Share Based Compensation Arrangements by Share Based Payment Award, Number of Vesting Installments

No definition available.

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- Definition

Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation.

+ 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=96867065&loc=d3e5070-113901

+ Details

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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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

+ 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

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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- Details

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Share-Based Compensation - Summary of Information about Restricted Stock Awards (Detail)	12 Months Ended
	Dec. 31, 2017 USD ($) installment shares	Dec. 31, 2016 shares	Dec. 31, 2015 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unearned Compensation \| $	$ 4,900,000
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares) \| shares	354,000	571,000	818,000
Restricted Stock \| October 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares) \| shares	595,509
Unearned Compensation \| $	$ 451,700
Remaining Period (in months)	10 months
Number of vesting installments \| installment	3
Restricted Stock \| January/March 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares) \| shares	62,610
Unearned Compensation \| $	$ 22,500
Remaining Period (in months)	10 months
Number of vesting installments \| installment	3
Restricted Stock \| October 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares) \| shares	410,751
Unearned Compensation \| $	$ 1,250,600
Remaining Period (in months)	22 months
Number of vesting installments \| installment	3
Restricted Stock \| July 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares) \| shares	5,701
Unearned Compensation \| $	$ 28,500
Remaining Period (in months)	22 months
Number of vesting installments \| installment	3
Restricted Stock \| October 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares) \| shares	302,574
Unearned Compensation \| $	$ 2,797,600
Remaining Period (in months)	34 months
Number of vesting installments \| installment	3
Restricted Stock \| October 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares) \| shares	45,965
Unearned Compensation \| $	$ 375,000
Remaining Period (in months)	10 months
Number of vesting installments \| installment	3