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Summary of PSUs Granted (Detail) - Performance Share Units | 12 Months Ended
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Dec. 31, 2017 $ / shares shares
Relative 3-year TSR vs NAREIT Apartment Index |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Grant Date | Feb. 28, 2017
Type of PSUs Granted | Relative 3-year TSR vs NAREIT Apartment Index
Number of PSUs Granted | 135,881
Performance Period Commencement Date | Jan. 01, 2018
Performance Period End Date | Dec. 31, 2020
Grant Date Fair Value | $ / shares | $ 4.83
Number of PSUs Outstanding as of December 31, 2017 | 135,881
Absolute 3-Year TSR |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Grant Date | Feb. 28, 2017
Type of PSUs Granted | Absolute 3-Year TSR
Number of PSUs Granted | 45,294
Performance Period Commencement Date | Jan. 01, 2018
Performance Period End Date | Dec. 31, 2020
Grant Date Fair Value | $ / shares | $ 3.13
Number of PSUs Outstanding as of December 31, 2017 | 45,294
Strategic Objectives |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Grant Date | Jul. 26, 2017
Type of PSUs Granted | Strategic Objectives
Number of PSUs Granted | 45,294
Performance Period Commencement Date | Jan. 01, 2018
Performance Period End Date | Dec. 31, 2020
Grant Date Fair Value | $ / shares | $ 9.87
Number of PSUs Outstanding as of December 31, 2017 | 45,294

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- Definition Share based compensation arrangement by share based payment award equity instruments other than options grant date. + References No definition available. + Details
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- Definition Share based compensation arrangement by share based payment award equity instruments other than options performance period commencement date. + References No definition available. + Details
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- Definition Share based compensation arrangement by share based payment award equity instruments other than options performance period end date. + References No definition available. + Details
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- Definition Share based compensation arrangement by share based payment award other than options type of award granted. + References No definition available. + Details
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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://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) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + 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)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units. + 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)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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