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Subsequent Events - Additional Information (Detail) - Subsequent Event - USD ($) $ in Thousands	Oct. 31, 2018	Nov. 02, 2018
Subsequent Event [Line Items]
Stock Repurchase Program, Authorized Amount		$ 20,000
TyraTech Inc.
Subsequent Event [Line Items]
Percentage of issued and outstanding shares acquired	65.62%
Business acquisition of cash consideration	$ 4,340
Transaction expected closing date	Nov. 08, 2018

X

- Definition

Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format.

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

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- Definition

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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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