Equity Investments in Unconsolidated Subsidiaries (Details) (USD $) In Thousands, unless otherwise specified			3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2013 CTOPI Carried Interest
Beginning Balance	$ 20,046	$ 13,306	$ 13,306	[1]
Incentive income allocation			6,740	[1],[2]
Ending Balance	$ 20,046	$ 13,306	$ 20,046	[1]

[1] The allocation of carried interest from CTOPI is net of a $1.4 million advance distribution of incentive compensation to satisfy our 2012 income tax obligation related to the allocation of taxable income in respect of our carried interest in CTOPI.

[2] We have deferred the recognition of incentive income allocated to us from CTOPI in respect of our carried interest in CTOPI, and recorded an offsetting liability as a component of accounts payable and other liabilities on our consolidated balance sheet.