Percent of performance shares vested upon achieving annual earnings per share targets

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- Definition

Percent of performance shares vested upon Company attaining performance targets against a peer group

+ References

No definition available.

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- Definition

The value represents the total of unrecognized compensation cost related to nonvested time based restricted common share awards granted.

+ References

No definition available.

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- Definition

Maximum number of share instruments may be issued under a share-based compensation plan subject to incentive stock options.

+ References

No definition available.

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- Definition

Number of shares reserved for issuance of common shares under an established share-based compensation plan.

+ References

No definition available.

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- Definition

Number of additional shares authorized for issuance under an established share-based compensation plan.

+ References

No definition available.

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- Definition

Share-based compensation, increase in awards reserved for issuance of common shares

+ References

No definition available.

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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

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=6415400&loc=d3e5070-113901

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- Definition

Disclosure of the aggregate tax benefit realized from the exercise of stock options and the conversion of similar instruments during the annual period.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (j)
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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

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
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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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(3)
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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued 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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
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- Definition

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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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.

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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

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- Definition

Number of options outstanding, including both vested and non-vested options.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Number of share options (or share units) exercised during the current period.

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-Name Accounting Standards Codification
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Share-Based Compensation Plans (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended				12 Months Ended
	May. 31, 2013	May. 31, 2010	Apr. 30, 2006	Apr. 30, 2005	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation award, number of shares available for grant					0	0	0
Share options, exercised					0	0	0
Share-based compensation vested in period, fair value					$ 9,101	$ 3,509	$ 2,177
Options outstanding					0	0	20,000
Exercise price of options outstanding							$ 15.73
Tax benefit realized from stock based compensation					$ 0	$ 0	$ 0
Time Based Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common shares, forfeited					(18,908)
Weighted average grant date fair value, granted					$ 11.41	$ 11.54	$ 6.13
Remaining unrecognized share-based compensation expense					$ 2,557
Employee service share-based compensation, nonvested, period for recognition					1 year 1 month 28 days
Performance Based Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common shares, forfeited					(337,758)
Weighted average grant date fair value, granted					$ 11.21
Remaining unrecognized share-based compensation expense					$ 2,018
Employee service share-based compensation, nonvested, period for recognition					1 year 6 months
Plan 2006 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common shares, forfeited					(1,299,440)
Share-based compensation award reserved for issuance of common shares	4,500,000	3,000,000	1,500,000
Share-based compensation, increase in awards reserved for issuance of common shares	1,500,000	1,500,000
Share-based compensation award, number of shares available for grant					1,231,445
Share-based compensation restricted common shares issued					4,567,995
Share-based compensation, maximum number of shares issuable			500,000
Plan 2006 [Member] \| Time Based Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation award vesting period							3 years	3 years	3 years	3 years
Share-based compensation restricted common shares issued					2,683,860
Plan 2006 [Member] \| Performance Based Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation award vesting period							3 years	3 years	3 years	3 years
Share-based compensation restricted common shares issued					1,884,135
Percent of performance shares vested upon Company attaining performance targets against a peer group					36.00%	20.00%
Percent of performance shares vested upon achieving annual earnings per share targets					64.00%	80.00%
Director Share Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation award reserved for issuance of common shares	700,000			500,000
Share-based compensation, increase in awards reserved for issuance of common shares	200,000
Share-based compensation award vesting period					1 year	1 year	1 year	1 year	1 year	1 year
Share-based compensation restricted common shares issued					530,195
Share-based compensation, maximum number of shares issuable					169,805
Equity Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding					0	0