v3.6.0.2

Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2016
Summary of Activity for Non-voting Time-vested Restricted Stock | The following table summarizes the activity for non-voting time-vested restricted stock units granted to non-employee directors for the year ended December 31, 2016.
|  | Share Units |  |  | Weighted Average Grant-Date Fair Value |  |  | Remaining Average Contractual Life (in years) |  |  | Aggregate Value (in thousands) |
Outstanding at January 1, 2016 |  |  | 8,805 |  |  | $ | 31.50 |  |  |  | 2.21 |  |  | $ | 277 |
Granted |  |  | 5,040 |  |  |  | 15.19 |  |  |  |  |  |  |  |  |
Forfeited |  |  | — |  |  |  | — |  |  |  |  |  |  |  |  |
Vested and released to participants |  |  | (2,286 | ) |  |  | (38.44 | ) |  |  |  |  |  |  |  |
Outstanding at December 31, 2016 |  |  | 11,559 |  |  | $ | 23.01 |  |  |  | 2.13 |  |  | $ | 266 |
Non-Voting Time-Vested Restricted Stock Units [Member] |
Summary of Activity for Non-voting Time-vested Restricted Stock | The following table summarizes the activity for non-voting time-vested restricted stock units granted to employees for the year ended December 31, 2016.
|  | Share Units |  |  | Weighted Average Grant-Date Fair Value |  |  | Remaining Average Contractual Life (in years) |  |  | Aggregate Value (in thousands) |
Outstanding at January 1, 2016 |  |  | 181,475 |  |  | $ | 40.47 |  |  |  | 1.56 |  |  | $ | 7,344 |
Granted |  |  | 27,082 |  |  |  | 20.07 |  |  |  |  |  |  |  |  |
Forfeited |  |  | (837 | ) |  |  | (36.45 | ) |  |  |  |  |  |  |  |
Vested and released to participants |  |  | (5,160 | ) |  |  | (34.45 | ) |  |  |  |  |  |  |  |
Outstanding at December 31, 2016 |  |  | 202,560 |  |  | $ | 37.91 |  |  |  | 1.25 |  |  | $ | 7,679 |
Non-Voting Performance Based Restricted Stock Units [Member] |
Summary of Activity for Non-voting Time-vested Restricted Stock | The following table summarizes the activity for non-voting performance-based restricted stock units for the year ended December 31, 2016.
|  | Share Units |  |  | Weighted Average Grant-Date Fair Value |  |  | Remaining Average Contractual Life (in years) |  |  | Aggregate Value (in thousands) |
Outstanding at January 1, 2016 |  |  | 394,956 |  |  | $ | 34.07 |  |  |  | 1.83 |  |  | $ | 13,456 |
Granted |  |  | 310,481 |  |  |  | 15.71 |  |  |  |  |  |  |  |  |
Forfeited |  |  | (14,848 | ) |  |  | (28.95 | ) |  |  |  |  |  |  |  |
Vested and released to participants |  |  | (121,171 | ) |  |  | (26.34 | ) |  |  |  |  |  |  |  |
Outstanding at December 31, 2016 |  |  | 569,418 |  |  | $ | 25.83 |  |  |  | 1.19 |  |  | $ | 14,708 |

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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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