Common Stock Repurchase Program Description

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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

Aggregate dividends declared during the period for each share of common stock outstanding.

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-Name Accounting Standards Codification
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- Definition

Date the declared dividend will be paid, in CCYY-MM-DD format.

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- Definition

Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

+ References

No definition available.

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- Definition

Amount of stock repurchase plan authorized.

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No definition available.

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- Definition

Expiration date for the purchase of an entity's own shares under a stock repurchase plan, in the CCYY-MM-DD format.

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No definition available.

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- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Stockholders' Equity - Additional Information (Detail) - USD ($)		3 Months Ended		6 Months Ended
	Jul. 23, 2018	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Jul. 25, 2017
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Cash dividend on common stock per share		$ 0.070	$ 0.055	$ 0.140	$ 0.110
Installment 2 FY 2018 [Member]
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Dividend payment date				Sep. 06, 2018
Dividend record date				Aug. 22, 2018
Subsequent Event [Member] \| Installment 2 FY 2018 [Member]
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Cash dividend on common stock per share	$ 0.07
Dividend Payment	$ 1,400,000
Stock Repurchase Program [Member]
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Stock repurchase program expiration date				Jul. 25, 2018
Stock repurchase program, Description				This program expired on July 25, 2018.
Share repurchases				0
Stock Repurchase Program [Member] \| Maximum [Member] \| Common Stock [Member]
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Repurchase of common stock						$ 7,500,000