CT Legacy Partners (Details 7) (USD $) In Thousands, unless otherwise specified				3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2013 CT Legacy Partners	Mar. 31, 2013 CT Legacy Partners Interest Rate Swaps		Mar. 31, 2013 CT Legacy Partners Interest Rate Swaps JPMorgan Chase		Mar. 31, 2013 CT Legacy Partners Interest Rate Swaps JPMorgan Chase 1		Mar. 31, 2013 CT Legacy Partners Interest Rate Swaps JPMorgan Chase 2		Mar. 31, 2013 CT Legacy Partners Interest Rate Swaps JPMorgan Chase 3		Mar. 31, 2013 CT Legacy Partners Interest Rate Swaps JPMorgan Chase 4
Derivative Financial Instruments
Notional Amount				$ 60,723		$ 17,317		$ 17,057		$ 16,184		$ 7,062		$ 3,103
Interest Rate				5.17%	[1]	5.14%	[1]	5.52%	[1]	4.83%	[1]	5.11%	[1]	5.45%	[1]
Fair Value	(6,119)		6,119	(6,119)		(990)		(2,672)		(1,146)		(921)		(390)
Derivative Counterparty						JPMorgan Chase		JPMorgan Chase		JPMorgan Chase		JPMorgan Chase		JPMorgan Chase
Derivative Maturity				Dec. 31, 2015		Dec. 31, 2014		Dec. 31, 2018		Dec. 31, 2014		Dec. 31, 2016		Dec. 31, 2015
Net interest rate swap payments				$ 755

[1] Represents the gross fixed interest rate CT Legacy Partners pays to its counterparties under these derivative instruments. CT Legacy Partners receives an amount of interest indexed to one-month LIBOR on all of its interest rate swaps.