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Stock-Based Compensation Restricted Stock Units (Details) - Jun. 30, 2015 $ in Millions | USD ($) years shares
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Incentive shares granted | 379,000
Incentive shares ouststanding Aggregate Intrinsic Value (in millions) | $ | $ 28.3
Director restricted stock [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Compensation Expense | $ | 0.9
Restricted Stock Units (RSUs) [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Unrecognized compensation costs | $ | 6.1
Compensation Expense | $ | $ 1.7
Incentive share awards outstanding at January 1, 2015 | 593,613
Incentive shares granted | 250,129
Incentive share awards vested | (273,995)
Incentive share awards canceled | (15,083)
Incentive shares outstanding at June 30, 2015 | 554,664
Incentive share awards outstanding Weighted Average Contractual Term (in years) | 1 year 8 months 12 days
Incentive shares ouststanding Aggregate Intrinsic Value (in millions) | $ | $ 9.5
Vested and expected to vest at June 30, 2015 | 527,000
Vested and expected to vest Weighted Average Contractual Term (in years) | years | 0.00
Vested and expected to vest Aggregate Intrinsic Value (in millions) | $ | $ 9.0
Weighted-average period of years costs are expected to be recognied over | 1 year 8 months 12 days
Restricted Stock [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Unrecognized compensation costs | $ | $ 1.4
Incentive share awards canceled | (14,544)
Incentive shares outstanding at June 30, 2015 | 282,701
Weighted-average period of years costs are expected to be recognied over | 2 years 6 months
Director [Member] | Restricted Stock [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Unrecognized compensation costs | $ | $ 2.7
Incentive share awards outstanding at January 1, 2015 | 453,146
Incentive shares granted | 69,744
Weighted-average period of years costs are expected to be recognied over | 1 year 6 months
Chief Executive Officer [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Compensation Expense | $ | $ 0.3
Chief Executive Officer [Member] | Restricted Stock [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Unrecognized compensation costs | $ | $ 0.3
Incentive shares outstanding at June 30, 2015 | 300,000

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- Definition Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested And Expected To Vest + References No definition available. + Details
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- Definition Share Based Compensation Arrangement by Share Based Payment Award, Options And Ssars, Outstanding, Intrinsic Value + References No definition available. + Details
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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) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + 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 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 + Details
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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) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested 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)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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