Employee Benefits (Tables)

12 Months Ended

Dec. 31, 2013

Compensation and Retirement Disclosure [Abstract]

Schedule of Projected Benefit Obligations, Fair Value of Plan Assets and Funded Status

The following table sets forth the plans’ projected benefit obligations, fair value of plan assets and funded status as of and for the years ended:

(Dollars in thousands)	Qualified Pension Plan						Non-Qualified Retirement Plans
At December 31,	2013			2012			2013			2012
Change in Benefit Obligation:
Benefit obligation at beginning of period		$70,615			$57,257			$12,569			$11,321
Service cost	2,720			2,574			181			150
Interest cost	2,883			2,823			462			503
Actuarial (gain) loss	(8,809		)	9,535			(1,332		)	1,315
Benefits paid	(2,004		)	(1,440		)	(736		)	(720		)
Administrative expenses	(182		)	(134		)	—			—
Curtailments	(4,061		)	—			(360		)	—
Benefit obligation at end of period		$61,162			$70,615			$10,784			$12,569
Change in Plan Assets:
Fair value of plan assets at beginning of period		$51,078			$38,330			$—			$—
Actual return on plan assets	8,168			4,322			—			—
Employer contributions	5,000			10,000			736			720
Benefits paid	(2,004		)	(1,440		)	(736		)	(720		)
Administrative expenses	(182		)	(134		)	—			—
Fair value of plan assets at end of period		$62,060			$51,078			$—			$—
Funded (unfunded) status at end of period		$898			($19,537	)		($10,784	)		($12,569	)

Schedule of Components of Accumulated Other Comprehensive Income (Loss) Related to Retirements Plans

The components of accumulated other comprehensive income related to the qualified pension plan and non-qualified retirement plans, on a pre-tax basis, are summarized below:

(Dollars in thousands)	Qualified Pension Plan						Non-Qualified Retirement Plans
At December 31,	2013			2012			2013			2012
Net actuarial loss		$4,510			$23,144			$2,071			$3,938
Prior service credit	(130		)	(221		)	(3		)	(5		)
Total pre-tax amounts recognized in accumulated other comprehensive income		$4,380			$22,923			$2,068			$3,933

Schedule of Net Periodic Benefit Costs and Other Amounts Recognized in Other Comprehensive Income

The components of net periodic benefit cost and other amounts recognized in other comprehensive income, on a pre-tax basis, were as follows:

(Dollars in thousands)	Qualified Pension Plan									Non-Qualified Retirement Plans
Years ended December 31,	2013			2012			2011			2013			2012			2011
Net Periodic Benefit Cost:
Service cost		$2,720			$2,574			$2,314			$181			$150			$71
Interest cost	2,883			2,823			2,578			462			503			495
Expected return on plan assets	(3,725		)	(2,985		)	(2,794		)	—			—			—
Amortization of prior service (credit) cost	(30		)	(33		)	(33		)	(1		)	(1		)	(1		)
Recognized net actuarial loss	1,321			982			392			175			119			16
Curtailments	(61		)	—			—			(1		)	—			—
Net periodic benefit cost		$3,108			$3,361			$2,457			$816			$771			$581
Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income (on a pre-tax basis):
Net loss (gain)		($14,572	)		$7,216			$8,951			($1,506	)		$1,195			$1,517
Prior service cost (credit)	30			33			33			1			1			1
Curtailments	(4,000		)	—			—			(359		)	—			—
Recognized in other comprehensive income		($18,542	)		$7,249			$8,984			($1,864	)		$1,196			$1,518
Total recognized in net periodic benefit cost and other comprehensive income		($15,434	)		$10,610			$11,441			($1,048	)		$1,967			$2,099

Schedule of Assumptions Used

The measurement date and weighted-average assumptions used to determine benefit obligations at December 31, 2013 and 2012 were as follows:

	Qualified Pension Plan		Non-Qualified Retirement Plans
	2013	2012	2013	2012
Measurement date	Dec 31, 2013	Dec 31, 2012	Dec 31, 2013	Dec 31, 2012
Discount rate	4.875%	4.125%	4.600%	3.750%
Rate of compensation increase	3.750%	3.750%	3.750%	3.750%

The measurement date and weighted-average assumptions used to determine net periodic benefit cost for the years ended December 31, 2013, 2012 and 2011 were as follows:

	Qualified Pension Plan			Non-Qualified Retirement Plans
	2013	2012	2011	2013	2012	2011
Measurement date	Dec 31, 2012	Dec 31, 2011	Dec 31, 2010	Dec 31, 2012	Dec 31, 2011	Dec 31, 2010
Discount rate	4.125%	5.000%	5.625%	3.800%	4.625%	5.125%
Expected long-term return on plan assets	7.250%	7.750%	8.000%	—%	—%	—%
Rate of compensation increase	3.750%	3.750%	3.750%	3.750%	3.750%	3.750%

Schedule of Allocation of Plan Assets

The asset allocations of the qualified pension plan at December 31, 2013 and 2012, by asset category were as follows:

December 31,	2013		2012
Asset Category:
Equity securities	63.8	%	55.0	%
Fixed securities	32.6	%	30.9	%
Cash and cash equivalents	3.6	%	14.1	%
Total	100.0	%	100.0	%

The following table presents the fair values of the qualified pension plan’s assets at December 31, 2013:

(Dollars in thousands)
	Fair Value Measurements Using						Assets at Fair Value
December 31, 2013	Level 1		Level 2		Level 3
Assets:
Cash and cash equivalents		$2,236		$—		$—		$2,236
Obligations of U.S. government agencies and U.S. government-sponsored enterprises	—		2,025		—		2,025
States and political subdivisions	—		2,218		—		2,218
Corporate bonds	—		11,069		—		11,069
Common stocks	24,406		—		—		24,406
Mutual funds	20,106		—		—		20,106
Total plan assets		$46,748		$15,312		$—		$62,060

The following table presents the fair values of the qualified pension plan’s assets at December 31, 2012:

(Dollars in thousands)
	Fair Value Measurements Using						Assets at Fair Value
December 31, 2012	Level 1		Level 2		Level 3
Assets:
Cash and cash equivalents		$7,274		$—		$—		$7,274
Obligations of U.S. government agencies and U.S. government-sponsored enterprises	—		1,059		—		1,059
States and political subdivisions	—		2,218		—		2,218
Corporate bonds	—		10,378		—		10,378
Common stocks	15,892		—		—		15,892
Mutual funds	14,750		—		—		14,750
Total plan assets		$37,916		$13,655		$—		$51,571

Schedule of Expected Future Benefit Payments

The following benefit payments, which reflect expected future service, as appropriate, are expected to be paid as follows:

(Dollars in thousands)	Qualified Pension Plan		Non-Qualified Plans
2014		$3,832		$751
2015	3,276		770
2016	3,550		770
2017	3,029		764
2018	3,077		757
Years 2019 - 2022	18,244		3,801