No definition available.

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- Definition

Authorization date of share repurchase program

+ References

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

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

+ References

No definition available.

+ Details

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- Definition

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

+ References

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- Definition

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).

+ References

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

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

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CAPITAL STOCK - Share Repurchase Progam (Narrative) (Details) - Common Stock [Member] - USD ($)	9 Months Ended	12 Months Ended	32 Months Ended
	Sep. 30, 2017	Dec. 31, 2017	Mar. 31, 2018	Feb. 08, 2018	Jul. 29, 2015
Share Repurchase Program [Member]
Share Repurchase Program [Line Items]
Stock Repurchase Program Authorization Date			Jul. 29, 2015
Stock Repurchased and Retired During Period, Shares	0	0	1,216,243
Stock Repurchased and Retired During Period, Value			$ 10,800,000
Weighted Average Share Repurchase Price			$ 8.92
Share Repurchase Program [Member] \| Maximum [Member]
Share Repurchase Program [Line Items]
Share Repurchase					2,000,000
Stock Repurchase Program Remaining Number Of Shares Authorized To Be Repurchased			5,306,579
Program Increase [Member] \| Maximum [Member]
Share Repurchase Program [Line Items]
Share Repurchase				4,522,822