Income Taxes Components of Income Tax Provision (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Current:
Federal	$ (371)	$ (440)	$ 0
State and local	(1,157)	(1,080)	(1,072)
NOL utilized	401	566	0
Deferred:
Federal	141	1,399	(418)
State and local	45	400	(53)
Benefit (provision) for income taxes	$ (941)	$ 845	$ (1,543)