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The cash outflow associated with the investment in or advances to an entity in which the reporting entity shares control of the entity with another party or group.

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Investments (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Investments
Investment in joint ventures at beginning of the period			$ 21,831
Capital contribution			6,145	3,830
Earnings (losses) from joint ventures	(289)	352	3,186	948
Transfer to consolidated subsidiary			(13,090)
Investment in joint ventures at end of the period	18,072		18,072
WOLF
Investments
Investment in joint ventures at beginning of the period			10,065
Earnings (losses) from joint ventures			3,025
Transfer to consolidated subsidiary			(13,090)
WMES
Investments
Investment in joint ventures at beginning of the period			11,766
Capital contribution			6,145
Earnings (losses) from joint ventures			161
Investment in joint ventures at end of the period	$ 18,072		$ 18,072