XML 33 R21.htm IDEA: XBRL DOCUMENT v3.19.2
Cash, Cash Equivalents, Marketable Securities and Restricted Cash (Tables)
 6 Months Ended
Jun. 30, 2019
Cash, Cash Equivalents, and Short-term Investments [Abstract]  
Schedule of cash and available-for-sale securities
Cash, cash equivalents and marketable securities are classified as current unless mentioned otherwise below and consisted of the following:
 
 
 
As of June 30, 2019
(in thousands)
 
Cost
 
Gross
Unrealized
Gain
 
Gross
Unrealized
Loss
 
Fair
Value
Cash and cash equivalents
 
$
220,578

 
$
—

 
$
—

 
$
220,578

Corporate debt securities
 
169,425

 
148

 
(15
)
 
169,558

Commercial paper
 
111,872

 
156

 
(2
)
 
112,026

Asset-backed securities
 
73,025

 
68

 
—

 
73,093

Money market
 
350

 
—

 
—

 
350

Certificates of deposit
 
51

 
—

 
—

 
51

 
 
$
575,301

 
$
372

 
$
(17
)
 
$
575,656

Included in cash and cash equivalents
 
$
220,578

 
$
—

 
$
—

 
$
220,578

Included in marketable securities
 
354,723

 
372

 
(17
)
 
355,078

Total cash, cash equivalents, and marketable securities
 
$
575,301

 
$
372

 
$
(17
)
 
$
575,656

 
 
 
As of December 31, 2018
(in thousands)
 
Cost
 
Gross
Unrealized
Gain
 
Gross
Unrealized
Loss
 
Fair
Value
Cash and cash equivalents
 
$
79,749

 
$
—

 
$
—

 
$
79,749

Corporate debt securities
 
240,969

 
7

 
(250
)
 
240,726

Commercial paper
 
115,245

 
—

 
(104
)
 
115,141

Asset-backed securities
 
68,215

 
4

 
(84
)
 
68,135

Money market
 
350

 
—

 
—

 
350

Certificates of deposit
 
51

 
—

 
—

 
51

 
 
$
504,579

 
$
11

 
$
(438
)
 
$
504,152

Included in cash and cash equivalents
 
$
79,749

 
$
—

 
$
—

 
$
79,749

Included in marketable securities
 
424,830

 
11

 
(438
)
 
424,403

Total cash, cash equivalents, and marketable securities
 
$
504,579

 
$
11

 
$
(438
)
 
$
504,152
Schedule of restricted cash and cash equivalents
The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported within the Consolidated Balance Sheets that sum to the total of the same such amounts shown in the Consolidated Statements of Cash Flows.

(in thousands)
 
June 30, 2019
 
December 31, 2018
 
June 30, 2018
 
December 31, 2017
Cash and cash equivalents
 
$
220,578

 
$
79,749

 
$
73,311

 
$
49,060

Restricted cash
 
2,610

 
2,626

 
2,130

 
2,177

Cash, cash equivalents, and restricted cash shown in the Consolidated Statements of Cash Flows
 
$
223,188

 
$
82,375

 
$
75,441

 
$
51,237