Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands |
Total |
Common Stock and Additional Paid-in Capital |
Accumulated Other Comprehensive Loss |
Retained Earnings |
|---|---|---|---|---|
| Beginning Balance at Dec. 31, 2018 | $ 5,238,765 | $ 2,315,988 | $ (19,582) | $ 2,942,359 |
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | ||||
| Issuance of common stock upon exercise of options | 22,585 | |||
| Stock-based compensation expense | 101,200 | |||
| Other comprehensive loss | (6,018) | |||
| Net income | 344,052 | 344,052 | ||
| Ending Balance at Mar. 31, 2019 | 5,703,058 | 2,439,773 | (25,600) | 3,288,885 |
| Beginning Balance at Dec. 31, 2019 | 7,582,157 | 2,793,929 | (23,521) | 4,811,749 |
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | ||||
| Issuance of common stock upon exercise of options | 44,584 | |||
| Stock-based compensation expense | 97,019 | |||
| Other comprehensive loss | (23,533) | |||
| Net income | 709,067 | 709,067 | ||
| Ending Balance at Mar. 31, 2020 | $ 8,409,294 | $ 2,935,532 | $ (47,054) | $ 5,520,816 |