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EQUITY Stock option activity (Details) (USD $) In Thousands, except Share data, unless otherwise specified	0 Months Ended				12 Months Ended
	Dec. 13, 2012	Jan. 17, 2012	Oct. 05, 2011	Jan. 02, 2010	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010		Sep. 11, 2012
Class of Stock [Line Items]
Increase in number of shares in stock option plan											1,000,000
Increase in shares in 2006 Director stock option plan											200,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant					1,623,014
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant - 2006 Director Plan					201,667
Proceeds from Stock Options Exercised					$ 305		$ 211		$ 159
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value					1,932		707		247
Outstanding, Intrinsic Value					3,585
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value					$ 3,384
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding at beginning of year				1,745,165	1,388,333		1,817,665		1,745,165
Granted at market price	5,000	25,000	25,000	25,000	348,898		166,666		260,000
Exercised					(252,453)	[1]	(231,831)	[1]	(67,500)	[1]
Forfeited or expired					(173,381)		(364,167)		(120,000)
Outstanding at end of year					1,311,397		1,388,333		1,817,665
Exercisable at end of year					954,432		1,267,915		1,572,455
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Weighted Average Exercise Price Per Share - Outstanding				$ 3.52	$ 4.17		$ 3.69		$ 3.52
Weighted Average Exercise Price - Granted					$ 7.85		$ 4.63		$ 5.58
Weighted Average Exercise Price - Exercised					$ 3.24		$ 2.62		$ 2.36
Weighted Average Exercise Price Per Share - Forfeited or Expired					$ 5.10		$ 3.00		$ 6.13
Weighted Average Exercise Price Per Share - Outstanding					$ 5.20		$ 4.17		$ 3.69
Exercisable options, weighted average exercise price					$ 4.26		$ 4.08		$ 3.62
[1] All shares issued in connection with option exercises were newly issued shares.

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The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The total accumulated difference between fair values of underlying shares on dates of exercise and exercise price on options which were exercised (or share units converted) into shares during the reporting period under the plan.

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For presentations that combine terminations, 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 or that expired.

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Weighted average price of options that were either forfeited or expired.

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The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

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

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