Summary of Significant Accounting Policies (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Continuing operations:
Amortization of deferred financing fees	$ 758	$ 943
Discontinued operations:
Amortization of deferred financing fees	2	24
Total amortization and write-off of deferred financing fees	$ 760	$ 967