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Stock Incentive Plans - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Issued In 2016 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Performance period | 3 years |  |
Restricted Stock |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Share based payment, vesting period (years) | 3 years |  |
Expected to vest one year from balance sheet date (in shares) | 310,117 |  |
Expected to vest two years from balance sheet date (in shares) | 215,368 |  |
Expected to vest three years from balance sheet date (in shares) | 116,359 |  |
Unrecognized compensation cost | $ 4.0 |  |
Unrecognized compensation expense related to compensation awards, period for recognition (in months) | 21 months |  |
Compensation expense (in dollars) | $ 3.1 | $ 3.1 | $ 2.8
Performance Stock Units |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Share based payment, vesting period (years) | 3 years | 3 years |
Expected to vest one year from balance sheet date (in shares) | 247,949 |  |
Expected to vest two years from balance sheet date (in shares) | 231,221 |  |
Expected to vest three years from balance sheet date (in shares) | 302,753 |  |
Unrecognized compensation cost | $ 3.1 |  |
Unrecognized compensation expense related to compensation awards, period for recognition (in months) | 22 months |  |
Compensation expense (in dollars) | $ 1.9 | $ 2.5 | 2.0
Performance period | 3 years |  |
Percentage of total stockholder return for payout of shares (as a percent) | 30.00% | 30.00% |
Maximum possible payout to executive officer as a percentage of the target award (as a percent) | 150.00% |  |
Percentage based on improvement in market share of hotels (as a percent) | 25.00% |  |
Compensation expense, forfeitures |  |  | $ 0.4
Performance Stock Units | Chief Financial Officer |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Compensation expense (in dollars) | $ (1.0) |  |
Performance Stock Units | Executive Officer |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Percentage of total stockholder return for payout of shares (as a percent) | 75.00% |  |
Performance Stock Units | Issued In 2017 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Share based payment, vesting period (years) | 3 years |  |
Percentage of payout based on improving market share | 50.00% |  |
Performance Stock Units | Issued In 2017 | Executive Officer |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Percentage of total stockholder return for payout of shares (as a percent) | 50.00% |  |
2016 Equity Incentive Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Stock option and Incentive plan, shares authorized (in shares) | 6,082,664 |  |
Number of shares issued or committed to issue (in shares) | 846,517 |  |

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