Employee Benefit Plan (Tables)

9 Months Ended

Sep. 30, 2014

Compensation and Retirement Disclosure [Abstract]

Summary of Components of Net Periodic Pension Cost (Benefit)

A summary of the net periodic pension cost are as follows:

	Three Months Ended   September 30,				Nine Months Ended   September 30,
	2014		2013		2014		2013
Service cost	$	—	$	—	$	—	$	224
Interest cost	149		172		496		484
Expected loss (return) on assets	137		138		412		(580		)
Settlement charges	529		212		969		606
Amortization of loss	115		50		373		248
Net periodic pension cost	$	930	$	572	$	2,250	$	982

Schedule of Assumptions Used

The following table includes the assumptions used to develop net periodic pension cost and benefit obligations:

	September 30, 2014	June 30, 2014	March 31, 2014	December 31, 2013
Discount rate	3.75%	3.70%	3.93%	4.37%
Expected long term rate on plan assets	—%	—%	—%	—%
Rate of compensation increase	N/A	N/A	N/A	N/A