Income Taxes (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Net deferred tax assets
Net deferred tax assets	$ 18,741,000		$ 18,741,000		$ 23,326,000
Low income housing investment losses	(353,000)	320,000		930,000
Effective tax rate (as a percent)	40.40%	32.00%	36.10%	30.10%
Estimated low income housing investment losses under equity method of accounting	261,000		614,000
Estimated income tax expense under equity method of accounting	$ 1,715,000		$ 4,938,000
Estimated effective tax rate under equity method of accounting (as a percent)	33.40%		33.50%