Pension Benefits (Tables)

12 Months Ended

Dec. 31, 2012

Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]

Schedule of Net Funded Status [Table Text Block]

	For the Years Ended December 31,
	2012			2011
	(in thousands)
Change in benefit obligation:
Projected benefit obligation at beginning of year	$	29,480		$	23,867
Service cost	4,934			3,800
Interest cost	1,374			1,184
Plan amendments	—			170
Actuarial loss	5,467			1,957
Benefits paid	(1,018		)	(1,498		)
Projected benefit obligation at end of year	40,237			29,480
Change in plan assets:
Fair value of plan assets at beginning of year	13,940			10,332
Actual return on plan assets	1,952			(176		)
Employer contribution	5,380			5,260
Benefits paid	(1,018		)	(1,476		)
Fair value of plan assets at end of year	20,254			13,940
Funded status at end of year	$	(19,983	)	$	(15,540	)

Schedule of Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets [Table Text Block]

Information for Pension Plan with Accumulated Benefit Obligation in Excess of Plan Assets for Both Plans

	As of December 31,
	2012			2011
	(in thousands)
Projected benefit obligation	$	40,237		$	29,480
Accumulated benefit obligation	$	29,437		$	21,697
Less: Fair value of plan assets	(20,254		)	(13,940		)
Underfunded accumulated benefit obligation	$	9,183		$	7,757

Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]

Pre-tax amounts not yet recognized in net periodic pension costs, but rather recognized in accumulated other comprehensive loss as of December 31, 2012, and 2011, consist of:

	As of December 31,
	2012		2011
	(in thousands)
Unrecognized actuarial losses	$	12,427	$	8,501
Unrecognized prior service costs	153		170
Unrecognized transition obligation	—		—
Accumulated other comprehensive loss	$	12,580	$	8,671

Schedule of Defined Benefit Plan Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]

re-tax changes recognized in other comprehensive income (loss) during 2012, 2011, and 2010, were as follows:

	For the Years Ended December 31,
	2012			2011			2010
	(in thousands)
Net actuarial gain (loss)	$	(4,680	)	$	(3,014	)	$	(1,937	)
Prior service cost	—			(170		)	—
Less: Amortization of:
Prior service cost	(17		)	—			—
Actuarial loss	(754		)	(405		)	(367		)
Total other comprehensive income (loss)	$	(3,909	)	$	(2,779	)	$	(1,570	)

Components of the net periodic benefit cost for both the Qualified and the Nonqualified Pension Plan

Components of Net Periodic Benefit Cost for Both Pension Plans

	For the Years Ended December 31,
	2012			2011			2010
	(in thousands)
Components of net periodic benefit cost
Service cost	$	4,934		$	3,800		$	3,392
Interest cost	1,374			1,184			1,120
Expected return on plan assets that reduces periodic pension cost	(1,165		)	(880		)	(638		)
Amortization of prior service cost	17			—			—
Amortization of net actuarial loss	754			405			367
Net periodic benefit cost	$	5,914		$	4,509		$	4,241

Schedule of Assumptions Used [Table Text Block]

Weighted-average assumptions to measure the Company’s projected benefit obligation and net periodic benefit cost are as follows:

	As of December 31,
	2012	2011	2010
Projected benefit obligation
Discount rate	3.9%	4.7%	5.3%
Rate of compensation increase	6.2%	6.2%	6.2%
Net periodic benefit cost
Discount rate	4.7%	5.3%	6.1%
Expected return on plan assets	7.5%	7.5%	7.5%
Rate of compensation increase	6.2%	6.2%	6.2%

Schedule of Allocation of Plan Assets [Table Text Block]

The weighted-average asset allocation of the Qualified Pension Plan is as follows:

	Target		As of December 31,
Asset Category	2013		2012		2011
Equity securities	44.0	%	42.7	%	61.8	%
Debt securities	33.0	%	32.8	%	37.7	%
Other	23.0	%	24.5	%	0.5	%
Total	100.0	%	100.0	%	100.0	%

Schedule of Pension Plan Assets Measured at Fair Value, Heirarchy and Asset Allocation [Table Text Block]

The fair value of the Company’s Qualified Pension Plan assets as of December 31, 2012, utilizing the fair value hierarchy discussed in Note 11 – Fair Value Measurements is as follows:

					Fair Value Measurements Using:
	Actual Asset Allocation		Total		Level 1 Inputs		Level 2 Inputs		Level 3 Inputs
					(in thousands)
Cash and Money Market Funds	3.8	%	$	778	$	778	$	—	$	—
Equity Securities
Domestic (1)	29.2	%	5,920		5,920		—		—
International (2)	13.5	%	2,740		2,740		—		—
Total Equity Securities	42.7	%	8,660		8,660		—		—
Fixed Income Securities
High-Yield Bonds (3)	6.1	%	1,240		1,240		—		—
Core Fixed Income (4)	20.8	%	4,204		4,204		—		—
Floating Rate Corp Loans (5)	5.9	%	1,186		1,186		—		—
Total Fixed Income Securities	32.8	%	6,630		6,630		—		—
Other Securities:
Commodities (6)	3.3	%	669		669		—		—
Real Estate (7)	3.9	%	783		—		—		783
Hedge Fund (8)	13.5	%	2,734		1,133		—		1,601
Total Other Securities	20.7	%	4,186		1,802		—		2,384
Total Investments	100.0	%	$	20,254	$	17,870	$	—	$	2,384

(1) Equity securities of United States large and small capitalization companies, which are actively traded securities that can be sold upon demand.

(2) International equity securities consists of a well-diversified portfolio of holdings of mostly large issuers organized in developed countries with liquid markets, commingled with investments in equity securities of issuers located in emerging markets and believed to have strong sustainable financial productivity at attractive valuations.

(3) High-yield bonds consist of non-investment grade fixed income securities. The investment objective is to obtain high current income. Due to the increased level of default risk, security selection focuses on credit-risk analysis.

(4) The objective is to achieve value added from sector or issue selection by constructing a portfolio to approximate the investment results of the Barclay's Capital Aggregate Bond Index with a modest amount of variability in duration around the index. 

(5) Investments consist of floating rate bank loans. The interest rates on these loans are typically reset on a periodic basis to account for changes in the level of interest rates.  

(6) Investments with exposure to commodity price movements, primarily through the use of futures, swaps and other commodity-linked securities.

(7) The investment objective of direct real estate is to provide current income with the potential for long-term capital appreciation. Ownership in real estate entails a long-term time horizon, periodic valuations, and potentially low liquidity. 

(8) The hedge fund portfolio includes an investment in an actively traded global mutual fund that focuses on alternative investments and a hedge fund of funds that invests both long and short using a variety of investment strategies. 

The fair value of the Company’s pension plan assets as of December 31, 2011, is as follows:

					Fair Value Measurements Using:
	Actual Asset Allocation		Total		Level 1 Inputs		Level 2 Inputs		Level 3 Inputs
					(in thousands)
Cash and Money Market Funds	0.5	%	$	66	$	66	$	—	$	—
Equity Securities (1)
Domestic (2)	47.1	%	6,568		6,568		—		—
International (3)	14.7	%	2,048		2,048		—		—
Total Equity Securities	61.8	%	8,616		8,616		—		—
Fixed Income Securities
Intermediate Term Bond (4)	37.7	%	5,258		5,258		—		—
Total Investments	100.0	%	$	13,940	$	13,940	$	—	$	—

(1) Certain amounts have been reclassified to conform to current-year presentation.

(2) United States equities are invested in companies that trade on active exchanges within the United States and are well diversified by industry sector and equity style, such as growth and value strategies, and passive management strategies are employed.

(3) International equities are invested in companies that trade on active exchanges outside the United States and are well diversified among more developed markets. Active and passive strategies are employed.

(4) Intermediate term bonds seek total return. At least 80% of this fund is invested in a diversified portfolio of bonds, which include all types of securities. It invests primarily in bonds of corporate and governmental issues located in the United States and foreign countries, including emerging markets, all of which trade on active exchanges.

Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets [Table Text Block]

Included below is a summary of the changes in Level 3 plan assets (in thousands):

December 31, 2011	$	—
Purchases	2,329
Investment Returns	55
December 31, 2012	$	2,384

Schedule of Expected Benefit Payments [Table Text Block]

Expected benefit payments over the next ten years are as follows (in thousands):

Years Ending December 31,
2013	$	2,631
2014	$	2,385
2015	$	2,715
2016	$	3,298
2017	$	3,885
2018 through 2022	$	29,884