Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2013

Compensation and Retirement Disclosure [Abstract]

Schedule of Net Benefit Costs

The components of net periodic pension expense are as follows: 

	Year Ended December 31,
	2013			2012			2011
Interest cost	$	2,112		$	2,206		$	2,409
Expected return on plan assets	(2,705		)	(2,648		)	(2,575		)
Amortization of net loss	1,348			974			365
Total net periodic pension expense	$	755		$	532		$	199

Schedule of Changes in Projected Benefit Obligation and Plan Assets, Funded Status and Amounts Recognized on the Balance Sheet

The changes in the projected benefit obligation and plan assets, the funded status of the plans and the amounts recognized in the consolidated balance sheets are as follows:

	December 31,
	2013			2012
Change in projected benefit obligation:
Projected benefit obligation at beginning of year	$	57,268		$	49,925
Interest cost	2,112			2,206
Benefits paid	(1,813		)	(1,710		)
Actuarial (gains) losses	(6,883		)	6,847
Projected benefit obligation at year end	$	50,684		$	57,268
Change in plan assets:
Fair value of plan assets at beginning of year	$	37,941		$	34,020
Actual return (loss)	6,202			3,899
Employer contributions	635			1,732
Benefits paid	(1,813		)	(1,710		)
Fair value of plan assets at year end	$	42,965		$	37,941
Funded status (Accrued pension liabilities)	$	(7,719	)	$	(19,327	)
Unrecognized actuarial loss recognized in accumulated other comprehensive income	$	8,250		$	19,978

Schedule of Assumptions Used

The actuarial assumptions used in determining pension plan information are as follows:

	December 31,
	2013		2012		2011
Assumptions used to determine benefit obligation at year end:
Discount rate	4.75	%	3.75	%	4.50	%
Assumptions used to determine net periodic benefit cost:
Discount rate	3.75	%	4.50	%	5.50	%
Expected long-term weighted-average rate of return on plan assets	7.25	%	7.75	%	7.75	%

Schedule of Allocation of Plan Assets [Table Text Block]

The target asset allocations and fair values by asset category at December 31 are as follows:

			Fair Value
			Total				Level 2				Level 3
Asset category:	Target		2013		2012		2013		2012		2013
Equity	55	%	$	26,668	$	21,265	$	26,668	$	21,265	$	—
Fixed income funds	43	%	12,527		16,650		12,527		16,650		—
Cash and cash equivalents	2	%	—		26		—		26		—
Other investments	—	%	3,770		—		1,609		—		2,161
Total	100	%	$	42,965	$	37,941	$	40,804	$	37,941	$	2,161

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

	December 31, 2013
Balance at beginning of year	$	—
Return on plan assets	30
Purchases, sales and settlements, net	(1,925		)
Transfers, net	4,056
Balance at end of year	$	2,161

Schedule of Expected Benefit Payments

The Company’s funding policy is to contribute at least the minimum funding amounts required by law. Based upon current actuarial estimates, the Company expects to contribute $1,729 to its defined benefit pension plan in 2014. The following benefit payments are expected to be paid by the plan in each of the next five years and in the aggregate for the subsequent five years:

2014	$	2,000
2015	2,100
2016	2,200
2017	2,400
2018	2,600
In aggregate during five years thereafter	15,000