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CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN EQUITY - 3 months ended Mar. 31, 2017 - USD ($) shares in Thousands, $ in Thousands | Total | Total Stockholders' Equity | Common Stock Class A Common Stock | Common Stock Class B Common Stock | Accumulated Other Comprehensive Income (Loss) | Additional Paid-in Capital | Retained Earnings (Deficit) | Non-controlling Interest
--- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at beginning of period (in shares) at Dec. 31, 2016 |  |  | 6,497 | 10,225 |  |  |  |
Balance at beginning of period at Dec. 31, 2016 | $ 123,736 | $ 30,303 | $ 65 | $ 103 | $ 11 | $ 25,413 | $ 4,711 | $ 93,433
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Stock based compensation | 531 | 531 |  |  |  | 531 |  |
Restricted stock unit vesting (in shares) |  |  | 3 |  |  |  |  |
Restricted stock unit vesting | 78 | 78 | $ 0 |  |  | 78 |  |
Consolidated net income | 11,386 | 2,269 |  |  |  |  | 2,269 | 9,117
Foreign currency translation adjustment for equity method investee | (49) | (18) |  |  | (18) |  |  | (31)
Distributions paid to non-controlling unit holders | (4,347) |  |  |  |  |  |  | (4,347)
Net contribution of the Major Energy Companies | 260 |  |  |  |  |  |  | 260
Dividends paid to Class A common stockholders | (2,355) | (2,355) |  |  |  |  | (2,355) |
Conversion of Convertible Subordinated Notes to Class B Common Stock (in shares) |  |  |  | 518 |  |  |  |
Conversion of Convertible Subordinated Notes to Class B Common Stock | 7,795 | 7,795 |  | $ 5 |  | 7,790 |  | 0
Balance at end of period (in shares) at Mar. 31, 2017 |  |  | 6,500 | 10,743 |  |  |  |
Balance at end of period at Mar. 31, 2017 | $ 137,035 | $ 38,603 | $ 65 | $ 108 | $ (7) | $ 33,812 | $ 4,625 | $ 98,432

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