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Stock-Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2019
Share-based Payment Arrangement, Noncash Expense [Abstract] |
Classification Of Stock-Based Compensation | The following table presents the classification of stock-based compensation:
| Three Months Ended June 30, |  | Six Months Ended June 30,
2019 |  | 2018 |  | 2019 |  | 2018
| (In thousands)
Cost of revenues | $ | 1,741 |  |  | $ | 1,818 |  |  | $ | 3,339 |  |  | $ | 3,428 |
Sales and marketing | 1,019 |  |  | 1,494 |  |  | 2,002 |  |  | 2,942 |
Research and development | 1,642 |  |  | 1,688 |  |  | 3,231 |  |  | 3,409 |
General and administrative | 8,753 |  |  | 8,298 |  |  | 17,045 |  |  | 16,497 |
Total stock-based compensation expense | $ | 13,155 |  |  | $ | 13,298 |  |  | $ | 25,617 |  |  | $ | 26,276 |
Nature Of Total Stock-Based Compensation | The following table presents the nature of the Company’s total stock-based compensation:
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2019 |  | 2018 |  | 2019 |  | 2018
| (In thousands)
RSUs | $ | 9,059 |  |  | $ | 9,406 |  |  | $ | 17,668 |  |  | $ | 18,693 |
Performance-based RSUs | 3,294 |  |  | 3,360 |  |  | 6,332 |  |  | 6,473 |
ESPP | 1,270 |  |  | 1,059 |  |  | 2,441 |  |  | 2,109 |
Capitalization (included in Property and equipment, net) | (468 | ) |  | (527 | ) |  | (824 | ) |  | (999 | )
Total stock-based compensation expense | $ | 13,155 |  |  | $ | 13,298 |  |  | $ | 25,617 |  |  | $ | 26,276 |

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- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901 + Details
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