Discontinued Operations (Details) (USD $)	3 Months Ended	12 Months Ended
	Jun. 30, 2012 Kodiak	Dec. 31, 2012 Financing, Homebuilding, Kodiak and other	Dec. 31, 2010 Financing, Homebuilding, Kodiak and other
Discontinued operations
Cash proceeds received	$ 9,500,000
Gain from discontinued operations	5,200,000	5,180,000	(3,628,000)
Summary of operating results included in loss from discontinued operations
Sales and revenues			4,293,000
Other income, net		8,282,000
Income (loss) from discontinued operations before income tax expense (benefit)		8,282,000	(5,856,000)
Income tax expense (benefit)		3,102,000	(2,228,000)
Income (loss) from discontinued operations	$ 5,200,000	$ 5,180,000	$ (3,628,000)