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Subsequent Event	6 Months Ended
	Jun. 30, 2012
Subsequent Event [Abstract]
Subsequent Event	10. Subsequent Event On July 31, 2012, we repurchased 122.76 shares of our outstanding Series D Perpetual Preferred Stock at their liquidation value of $12.3 million and also paid $7.7 million in accrued dividends related thereto.

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The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

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