Stock-Based Compensation - Restricted Stock Activity (Details) - $ / shares
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12 Months Ended |
Apr. 08, 2016 |
Feb. 11, 2015 |
Jan. 20, 2015 |
Dec. 31, 2016 |
Dec. 31, 2015 |
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] |
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| Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |
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3 years
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| Restricted Stock |
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| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] |
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| Nonvested, balance (in shares) |
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44,712
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0
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| Granted (in shares) |
51,015
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6,116
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60,960
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0
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67,076
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| Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period |
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3 years
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| Vested (in shares) |
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(22,364)
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(22,364)
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| Nonvested, balance (in shares) |
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22,348
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44,712
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| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] |
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| Nonvested, weighted average price at date of issuance (in dollars per share) |
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$ 12.15
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$ 0
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| Granted (in dollars per share) |
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0
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12.15
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| Vested (in dollars per share) |
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12.15
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12.15
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| Nonvested, weighted average price at date of issuance (in dollars per share) |
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$ 12.15
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$ 12.15
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| Equity Incentive 2016 Plan [Member] | Restricted Stock |
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| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] |
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| Nonvested, balance (in shares) |
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0
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| Granted (in shares) |
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51,015
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| Vested (in shares) |
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(12,759)
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| Nonvested, balance (in shares) |
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38,256
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0
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| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] |
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| Nonvested, weighted average price at date of issuance (in dollars per share) |
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$ 0
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| Granted (in dollars per share) |
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34.13
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| Vested (in dollars per share) |
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34.13
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| Nonvested, weighted average price at date of issuance (in dollars per share) |
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$ 34.13
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$ 0
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