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MARKETABLE SECURITIES (Tables)
6 Months Ended
Jun. 30, 2021
Investments, Debt and Equity Securities [Abstract]  
Summary of marketable securities
A summary of the movements in marketable securities for the six months ended June 30, 2021 and the year ended December 31, 2020 is presented in the table below:
(in thousands of $)20212020
Balance at beginning of period2,639 3,642 
Marketable securities acquired357 — 
Proceeds from sale of marketable securities(14,074)— 
Unrealized gain (loss) on marketable securities held at period end34 (2,491)
Gain on sale of marketable securities7,881 — 
Repurchase of marketable securities pledged to creditors 5,836 7,323 
Marketable securities pledged to creditors (5,835)
Balance at end of period2,673 2,639