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CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Unaudited) - USD ($) $ in Thousands | Total | Common Stock | Additional paid- in capital | Accumulated deficit | Accumulated other comprehensive income (loss) | Non controlling interest
--- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2018 | $ 1,144,923 | $ 37 | $ 1,352,388 | $ (210,783) | $ 2,194 | $ 1,087
Total comprehensive loss | (21,286) |  |  | (21,731) |  | 445
Issuance of common stock from exercise of warrants | 1 |  | 1 |  |  |
Amortization/cancellation of restricted stock units | 4,047 |  | 4,047 |  |  |
Balance at Mar. 31, 2019 | 1,127,685 | 37 | 1,356,436 | (232,514) | 2,194 | 1,532
Balance at Dec. 31, 2019 | 1,016,410 | 40 | 1,367,521 | (352,526) | (236) | 1,611
Total comprehensive loss | (18,155) |  |  | (18,445) | 369 | (79)
Adoption of credit loss accounting standard | (163) |  |  | (163) |  |
Amortization of restricted stock units | 804 |  | 804 |  |  |
Balance at Mar. 31, 2020 | $ 998,896 | $ 40 | $ 1,368,325 | $ (371,134) | $ 133 | $ 1,532

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