Subsequent Events - Additional Information (Detail) - Subsequent Event - USD ($) $ / shares in Units, $ in Millions	Feb. 16, 2018	Feb. 14, 2018
Schucker - New York
Subsequent Event [Line Items]
Legal settlement		$ 1.3
Dividend Declared
Subsequent Event [Line Items]
Dividend declaration date	Feb. 16, 2018
Dividend per share on common stock	$ 0.17
Dividend to be paid date	Mar. 16, 2018
Dividend record date	Mar. 02, 2018

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586

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- Definition

The per share amount of a dividend declared, but not paid, as of the financial reporting date.

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- Definition

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

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- Definition

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

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- Definition

Amount awarded to other party in judgment or settlement of litigation.

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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