RETIREMENT PLANS: (Tables)

12 Months Ended

Dec. 31, 2013

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs

Net periodic benefit cost and other amounts recognized in other comprehensive income included the following components:

(Dollar amounts in thousands)	2013			2012			2011
Service cost - benefits earned	$	2,238		$	4,872		$	3,542
Interest cost on projected benefit obligation	3,383			3,667			3,688
Expected return on plan assets	(3,309		)	(3,258		)	(4,003		)
Net amortization and deferral	2,075			2,434			1,152
Net periodic pension cost	4,387			7,715			4,379
Net loss (gain) during the period	(14,697		)	3,842			17,868
Curtailment gain	—			(5,700		)	—
Amortization of prior service cost	16			(166		)	(166		)
Amortization of unrecognized gain (loss)	(2,091		)	(2,270		)	(986		)
Total recognized in other comprehensive income (loss)	(16,772		)	(4,294		)	16,716
Total recognized net periodic pension cost and other comprehensive income	$	(12,385	)	$	3,421		$	21,095

Schedule of Defined Benefit Plans Disclosures

The information below sets forth the change in projected benefit obligation, reconciliation of plan assets, and the funded status of the Corporation's retirement program. Actuarial present value of benefits is based on service to date and present pay levels.

(Dollar amounts in thousands)	2013			2012
Change in benefit obligation:
Benefit obligation at January 1	$	86,807		$	84,908
Service cost	2,238			4,872
Interest cost	3,383			3,667
Actuarial (gain) loss	(7,098		)	(4,747		)
Benefits paid	(3,861		)	(1,893		)
Benefit obligation at December 31	81,469			86,807
Reconciliation of fair value of plan assets:
Fair value of plan assets at January 1	57,491			53,935
Actual return on plan assets	10,909			371
Employer contributions	2,694			5,078
Benefits paid	(3,861		)	(1,893		)
Fair value of plan assets at December 31	67,233			57,491
Funded status at December 31 (plan assets less benefit obligation)	$	(14,236	)	$	(29,316	)

Schedule of Assumptions Used

The accumulated benefit obligation for the defined benefit pension plan was $75.7 million and $79.9 million at year-end

2013 and 2012.

Principal assumptions used to determine pension benefit obligation at year end:	2013		2012
Discount rate	4.95	%	4.05	%
Rate of increase in compensation levels	3.50		3.50

Principal assumptions used to determine net periodic pension cost:	2013		2012
Discount rate	4.05	%	4.40	%
Rate of increase in compensation levels	3.50		3.50
Expected long-term rate of return on plan assets	6.00		6.00

Schedule of Allocation of Plan Assets

The Corporation's pension plan weighted-average asset allocation for the years 2013 and 2012 by asset category are as follows:

	Pension Plan Target Allocation	ESOP Target Allocation	Pension Pecentage of Plan Assets at December 31,				ESOP Pecentage of Plan Assets at December 31,
ASSET CATEGORY	2013	2013	2013		2012		2013		2012
Equity securities	40-65%	95-99%	64	%	55	%	99	%	98	%
Debt securities	35-60%	0-0%	34	%	33	%	—	%	—	%
Other	0-10%	0-5%	2	%	12	%	1	%	2	%
TOTAL			100	%	100	%	100	%	100	%

Schedule Of Fair Value Of Plan Assets

The fair value of the plan assets at December 31, 2013 and 2012, by asset category, is as follows:

			Fair Value Measurments at December 31, 2013 Using:
			Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Observable Inputs
(Dollar amounts in thousands)	Total		(Level 1)		(Level 2)		(Level 3)
Plan assets
Equity securities	$	53,112	$	53,112	$	—	$	—
Debt securities	12,015		—		12,015		—
Investment Funds	2,106		2,106		—		—
Total plan assets	$	67,233	$	55,218	$	12,015	$	—

			Fair Value Measurments at December 31, 2012 Using:
			Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Observable Inputs
(Dollar amounts in thousands)	Total		(Level 1)		(Level 2)		(Level 3)
Plan assets
Equity securities	$	43,393	$	43,393	$	—	$	—
Debt securities	10,597		—		10,597		—
Investment Funds	3,501		3,501		—		—
Total plan assets	$	57,491	$	46,894	$	10,597	$	—

Schedule of Expected Benefit Payments

Estimated Future Payments — The following benefit payments, which reflect expected future service, are expected:

PENSION BENEFITS
(Dollar amounts in thousands)
2014	$	4,010
2015	4,235
2016	4,489
2017	4,628
2018	4,752
2019-2023	27,005

Schedule Of Weighted Average Assumptions

Weighted average assumptions at December 31:

	December 31,
	2013		2012
Discount rate	4.95	%	4.05	%
Initial weighted health care cost trend rate	7.50		7.50
Ultimate health care cost trend rate	5.00		5.00
Year that the rate is assumed to stabilize and remain unchanged	2015		2015

Schedule of Effect of One-Percentage-Point Change in Assumed Health Care Cost Trend Rates

A one-percentage-point change in the assumed health care cost trend rates would have the following effects:

	1% Point		1% Point
(Dollar amounts in thousands)	Increase		Decrease
Effect on total of service and interest cost components	$	3	$	2
Effect on post-retirement benefit obligation	56		50

Supplemental Employee Retirement Plans, Defined Benefit

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs

The amounts recognized in other comprehensive income in the current year are as follows:

(Dollar amounts in thousands)	2013			2012			2011
Net loss (gain) during the period	$	(333	)	$	442		$	486
Amortization of prior service cost	—			—			(74		)
Amortization of unrecognized gain (loss)	(68		)	(79		)	39
Total recognized in other comprehensive income (loss)	$	(401	)	$	363		$	451

Schedule of Expected Benefit Payments

Estimated Future Payments — The following benefit payments, which reflect expected future service, are expected:

(Dollar amounts on thousands)
2013	$	—
2014	234
2015	231
2016	227
2017	224
2018-2022	869

Estimated Future Payments

Defined Benefit Plan Disclosure [Line Items]

Schedule of Amounts Recognized in Other Comprehensive Income (Loss)

Amounts recognized in accumulated other comprehensive income at December 31, 2013 and 2012 consist of:

(Dollar amounts in thousands)	2013			2012
Net loss (gain)	$	(14,697	)	$	3,842
Prior service cost (credit)	16			(166		)
	$	(14,681	)	$	3,676

Post Retirement Health Benefit Expense

Defined Benefit Plan Disclosure [Line Items]

Schedule of Defined Benefit Plans Disclosures

The Corporation uses a measurement date of December 31. Accrued post-retirement benefits as of December 31, 2013 and 2012 are as follows:

	December 31,
(Dollar amounts in thousands)	2013			2012
Change in benefit obligation:
Benefit obligation at January 1	$	4,395		$	4,057
Service cost	68			60
Interest cost	173			173
Plan participants' contributions	37			62
Actuarial (gain) loss	(338		)	311
Benefits paid	(247		)	(268		)
Benefit obligation at December 31	$	4,088		$	4,395
Funded status at December 31	$	4,088		$	4,395

Post-retirement health benefit expense included the following components:

	Years Ended December 31,
(Dollar amounts in thousands)	2013			2012			2011
Service cost	$	68		$	60		$	59
Interest cost	173			173			194
Amortization of transition obligation	60			60			60
Recognized actuarial loss	—			—			—
Net periodic benefit cost	$	301		$	293		$	313
Net loss (gain) during the period	$	(338	)	$	311		$	(469	)
Amortization of prior service cost	(59		)	(60		)	(60		)
Total recognized in other comprehensive income (loss)	$	(397	)	$	251		$	(529	)
Total recognized net periodic benefit cost and other comprehensive income	$	(96	)	$	544		$	(216	)

Schedule of Expected Benefit Payments

Estimated Future Payments — The following benefit payments, which reflect expected future service, are expected:

(Dollar amounts in thousands)
2014	$	248
2015	262
2016	275
2017	277
2018	276
2019-2023	1,396