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Stock-Based Compensation - Summary of Grants Awarded (Details) | 6 Months Ended
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Jun. 30, 2019 $ / shares shares
February 5, 2019 | Restricted stock |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Restricted stock | shares | 435,173
Grant date fair value of restricted stock | $ / shares | $ 5.08
February 5, 2019 | Performance shares |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Performance shares | shares | 628,943
Grant date fair value of performance shares | $ / shares | $ 5.54
February 19, 2019 | Restricted stock |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Restricted stock | shares | 854,058
Grant date fair value of restricted stock | $ / shares | $ 5.17
February 19, 2019 | Performance shares |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Performance shares | shares | 80,850
Grant date fair value of performance shares | $ / shares | $ 5.54
May 1, 2019 | Restricted stock |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Restricted stock | shares | 87,775
Grant date fair value of restricted stock | $ / shares | $ 3.42
June 12, 2019 | Restricted stock |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Restricted stock | shares | 102,373
Grant date fair value of restricted stock | $ / shares | $ 3.21

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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 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)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Per share weighted average intrinsic value of equity-based compensation awards granted. Excludes stock and unit options. + 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)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + 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 Net number of non-option equity instruments granted to participants. + 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)(iv)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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