Cash and Cash Equivalents and Short Term Investments (Tables)

12 Months Ended

Dec. 31, 2016

Cash And Cash Equivalents [Abstract]

Summary of Cash and Cash Equivalents

a. Cash and cash equivalents:

	December 31,
	2016		2015
Cash	$	29,915	$	75,421
Money market funds		69,865		44,002
Total cash and cash equivalents	$	99,780	$	119,423