Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2014

Compensation and Retirement Disclosure [Abstract]

Schedule of Net Benefit Costs

The components of net periodic pension (income) expense are as follows: 

	Year Ended December 31,
	2014			2013			2012
Interest cost	$	2,360		$	2,112		$	2,206
Expected return on plan assets	(3,105		)	(2,705		)	(2,648		)
Amortization of net loss	320			1,348			974
Total net periodic pension (income) expense	$	(425	)	$	755		$	532

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,
	2014			2013
Change in projected benefit obligation:
Projected benefit obligation at beginning of year	$	50,684		$	57,268
Interest cost	2,360			2,112
Benefits paid	(1,876		)	(1,813		)
Actuarial losses (gains)	10,939			(6,883		)
Projected benefit obligation at year end	$	62,107		$	50,684
Change in plan assets:
Fair value of plan assets at beginning of year	$	42,965		$	37,941
Actual return	2,160			6,202
Employer contributions	1,938			635
Benefits paid	(1,876		)	(1,813		)
Fair value of plan assets at year end	$	45,187		$	42,965
Funded status (Accrued pension liabilities)	$	(16,920	)	$	(7,719	)
Unrecognized actuarial loss recognized in accumulated other comprehensive (loss) income	$	19,814		$	8,250

Schedule of Assumptions Used

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

	December 31,
	2014		2013		2012
Assumptions used to determine benefit obligation at year end:
Discount rate	3.75	%	4.75	%	3.75	%
Assumptions used to determine net periodic benefit cost:
Discount rate	4.75	%	3.75	%	4.50	%
Expected long-term weighted-average rate of return on plan assets	7.25	%	7.25	%	7.75	%

Schedule of Allocation of Plan Assets [Table Text Block]

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

Target Allocations by Asset Category:	2014	2013
Equity	55%	55%
Debt	43%	43%
Cash and cash equivalents	2%	2%
Total	100%	100%

The fair values of the plan assets by asset class at December 31 are as follows:

	Fair Value
	Total				Level 2				Level 3
Plan Assets:	2014		2013		2014		2013		2014		2013
Equity funds	$	29,435	$	26,668	$	29,435	$	26,668	$	—	$	—
Fixed income funds	13,766		12,527		13,766		12,527		—		—
Other investments	1,986		3,770		—		1,609		1,986		2,161
Total	$	45,187	$	42,965	$	43,201	$	40,804	$	1,986	$	2,161

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

Balance at January 1, 2013	$	—
Return on plan assets	30
Purchases, sales and settlements, net	(1,925		)
Transfers, net	4,056
Balance at December 31, 2013	$	2,161
Return on plan assets	34
Purchases, sales and settlements, net	(1,898		)
Transfers, net	1,689
Balance at December 31, 2014	$	1,986

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 does not expect to contribute to its defined benefit pension plan until 2017. 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:

2015	$	2,100
2016	2,300
2017	2,400
2018	2,600
2019	2,800
In aggregate during five years thereafter	15,800