Income Tax (Tables) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
Current tax provision	$ 1,742	$ 1,772	$ 1,516
Deferred tax (benefit) expense	(8,384)	(4,540)	(7,538)
Income tax provision on continuing operations	(6,642)	(2,768)	(6,021)
Income Tax Expense (Benefit), Continuing Operations [Abstract]
Federal income tax on taxable corporation at statutory rate	(6,692)	(3,071)	(6,185)
State income taxes, net	(396)	(182)	(366)
Non-deductible expenses	258	153	156
Other	188	332	374
Income tax provision	$ (6,642)	$ (2,768)	$ (6,021)