The highest quantity of shares a participant can be awarded in any one year under the plan.

No definition available.

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- Definition

Represents the period during which an employee can be awarded the maximum number of shares allowable under the Plan.

+ References

No definition available.

+ Details

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- Definition

The maximum percentage of common shares that can be owned or deemed to be owned by a participant. If the maximum ownership or deemed ownership is attained no awards may be granted to that participant.

+ References

No definition available.

+ Details

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- Definition

Unrecognized cost of unvested share-based compensation awards.

+ References

+ Details

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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.

+ References

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ References

+ Details

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

+ Details

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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.

+ References

No definition available.

+ Details

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- Definition

Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(ii)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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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).

+ References

+ Details

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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- Details

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- Details

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- Details

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Equity Compensation, Employment Agreements and Other Benefit Plans (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Share based compensation
Maximum shares authorized for grant	12,000,000.0		12,000,000.0
Shares available for grant (in shares)	5,700,000		5,700,000
RSUs
Share based compensation
Awards granted (in shares)	151,302	140,195	843,802	898,945
Forfeitures (in shares)			20,000	0
Unrecognized compensation cost	$ 7.3		$ 7.3		$ 4.1
Period for recognizing unrecognized compensation cost			2 years 7 days
Restricted shares of common stock
Share based compensation
Awards granted (in shares)			0	0
Share-based awards outstanding (in shares)	0		0
Equity Compensation Plan
Share based compensation
Maximum number of common shares that can be granted to participant in any one year			1,500,000.0
Period during which a participant can be awarded the maximum number of shares allowable under the Plan			1 year
Maximum percentage of common shares that can be owned or deemed to be owned by a participant (more than)			9.80%