Represents the number of executive officers.

No definition available.

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- Definition

The number of grants made to each independent members of the board of directors during the period on other than stock (or unit) option plans.

+ References

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
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- Definition

Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation.

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

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- Definition

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).

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

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

+ References

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

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

+ References

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

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

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- Definition

Number of options outstanding, including both vested and non-vested options.

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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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- Definition

Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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STOCK-BASED COMPENSATION PLANS - Narrative (Details)			1 Months Ended			10 Months Ended	12 Months Ended
STOCK-BASED COMPENSATION PLANS - Narrative (Details)	Mar. 06, 2015 shares	May 06, 2014 swap shares	Jun. 30, 2017 shares	May 31, 2016 shares	Apr. 30, 2015 shares	Mar. 06, 2015	Dec. 31, 2017 USD ($) shares	Dec. 31, 2016 USD ($) shares	Dec. 31, 2015 USD ($) shares	Jun. 30, 2015 shares	May 06, 2015 shares	Dec. 31, 2014 $ / shares shares
Share-based compensation plans
Options granted (in shares)							0	0
Stock options outstanding (in shares)							0	0				17,050
Outstanding options forfeited (in shares)									17,050
Weighted average exercise price (in USD per share) \| $ / shares												$ 20.46
Restricted share awards
Share-based compensation plans
Granted (in shares)							9,585	10,176	8,000
Unrecognized compensation expense \| $							$ 61,000
Fair value of shares vested \| $							203,000	$ 133,000	$ 131,000
Restricted share awards \| Board of directors
Share-based compensation plans
Stock-based compensation expense \| $							153,000	155,000	113,000
Award granted to each independent members of the board of directors			3,195	3,392	2,000
Granted (in shares)			9,585	10,176	6,000
Award vesting period			1 year	1 year	1 year
Restricted share awards \| Executive officers
Share-based compensation plans
Stock-based compensation expense \| $							$ 1,000	$ 9,000	39,000
Number of executive officers \| swap		2
Common stock issued (in shares)	2,000	2,000
Award vesting period		2 years				2 years
Options
Share-based compensation plans
Stock-based compensation expense \| $									$ 0
2005 Equity Incentive Plan \| Maximum \| Restricted share awards
Share-based compensation plans
Aggregate numbers of shares (in shares)										300,000
2015 Equity Incentive Plan \| Maximum \| Restricted share awards
Share-based compensation plans
Aggregate numbers of shares (in shares)											400,000