Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2017

Fair Value Disclosures [Abstract]

Cash and Cash Equivalents and Investments

Cash and cash equivalents and investments consist of the following:

	December 31,
	2017		2016
	(amounts in thousands)
Cash and cash equivalents
Cash	$	49,452	$	49,495
Money market funds	56,640		56,208
Total cash and cash equivalents	106,092		105,703
Investments
Short-term investments	51		63
Long-term restricted cash	1,181		1,181
Total cash and cash equivalents and investments	$	107,324	$	106,947