Cash, Cash Equivalents and Restricted Cash

3 Months Ended

Mar. 31, 2019

Short-Term Investments And Fair Value Measurement [Abstract]

Cash, Cash Equivalents and Restricted Cash

Cash, Cash Equivalents, and Restricted Cash

The following table summarizes the Company's cash, cash equivalents, and restricted cash as of March 31, 2019 and December 31, 2018:

	As of March 31, 2019
	Cash and cash equivalents		Non-current Assets		Total
	(in thousands)
Cash	$	2,384,999	$	20,234	$	2,405,233
Level 1 securities:
Money market funds	963,558		1,306		964,864
	$	3,348,557	$	21,540	$	3,370,097

	As of December 31, 2018
	Cash and cash equivalents		Non-current Assets		Total
	(in thousands)
Cash	$	2,572,685	$	16,260	$	2,588,945
Level 1 securities:
Money market funds	1,221,798		1,298		1,223,096
	$	3,794,483	$	17,558	$	3,812,041

Non-current assets include restricted cash related to letter of credit agreements and workers compensation deposits.

There were no material gross realized gains or losses in the three months ended March 31, 2019 and 2018, respectively.