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Revenue (Narrative) (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2020 | Dec. 31, 2019
Revenue from Contracts with Customer [Line Items] |  |
Accounts receivable, net | $ 299,383 | $ 322,846
Contract assets | 7,100 | 5,900
Contract liabilities | 1,300 | $ 1,300
Revenue recognized from contract liability during the period | $ 1,300 |
Average transit time | 3 days |

X
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