Cash and Cash Equivalents (Tables)

3 Months Ended

Mar. 31, 2015

Cash and Cash Equivalents [Abstract]

Cash and cash equivalents

The carrying values of the Company's cash and cash equivalents are as follows:

	As of March 31,		As of December 31,
	2015		2014
	(in thousands, unaudited)
Cash	$	25,665	$	35,748
Cash equivalents	3,179		8,998
Restricted cash - deferred compensation plan	122		498
Restricted cash - letters of credit	5,480		5,696
Total cash and cash equivalents	$	34,446	$	50,940