Retirement Plans (Tables) - Non-contributory defined benefit pension plan

12 Months Ended

Dec. 31, 2015

Retirement Plans

Schedule of the pension plan's funded status and amounts recognized in the company's accompanying consolidated financial statements

	December 31,
(Dollars in thousands)	2015		2014		2013
Change in benefit obligation:
Benefit obligation at beginning of year	$	28,002	$	24,608	$	26,703
Interest cost		1,017		1,111		997
Actuarial (gain) loss		132		3,057		(2,359)
Benefits paid		(891)		(774)		(733)
Benefit obligation at end of year		28,260		28,002		24,608
Change in plan assets:
Fair value of plan assets at beginning of year		28,451		27,033		22,219
Actual return on plan assets		(116)		1,592		4,347
Employer contribution		—		600		1,200
Benefits paid		(891)		(774)		(733)
Fair value of plan assets at end of year		27,444		28,451		27,033
Funded status	$	(816)	$	449	$	2,425

Schedule of components of net periodic benefit cost and other amounts recognized in other comprehensive income

	Year Ended
	December 31,
(Dollars in thousands)	2015		2014		2013
Interest cost	$	1,017	$	1,110	$	997
Expected return on plan assets		(2,067)		(1,938)		(1,721)
Recognized net actuarial loss		898		659		1,206
Net periodic pension benefit (expense)		(152)		(169)		482
Net (gain) loss		2,315		3,404		(4,986)
Amortization of net loss		(898)		(659)		(1,206)
Total amount recognized in other comprehensive income		1,417		2,745		(6,192)
Total recognized in net periodic benefit cost and other comprehensive income	$	1,265	$	2,576	$	(5,710)

Schedule of accumulated benefit obligations in excess of plan assets

	December 31,
(Dollars in thousands)	2015		2014
Projected benefit obligation	$	28,260	$	28,002
Accumulated benefit obligation		28,260		28,002
Fair value of plan assets		27,444		28,451

Schedule of weighted average assumptions used to determine benefit obligations and net periodic benefit cost

	Year ended
	December 31,
	2015		2014		2013
Discount rate	3.70	%	4.60	%	3.80	%
Expected long-term return on plan assets	7.75	%	7.75	%	7.75	%

Schedule of long-term rate of return and standard deviation assumptions used in developing long-term rate of return assumption for the pension plan

	Rate of		Standard
	Return		Deviation
Asset Class	Assumption		Assumption
Cash Equivalents	3.00	%	0.51	%
High Grade Fixed Income	6.22	%	3.49	%
High Yield Fixed Income	7.94	%	8.95	%
International Fixed Income	6.40	%	8.15	%
Large Cap Equity	9.85	%	15.01	%
Mid Cap Equity	11.16	%	17.09	%
Mid/Small Cap Equity	10.66	%	18.31	%
Small Cap Equity	10.17	%	19.52	%
Foreign Equity	7.09	%	17.46	%

Schedule of fair values of the company's pension plan assets

			Quoted Prices
			In Active		Significant
			Markets		Other		Significant
	Fair Value		for Identical		Observable		Unobservable
	December 31,		Assets		Inputs		Inputs
(Dollars in thousands)	2015		(Level 1)		(Level 2)		(Level 3)
Cash and cash equivalents	$	15	$	15	$	—	$	—
Money market funds		2,576		2,576		—		—
Broad market fixed income		7,716		7,716		—		—
Domestic equity		14,858		14,858		—		—
Foreign equity		2,279		2,279		—		—
Total assets	$	27,444	$	27,444	$	—	$	—

Schedule of estimated future benefit payments

(Dollars in thousands)
2016	$	1,293
2017		1,376
2018		1,430
2019		1,480
2020		1,550
2021-2025		8,051
	$	15,180

Schedule of expenses incurred and charged against operations with regard to all of the company's retirement plans

	Year Ended December 31,
(Dollars in thousands)	2015		2014		2013
Pension	$	(152)	$	(169)	$	482
Employee savings plan/ 401(k)		5,873		4,966		3,508
Supplemental executive retirement plan		306		88		455
Post-retirement benefits		212		242		164
	$	6,239	$	5,127	$	4,609