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Investments in Equity Method Affiliates (Summarized Data Of Equity Method Investees) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Investments in Equity Method Affiliates [Abstract]
Total Assets	$ 273,719		$ 273,719		$ 279,874
Liabilities	72,546		72,546		96,981
Equity attributable to the investees	201,113		201,113		182,277
Non-controlling interest	60		60		616
Liabilities & Equity	273,719		273,719		279,874
Net income / (loss)	8,590	5,767	(3,222)	(10,119)
Net income / (loss) attributable to the investees	$ 8,789	$ 5,730	$ (2,666)	$ (9,841)

The amount of assets reported by an equity method investment of the entity.

The amount of liabilities reported by an equity method investment of the entity.

The amount of liabilities and equity reported by an equity method investment of the entity.

Amount of equity attributable to noncontrolling interests of an equity method investment of the entity.

The amount of net income (loss) reported by an equity method investment of the entity.