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- Definition

Maximum Possible Payout to Executive Officer as a Percentage of the Target Award

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- Definition

Percentage Based on Improvement in Market Share of Hotels

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Percentage Of Payout Based On Improving Market Share

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- Definition

Percentage of Total Stockholder Return For Payout of Shares

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- Definition

Share-based Compensation Arrangement by Share-based Payment Arrangement, Performance Period

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- Definition

Share Based Compensation Arrangement by Share Based Payment Award Number of Shares Issued or Committed to Issue

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- Definition

Share Based Compensation Arrangement by Share Based Payment Award Restricted Stock Awards Expected to Vest One Year from Balance Sheet

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- Definition

Share Based Compensation Arrangement by Share Based Payment Award Restricted Stock Awards Expected to Vest Three Years from Balance Sheet Date

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- Definition

Share Based Compensation Arrangement by Share Based Payment Award Restricted Stock Awards Expected to Vest Two Years from Balance Sheet Date

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Unrecognized cost of unvested share-based compensation awards.

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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Stock Incentive Plans - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	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