Employee Benefit Plan (Tables)

6 Months Ended

Jun. 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   June 30,					Six Months Ended   June 30,
	2014		2013			2014		2013
Service cost	$	—	$	(34	)	$	—	$	224
Interest cost	162		142			347		312
Expected loss (return) on assets	138		(272		)	275		(718		)
Settlement charges	200		394			440		394
Amortization of loss	125		101			257		198
Net periodic pension cost	$	625	$	331		$	1,319	$	410

Schedule of Assumptions Used

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

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