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Stock Compensation - Summary of Changes in Nonvested Restricted Stock Awards (Detail) - Jun. 30, 2015 - $ / shares	Total	Total
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Nonvested at beginning of period, Shares	89,850	68,210
Granted, Shares	0	48,300
Vested, Shares	0	(26,660)
Nonvested at end of period, Shares	89,850	89,850
Nonvested at beginning of period, Per Share Weighted Average Grant Date Fair Value	$ 17.00	$ 16.82
Granted, Per Share Weighted Average Grant Date Fair Value	0	17.00
Vested, Per Share Weighted Average Grant Date Fair Value	0	16.53
Nonvested at end of period, Per Share Weighted Average Grant Date Fair Value	$ 17.00	$ 17.00

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 718



-SubTopic 10



-Section 50



-Paragraph 2



-Subparagraph (c)(2)(iii)(1)



-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



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The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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-Name Accounting Standards Codification



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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef



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