v3.19.3.a.u2

ACQUISITIONS Table 2 - Navigator Pro Forma Information (Details) - Navigator Acquisition [Member] $ / shares in Units, $ in Thousands | 12 Months Ended
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Dec. 31, 2017 USD ($) $ / shares
Business Acquisition [Line Items] |
Revenues | $ 1,828,418
Net income | $ 127,433
Basic net income per common unit | $ / shares | $ 0.31
Diluted net income per common unit | $ / shares | $ 0.31
Transaction costs | $ 14,100

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