Income Tax Reconciliation Deductions Earnings On Life Insurance

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- Definition

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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- Definition

The amount of plan compensation cost recognized during the period.

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-Name Accounting Standards Codification

-Topic 718

-SubTopic 40

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Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

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- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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-Topic 235

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-Subparagraph (SX 210.4-08.(h))

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-Glossary Income Tax Expense (or Benefit)

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- Definition

Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to deduction for dividend paid to employee stock ownership plan.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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Income Taxes - Schedule of Income Tax Reconciliation (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Income before provision for income taxes									$ 30,531	$ 24,943	$ 30,947
Applicable statutory Federal income tax rate									35.00%	35.00%	35.00%
Computed "expected" Federal income tax expense									10,686	8,730	10,831
Increase (decrease) in Federal income tax expense resulting from:
ESOP									99	87	66
ESOP dividends									(229)	(233)	(233)
Earnings on BOLI									(517)	(491)	(468)
State income taxes net of Federal benefit									695	642	757
Other items, net									(123)	(122)	(26)
Income tax expense (benefit)	$ 2,491us-gaap_IncomeTaxExpenseBenefit	$ 2,790us-gaap_IncomeTaxExpenseBenefit	$ 2,767us-gaap_IncomeTaxExpenseBenefit	$ 2,563us-gaap_IncomeTaxExpenseBenefit	$ 784us-gaap_IncomeTaxExpenseBenefit	$ 2,658us-gaap_IncomeTaxExpenseBenefit	$ 2,774us-gaap_IncomeTaxExpenseBenefit	$ 2,397us-gaap_IncomeTaxExpenseBenefit	$ 10,611us-gaap_IncomeTaxExpenseBenefit	$ 8,613us-gaap_IncomeTaxExpenseBenefit	$ 10,927us-gaap_IncomeTaxExpenseBenefit