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Share and Incentive Based Compensation - Narrative (Details) $ / shares in Units, shares in Thousands, $ in Thousands | 1 Months Ended | 3 Months Ended |
--- | --- | --- | ---
Feb. 28, 2017 shares | Oct. 31, 2016 $ / Unit | Jun. 30, 2018 shares | Mar. 31, 2018 USD ($) $ / shares shares | Mar. 31, 2017 USD ($) | Oct. 01, 2016 shares
Share and Incentive Based Compensation Arrangement |  |  |  |  |  |
Shares authorized for issuance | shares |  |  |  |  |  | 4,600
Accelerated vesting compensation cost |  |  |  | $ 12,950 |  |
Number of Shares | shares |  |  |  | 763 |  |
Performance units vesting period |  |  |  | 3 years |  |
Performance units weighted average grant date fair value | $ / Unit |  | 100 |  |  |  |
Performance units compensation expense |  |  |  | $ 3,500 |  |
Performance units accelerated compensation cost |  |  |  | 1,000 |  |
Performance units liability |  |  |  | 400 |  |
Restricted Stock |  |  |  |  |  |
Share and Incentive Based Compensation Arrangement |  |  |  |  |  |
Share-based compensation expense |  |  |  | 14,600 | $ 3,600 |
Share-based compensation, capitalized |  |  |  | 200 | $ 500 |
Unrecognized compensation cost related to unvested awards |  |  |  | $ 7,100 |  |
Unrecognized compensation cost, period of recognition |  |  |  | 1 year 6 months |  |
Aggregate intrinsic value of vested awards |  |  |  | $ 3,400 |  |
Shares granted | shares |  |  |  | 3 |  |
Value of shares granted (in usd per share) | $ / shares |  |  |  | $ 15.45 |  |
Restricted Stock | Minimum |  |  |  |  |  |
Share and Incentive Based Compensation Arrangement |  |  |  |  |  |
Vesting period |  |  |  | 2 years 6 months |  |
Restricted Stock | Maximum |  |  |  |  |  |
Share and Incentive Based Compensation Arrangement |  |  |  |  |  |
Vesting period |  |  |  | 3 years |  |
Performance Share Units |  |  |  |  |  |
Share and Incentive Based Compensation Arrangement |  |  |  |  |  |
Share-based compensation expense |  |  |  | $ 1,500 |  |
Accelerated vesting compensation cost |  |  |  | $ 400 |  |
Shares granted | shares |  |  |  | 0 |  |
Performance Share Units | Maximum |  |  |  |  |  |
Share and Incentive Based Compensation Arrangement |  |  |  |  |  |
Shares granted | shares | 400 |  |  |  |  |
Reduction in Workforce [Member] |  |  |  |  |  |
Share and Incentive Based Compensation Arrangement |  |  |  |  |  |
Performance units accelerated compensation cost |  |  |  | $ 2,000 |  |
Reduction in Workforce [Member] | Restricted Stock |  |  |  |  |  |
Share and Incentive Based Compensation Arrangement |  |  |  |  |  |
Accelerated vesting compensation cost |  |  |  | 7,800 |  |
Reduction in Workforce [Member] | Common Stock |  |  |  |  |  |
Share and Incentive Based Compensation Arrangement |  |  |  |  |  |
Accelerated vesting compensation cost |  |  |  | $ 4,000 |  |
Number of Shares | shares |  |  |  | 200 |  |
Reduction in Workforce [Member] | Performance Share Units |  |  |  |  |  |
Share and Incentive Based Compensation Arrangement |  |  |  |  |  |
Accelerated vesting compensation cost |  |  |  | $ 700 |  |
Reduction in Workforce [Member] | Forecast | Restricted Stock |  |  |  |  |  |
Share and Incentive Based Compensation Arrangement |  |  |  |  |  |
Number of Shares | shares |  |  | 400 |  |  |

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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=96867065&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=96867065&loc=d3e5070-113901 + Details
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