Stockholders' Equity, Increase (Decrease) For Translation Adjustment

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- Definition

Stockholders' Equity, Repurchase of Common Stock for Tax Withholding

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- Definition

Stockholders' Equity, Tax Impact of New Accounting Principle in Period of Adoption

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- Definition

Amount of increase to additional paid-in capital (APIC) from recognition of equity-based compensation.

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- Definition

Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

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- Definition

Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Aggregate change in value for stock issued during the period as a result of employee stock purchase plan.

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- Definition

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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Stockholders' Equity - Changes in Stockholders' Equity (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance at January 1, 2018			$ 290,529
Adjustment to beginning balance resulting from adoption of ASC 606					$ 6,258
Net loss for the six months, ended June 30, 2018	$ (976)	$ 1,498	(465)	$ 2,352
Estimated tax impact resulting from adoption of ASC 606			(1,614)
Cash dividends declared			(5,127)
Common stock repurchase program			(9,467)
Amortization of stock based compensation			2,501
Repurchase of common stock for tax withholdings			(894)
Cumulative translation adjustment			(598)
Issuance of common stock under the Employee Stock Purchase Plan			143
Balance at June 30, 2018	$ 281,266		$ 281,266