Income Tax Provision - Effective tax rate based upon total income tax provision (benefit) from continuing operations (Details 2)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Federal statutory rate	34.00%	34.00%
Business credits	(9.00%)	1.80%
ESOP dividend	(2.90%)	(2.80%)
Domestic production activities deduction	(2.20%)	(1.80%)
Other	0.30%
State income taxes (less federal effect)	0.80%	0.10%
Effective tax rate	21.00%	31.30%