Stock-Based Compensation - 2018 Market-Based RSAs and RSUs (Details) - 2018 Market-Based RSAs and RSUs - TSR and Performance Measures - Senior Management $ in Millions	Mar. 02, 2018 USD ($) shares
Market-Based RSAs and RSUs
Stock-based compensation
Timeframe for calculation of TSR	3 years
Minimum payout of shares (in shares)	0
Maximum payout of shares (in shares)	161,298
Aggregate value recognized as compensation expense \| $	$ 1.7
Market-Based RSAs
Stock-based compensation
Granted (in shares)	111,668
Market-Based RSUs
Stock-based compensation
Granted (in shares)	49,630

Represents the maximum payout of shares granted upon the actual performance against the Performance Measures.

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- Definition

Represents the minimum payout of shares granted upon the actual performance against the Performance Measures.

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- Definition

Represents information pertaining to period over which the relative total shareholder return is to be calculated to enable vesting of share-based payment awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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).

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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

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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.

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- Definition

Value, before forfeitures, of stock or other type of equity granted of any equity-based compensation plan other than an employee stock ownership plan (ESOP).

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