Cash, Cash Equivalents, and Restricted Cash

9 Months Ended

Sep. 30, 2019

Short-Term Investments And Fair Value Measurement [Abstract]

Cash, Cash Equivalents, and Restricted Cash

Cash, Cash Equivalents, and Restricted Cash

The following tables summarize the Company's cash, cash equivalents, and restricted cash as of September 30, 2019 and December 31, 2018:

	As of September 30, 2019
	Cash and cash equivalents		Non-current Assets		Total
	(in thousands)
Cash	$	3,013,907	$	23,383	$	3,037,290
Level 1 securities:
Money market funds	1,421,111		1,320		1,422,431
	$	4,435,018	$	24,703	$	4,459,721

	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 and nine months ended September 30, 2019 and 2018, respectively.