Employee Benefit Plan (Tables)

12 Months Ended

Dec. 31, 2014

Compensation and Retirement Disclosure [Abstract]

Change in Projected Benefit Obligation and Plan Assets

Change in projected benefit obligation and plan assets:

	2014			2013
Projected benefit obligation, beginning of year	$	23,531		$	26,741
Service cost	—			225
Interest cost	625			653
Actuarial loss (gain)	2,245			(888		)
Benefits paid	(95		)	(101		)
Settlements	(26,306		)	(3,099		)
Projected benefit obligation, end of year	$	—		$	23,531
Fair value of assets, beginning of year	$	58,648		$	60,097
Actual return on assets	14			2,378
Benefits and expenses paid	(595		)	(728		)
Settlements	(26,306		)	(3,099		)
Assets contributed to 401(k) Plan	(7,940		)	—
Assets reverted to the Company	(23,821		)	—
Fair value of assets, end of year	$	—		$	58,648
Funded status at end of year	$	—		$	35,117
Ratio of plan assets to projected benefit obligation	—		%	249		%

Summary of Components of Net Periodic Pension Cost (Benefit)

A summary of the net periodic pension cost and other amounts recognized in other comprehensive income (loss) are as follows:

	2014			2013			2012
Service cost	$	—		$	225		$	889
Interest cost	625			653			712
Expected return on assets	550			(443		)	(2,315		)
Amortization of prior service costs	—			—			440
Amortization of loss	465			326			48
Settlement charges	7,107			739			1,162
Curtailment charge	—			—			2,063
Net periodic pension cost	$	8,747		$	1,500		$	2,999
Other changes in plan assets and obligations recognized in Other comprehensive income:
Prior service cost	—			—			(2,503		)
(Gain) loss	(5,392		)	(3,260		)	1,275
Total other comprehensive income	(5,392		)	(3,260		)	(1,228		)
Total net periodic pension cost and other comprehensive income (loss)	$	3,355		$	(1,760	)	$	1,771

Schedule of Assumptions Used

Assumptions used to develop end of period benefit obligations:

	2014	2013
Discount rate	N/A	4.37%
Rate of compensation increase	N/A	N/A

Assumptions used to develop net periodic pension cost:

	2014	2013	2012
Discount rate	3.75%	4.37%	3.50%
Expected long-term rate on plan assets	—%	—%	4.75%
Rate of compensation increase	N/A	N/A	N/A

Plan Assets at Fair Value

The following tables sets forth by level within the fair value hierarchy for Plan assets at December 31, 2013.

Assets at Fair Value as of December 31, 2013

Asset Category:	Level 1		Level 2		Level 3		Total
Cash	$	115	$	—	$	—	$	115
Money market funds	697		—		—		697
U.S. Treasuries	57,836		—		—		57,836
Total	$	58,648	$	—	$	—	$	58,648

Changes in the Fair Value of the Plan’s Level 3 Assets

The following table sets forth a summary of changes in the fair value of the Pension Plan’s level 3 assets for the year ended December 31, 2013. There were no level 3 assets in the Pension Plan during 2014.

	2013
Balance, beginning of year	$	927
Sales	(1,648		)
Realized gain on sale	721
Unrealized gains relating to instruments still held at the reporting date	—
Balance, end of year	$	—