Cash and Cash Equivalents (Tables)

6 Months Ended

Jun. 30, 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 June 30,		As of December 31,
	2015		2014
	(in thousands, unaudited)
Cash	$	38,180	$	35,748
Cash equivalents	3,442		8,998
Restricted cash - deferred compensation plan	124		498
Restricted cash - letters of credit	5,531		5,696
Total cash and cash equivalents	$	47,277	$	50,940