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Equity (Tables) | 12 Months Ended
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Dec. 31, 2018
Successor |
Equity, Class of Treasury Stock [Line Items] |
Treasury Stock Activity | The following table shows the number of shares withheld for taxes and the associated value of those shares (in thousands). These shares were accounted for as treasury stock when withheld, and then immediately retired.
|  | Successor |  |  |  |
|  | Year Ended December 31, 2018 |  | Year Ended December 31, 2017 |  | Period from October 2, 2016 through December 31, 2016
Number of shares withheld for taxes |  | 495 |  | 349 |  | 5
Value of shares withheld for taxes |  | $ | 7,420 |  | $ | 6,730 |  | $ | 110
Predecessor |
Equity, Class of Treasury Stock [Line Items] |
Preferred Stock Dividends | Preferred stock dividend accruals in arrears prior to the Emergence Date for the Predecessor Company’s 8.5% and 7.0% convertible perpetual preferred stock were as follows (in thousands):
|  | Predecessor
|  | Period from January 1, 2016 through October 1, 2016
8.5% Convertible perpetual preferred stock |  |
Dividends in arrears |  | $ | 11,262
7.0% Convertible perpetual preferred stock |  |
Dividends in arrears |  | $ | 21,000

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