CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Parenthetical) - USD ($) $ in Thousands |
3 Months Ended | |
---|---|---|
Mar. 31, 2019 |
Mar. 31, 2018 |
|
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS [Abstract] | ||
Pool revenues, received from companies accounted for by the equity method | $ 41,160 | $ 12,769 |