Incentive Share-Based Plan and Other Employee Benefits - Summary of Restricted Stock Unit (Details) - Restricted Stock Units [Member] - $ / shares |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |||
| Non-vested at beginning of period | 39,929 | 3,198 | |
| Granted | 3,866 | 40,035 | 3,198 |
| Vested | (14,228) | (3,304) | |
| Forfeited | (1,672) | ||
| Non-vested at end of period | 27,895 | 39,929 | 3,198 |
| Non-vested at beginning of period, Weighted Average Grant Date Fair Value | $ 12.54 | $ 11.10 | |
| Granted, Weighted Average Grant Date Fair Value | 16.50 | 12.54 | $ 11.10 |
| Vested, Weighted Average Grant Date Fair Value | 12.81 | 11.13 | |
| Forfeited, Weighted Average Grant Date Fair Value | 12.54 | ||
| Non-vested at end of period, Weighted Average Grant Date Fair Value | $ 12.97 | $ 12.54 | $ 11.10 |