Share-Based Compensation Arrangement By Share-Based Payment Award, Holding Period

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Maximum Share Value Authorized Under Plan

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- Definition

Share-based Compensation Arrangement By Share-based Payment Award, Fair Value Assumptions, Stock Price Assuming Maximum Bonus Pool Eligibility

+ References

No definition available.

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- Definition

Share-based Compensation Arrangement By Share-based Payment Award, Mandatory Holding Period Upon Vesting

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Reduction In Share Reserve, Ratio

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Vesting Percentage After Initial Performance Period

+ References

No definition available.

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- Definition

Amount of increase to additional paid-in capital (APIC) from recognition of equity-based compensation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 35
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=79507207&loc=d3e4534-113899

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-Section 50
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5047-113901

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 20
-Section 55
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-Name Accounting Standards Codification
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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
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-Publisher FASB
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- Definition

Unrecognized cost of unvested share-based compensation awards.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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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 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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

Percentage of vesting of share-based compensation awards.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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Stock-Based Compensation - Additional Information (Details)	1 Months Ended		12 Months Ended
	Feb. 28, 2017 USD ($)	Dec. 31, 2015	Dec. 31, 2017 USD ($) $ / shares shares	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock price assumption for maximum bonus pool eligibility (in dollars per share) \| $ / shares			$ 34.25
Performance period (in years)			3 years
Vesting percentage after performance period			50.00%
Amortization of stock-based compensation			$ 15,915,000	$ 14,654,000	$ 8,832,000
Unrecognized compensation cost related to unvested share-based payments			$ 31,200,000
Unrecognized compensation cost, amortization period (in years)			2 years
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)			2 years
2010 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Ratio of reduction in share reserve			5.14
Number of shares authorized for issuance \| shares			3,961,867
Existing and Newly Elected Board Member
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)			3 years
Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)			3 years
Employees \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)		4 years
One-Time Retention Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Retention awards, vesting percentage		25.00%	25.00%
OPP 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Mandatory holding period upon vesting	2 years
Outperformance Program
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum bonus pool	$ 20,000,000.0		$ 20,000,000.0	17,500,000.0
Outperformance Program \| Expensed stock compensation
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense			15,079,000	14,144,000	8,421,000
Outperformance Program \| Capitalized stock compensation
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense			$ 836,000	$ 510,000	$ 411,000