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Consolidated Balance Sheets - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Current assets: |  |
Cash and cash equivalents | $ 508,196 | $ 357,415
Marketable securities | 709,863 | 912,254
Other current assets | 60,530 | 47,365
Total current assets | 1,278,589 | 1,317,034
Property and equipment, net | 250,283 | 253,905
Goodwill | 52,527 | 52,527
Long-term deferred tax assets | 87,798 | 104,992
Deposits Assets, Noncurrent | 145,000 | 145,000
Other long-term assets | 39,812 | 41,046
Total long-term assets | 575,420 | 597,470
Total assets | 1,854,009 | 1,914,504
Current liabilities: |  |
Accounts payable and accrued liabilities | 209,988 | 215,208
Deferred revenues | 755,178 | 732,382
Total current liabilities | 965,166 | 947,590
Long-term deferred revenues | 278,702 | 285,720
Senior Notes | 1,787,565 | 1,785,047
Other long-term tax liabilities | 312,676 | 281,621
Total long-term liabilities | 2,378,943 | 2,352,388
Total liabilities | 3,344,109 | 3,299,978
Commitments and contingencies |  |
Stockholders' deficit: |  |
Preferred stock | 0 | 0
Common stock | 353 | 352
Additional paid-in capital | 14,989,658 | 15,706,774
Accumulated deficit | (16,477,490) | (17,089,789)
Accumulated other comprehensive loss | (2,621) | (2,811)
Total stockholders' deficit | (1,490,100) | (1,385,474)
Total liabilities and stockholders' deficit | $ 1,854,009 | $ 1,914,504

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