)
2016	$	919
2017		1,413
2018		1,549
2019		1,585
2020		1,635
2021 to 2025		9,468

Schedule of components of net periodic benefit cost

	2015		2014
	(Dollars in thousands)
Components of net periodic benefit cost:
Service cost	$	862	$	714
Interest cost		883		911
Amortization of net actuarial loss		386		142
Net periodic benefit cost	$	2,131	$	1,767

Schedule of assumption used to determine the net periodic benefit cost

	2015			2014
Discount rate		3.65	%		4.50	%
Rate of compensation increase		N/A			N/A

Split-Dollar Life Insurance Benefit Plan

Benefit plans

Schedule of change in projected benefit obligation

	2015		2014
	(Dollars in thousands)
Change in projected benefit obligation:
Projected benefit obligation at beginning of year	$	4,641	$	4,353
Interest cost		169		196
Actuarial loss.		1,405		92
Projected benefit obligation at end of year	$	6,215	$	4,641

Schedule of amounts recognized in accumulated other comprehensive loss

	2015		2014
	(Dollars in thousands)
Net actuarial loss	$	2,147	$	540
Prior transition obligation		1,418		1,507
Accumulated other comprehensive loss	$	3,565	$	2,047

Schedule of weighted-average assumptions used to determine the benefit obligation

	2015			2014
Discount rate		4.00	%		3.65	%

Schedule of components of net periodic benefit cost

	2015			2014
	(Dollars in thousands)
Amortization of prior transition obligation	$	(113	)	$	(102	)
Interest cost		169			196
Net periodic benefit cost	$	56		$	94

Schedule of assumption used to determine the net periodic benefit cost

	2015			2014
Discount rate		3.65	%		4.50	%