CAPITAL STOCK - Share Repurchase Progam (Narrative) (Details) - USD ($)	29 Months Ended
Dec. 31, 2017	Feb. 08, 2018
Share Repurchase Program [Member] \| Common Stock [Member]
Share Repurchase Program [Line Items]
Stock Repurchase Program Authorization Date	Jul. 29, 2015
Stock Repurchased and Retired During Period, Shares	1,216,243
Stock Repurchased and Retired During Period, Value	$ 10,800,000
Weighted Average Share Repurchase Price	$ 8.92
Program Increase [Member] \| Common Stock [Member]
Share Repurchase Program [Line Items]
Stock Repurchase Program Authorization Date	Feb. 08, 2018
Share Repurchase		4,522,822
Program Increase [Member] \| Maximum [Member] \| Common Stock [Member]
Share Repurchase Program [Line Items]
Share Repurchase		5,306,579

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- Definition

Authorization date of share repurchase program

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No definition available.

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- Definition

The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

+ References

No definition available.

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- Definition

Number of shares that have been repurchased and retired during the period.

+ References

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Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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Total cost of shares repurchased divided by the total number of shares repurchased.

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