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Contract Assets | 3 Months Ended
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Mar. 31, 2019
Contract With Customer Asset And Liability [Abstract] |
Contract assets | Note 8 – Contract Assets As of March 31, 2019 and December 31, 2018, the Compa ny had $157.0 million and $140.1 million, respectively, in contract receivables from contracts with customers. The contract receivables primarily relate to the Company’s right to consideration for work completed but not billed at the reporting date. The contract receivables are transferred to accounts receivab le when the rights become unconditional. Significant changes in the contract asset balance during the period are as follows:
| Three Months Ended
| March 31,
(in thousands) |  | 2019 |  |  | 2018
Beginning balance as of December 31, | $ | 140,082 |  | $ | 146,496
Revenue recognized |  | 564,889 |  |  | 561,998
Amounts collected or invoiced |  | (547,946) |  |  | (560,871)
Ending balance as of March 31, | $ | 157,025 |  | $ | 147,623

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