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Revenue Recognition (Tables) | 12 Months Ended
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Dec. 31, 2019
Revenue from Contract with Customer [Abstract] |
Contract balances | The Company’s contract balances were as follows:
| As of
(In thousands) | December 31, 2019 |  | December 31, 2018
Unbilled receivables | $ | 528,069 |  |  | $ | 673,616 |
Deferred revenue | 11,947 |  |  | 19,566 |

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- Definition Tabular disclosure of contract balances and changes in contract balances. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130551-203045 + Details
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