The offering price as adjusted for stock dividends since granted and assumed selling costs.

No definition available.

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

The value of restricted shares issued as compensation, net of the value of shares for the payment of withholding taxes. This element is to be used only if shares are used in lieu of cash to satisfy all or a portion of withholding taxes.

+ References

No definition available.

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No definition available.

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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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)
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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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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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No definition available.

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- Definition

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

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-Publisher FASB
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-Paragraph 2
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Share-Based Incentive Plan (Detail) - USD ($)	1 Months Ended	12 Months Ended
Share-Based Incentive Plan (Detail) - USD ($)	Dec. 31, 2006	Dec. 31, 2016	Dec. 31, 2015
Share-Based Incentive Plan [Abstract]
Value of granted nonvested restricted stock issued		$ 1,280,000	$ 1,036,000
Compensation expense		$ 520,000	$ 465,000
Non Vested Restricted Shares \| Minimum [Member]
Share-Based Incentive Plan [Abstract]
Vesting period		1 year
Non Vested Restricted Shares \| Maximum [Member]
Share-Based Incentive Plan [Abstract]
Vesting period		10 years
Restricted Stock Plan [Member] \| Restricted Stock [Member]
Nonvested Restricted Shares [Roll Forward]
Balance, beginning of period (in shares)		120,360
Granted (in shares)		88,768
Vested (in shares)		(60,249)
Balance, end of period (in shares)		148,879	120,360
Restricted Stock Plan [Member] \| Restricted Stock [Member] \| Private Placement [Member]
Share-Based Incentive Plan [Abstract]
Offering price (in dollars per share)	$ 8.60	$ 10.00
Restricted Stock Plan [Member] \| Restricted Stock [Member] \| Minimum [Member]
Share-Based Incentive Plan [Abstract]
Vesting period		3 years
Restricted Stock Plan [Member] \| Restricted Stock [Member] \| Maximum [Member]
Share-Based Incentive Plan [Abstract]
Vesting period		10 years