This element represents the amount of recognized equity-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized). Alternate captions include the words "stock-based compensation".

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

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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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SHAREHOLDERS' EQUITY - Summary of Changes in Shareholders' Equity (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Shareholders Equity [Line Items]
Beginning balance, value			$ 415,091
Net earnings	6,637	12,739	16,275	23,089
Dividends			(13,502)
Stock-based employee compensation expense, value			405
Ending balance, value	418,269		418,269
Common Stock [Member]
Shareholders Equity [Line Items]
Beginning balance, value			334
Beginning balance, shares			33,397,260
Stock-based employee compensation expense, shares			19,613
Ending balance, value	334		334
Ending balance, shares	33,416,873		33,416,873
Paid-in-Capital [Member]
Shareholders Equity [Line Items]
Beginning balance, value			462,397
Stock-based employee compensation expense, value			405
Ending balance, value	462,802		462,802
Dividend Paid in Excess of Earnings [Member]
Shareholders Equity [Line Items]
Beginning balance, value			(47,640)
Net earnings			16,275
Dividends			(13,502)
Ending balance, value	$ (44,867)		$ (44,867)