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SHAREHOLDERS' EQUITY (DETAILS 3) (USD $)
In Thousands, except Share data, unless otherwise specified |
3 Months Ended | 6 Months Ended | 1 Months Ended | 6 Months Ended | 1 Months Ended | 6 Months Ended | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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Jun. 30, 2013
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Jun. 30, 2012
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Jun. 30, 2013
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Jun. 30, 2012
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May 31, 2013
Series A 7.25% Preferred Shares [Member]
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Mar. 31, 2012
Series A 7.25% Preferred Shares [Member]
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Apr. 30, 2012
Series B 7.50% Preferred Shares [Member]
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Jun. 30, 2013
Series B 7.50% Preferred Shares [Member]
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Jun. 30, 2013
Series C 6.875% Preferred Shares [Member]
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May 31, 2013
Series D 5.50% Preferred Shares [Member]
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Jun. 30, 2013
Series D 5.50% Preferred Shares [Member]
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| Class of Stock [Line Items] | |||||||||||
| Preferred shares, dividend rate | 7.25% | 7.50% | 6.875% | 5.50% | |||||||
| Preferred shares, number of shares repurchased | 4,000,000 | 6,000,000 | 2,471,570 | ||||||||
| Preferred shares, aggregate liquidation preference repurchased | $ 100,000 | $ 150,000 | |||||||||
| Loss on repurchase of preferred shares | 3,081 | 9,387 | 3,081 | 14,009 | 3,000 | 5,000 | 9,000 | ||||
| Preferred shares, purchase price per share | $ 102.81 | ||||||||||
| Preferred shares, redemption price per share | $ 25.00 | ||||||||||
| Aggregate cash payment to acquire preferred shares | 100,000 | 404,073 | 254,000 | ||||||||
| Preferred shares, aggregate liquidation value issued | $ 225,000 | ||||||||||
| Preferred shares, par value per share | $ 0.0125 | ||||||||||
| Preferred shares, liquidation preference per share | $ 25.00 | ||||||||||