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v3.3.1.900

Stock Based Compensation - Restricted and Unrestricted Shares with Market Conditions (Details) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 28, 2011 | Dec. 31, 2015 | Dec. 31, 2014
Relative TSR [Member] | Restricted Share Awards [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Restricted and Unrestricted Share Awards, Grant Date Fair Value | $ 458 | $ 191 |
Unamortized Value Of Restricted and Unrestricted Shares |  | 144 | $ 161
Relative TSR [Member] | Unrestricted Share Awards [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Restricted and Unrestricted Share Awards, Grant Date Fair Value | 1,376 | 634 |
Unamortized Value Of Restricted and Unrestricted Shares |  | 383 | 0
Absolute TSR [Member] | Restricted Share Awards [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Restricted and Unrestricted Share Awards, Grant Date Fair Value | 327 | 76 |
Unamortized Value Of Restricted and Unrestricted Shares |  | 57 | 111
Absolute TSR [Member] | Unrestricted Share Awards [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Restricted and Unrestricted Share Awards, Grant Date Fair Value | $ 921 | 254 |
Unamortized Value Of Restricted and Unrestricted Shares |  | $ 153 | $ 0

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