Description of Business and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2013

Accounting Policies [Abstract]

Schedule of Activity in the Allowance for Doubtful Accounts

The activity in the allowance for for doubtful accounts is as follows (amounts in thousands):

Year Ended December 31,	Beginning Balance		Additions Charged to Costs and Expenses		Deductions / Write-Offs			Ending Balance
2011	$	561	$	290	$	(163	)	$	688
2012	$	688	$	20	$	—		$	708
2013	$	708	$	457	$	—		$	1,165