Cash and Available-for-Sale Securities - (Tables)

6 Months Ended

Jun. 30, 2020

Investments, Debt and Equity Securities [Abstract]

Schedule of Cash and Cash Equivalents and Investments

Cash, cash equivalents and investments consisted of the following (in thousands): 

	June 30, 2020
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value		Cash and Cash Equivalents		Investments
Cash	$	470,560	$	—	$	—	$	470,560	$	470,560	$	—
Time deposits	1,100,000		—		—		1,100,000		190,000		910,000
Money market funds	125,522		—		—		125,522		125,522		—
Totals	$	1,696,082	$	—	$	—	$	1,696,082	$	786,082	$	910,000

	December 31, 2019
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value		Cash and Cash Equivalents		Investments
Cash	$	333,172	$	—	$	—	$	333,172	$	333,172	$	—
Time deposits	460,000		—		—		460,000		20,000		440,000
Money market funds	284,172		—		—		284,172		284,172		—
Totals	$	1,077,344	$	—	$	—	$	1,077,344	$	637,344	$	440,000