Investment in Unconsolidated Joint Ventures Investment in Unconsolidated Joint Ventures (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Investment in Unconsolidated LLCs [Abstract]
Maximum exposure related to investments in unconsolidated joint ventures or similar arrangements	$ 37,766
Investment in unconsolidated joint ventures	35,266	11,732
Notes Receivable, Related Parties	2,500
Capitalized interest and other costs included in investment in Unconsolidated Joint Ventures	806	806
Equity in Income (loss) from unconsolidated joint ventures	$ 347	$ (12)	$ (22)