v3.10.0.1

Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands | Total | Class A | Class B | Common Stock Class A | Common Stock Class B | Additional Paid-in Capital | Accumulated Other Comprehensive Income | Accumulated Losses / Retained Earnings | Total Partners'/Stockholders’ Equity (Deficit) | Non-controlling Interest
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance (shares) at Dec. 31, 2016 |  |  |  | 98,250,917 | 31,704,988 |  |  |  |  |
Beginning Balance at Dec. 31, 2016 |  |  |  | $ 10 | $ 3 | $ 912,824 | $ 0 | $ (15,618) | $ 897,219 | $ 334,192
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |
Comprehensive income | $ 68,467 |  |  |  |  |  | (43) | 44,211 | 44,168 | 24,299
Share‑based compensation (shares) |  |  |  | 435,000 |  |  |  |  |  |
Share-based compensation |  |  |  |  |  | 7,990 |  |  | 7,990 | 0
Exchanges (shares) |  |  |  | 1,306,211 | (1,306,211) |  |  |  |  |
Exchanges |  |  |  |  |  | 12,609 |  |  | 12,609 | (12,609)
Distributions |  |  |  |  |  |  |  |  |  | (12,940)
Exercise of public warrants (in shares) |  |  |  | 55 |  |  |  |  |  |
Exercise of public warrants |  |  |  |  | $ 0 | 1 |  | 0 | 1 |
Tax receivable agreement arising from exchanges, net of income taxes of $50 |  |  |  |  |  | (9,685) |  |  | (9,685) |
Ending Balance (shares) at Sep. 30, 2017 |  |  |  | 99,992,183.000 | 30,398,777.000 |  |  |  |  |
Ending Balance at Sep. 30, 2017 |  |  |  | $ 10 | $ 3 | 923,739 | (43) | 28,593 | 952,302 | 332,942
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |
Adoption of new accounting standards, net of income taxes of $83 |  |  |  |  |  |  | 7 | 191 | 198 | 85
Beginning Balance (shares) at Dec. 31, 2017 |  | 99,791,245 | 30,319,564 | 99,791,245 | 30,319,564 |  |  |  |  |
Beginning Balance at Dec. 31, 2017 |  |  |  | $ 10 | $ 3 | 920,723 | 1,318 | 208,279 | 1,130,333 | 342,240
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |
Comprehensive income | $ 69,480 |  |  |  |  |  | 3,108 | 51,064 | 54,172 | 15,308
Share‑based compensation (shares) |  |  |  | 63,878 |  |  |  |  |  |
Share-based compensation |  |  |  |  |  | 3,511 |  |  | 3,511 |
Exchanges (shares) |  |  |  | 64,380 | (64,380) |  |  |  |  |
Exchanges |  |  |  |  |  | 1,033 |  |  | 1,033 | (1,033)
Distributions |  |  |  |  |  |  |  |  |  | (9,533)
Payment of taxes for employee stock awards |  |  |  |  |  | (436) |  |  | (436) |
Tax receivable agreement arising from exchanges, net of income taxes of $50 |  |  |  |  |  | (350) |  |  | (350) |
Ending Balance (shares) at Sep. 30, 2018 |  | 99,919,503 | 30,255,184 | 99,919,503.000 | 30,255,184 |  |  |  |  |
Ending Balance at Sep. 30, 2018 |  |  |  | $ 10 | $ 3 | $ 924,481 | $ 4,433 | $ 259,534 | $ 1,188,461 | $ 347,067

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