Commitments and Contingencies (Details 3) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Commitments and Contingencies
Alleged tax deficiency including interest and penalties related to 2006 through 2008 tax years	$ 13,300,000
Number of subsidiaries to which alleged tax deficiencies are related	2
Liability or reserve recorded related to alleged tax deficiencies	0
Loans held-for-sale
Commitments and Contingencies
Commitments to extend credit - fixed rate	9,200,000	63,000,000
Adjustable Rate Loans
Commitments and Contingencies
Commitments to purchase or sell loans	8,521,000	18,309,000
Fixed Rate
Commitments and Contingencies
Commitments to purchase or sell loans	24,326,000	33,363,000
Home Equity - unused lines of credit
Commitments and Contingencies
Commitments to extend credit - adjustable rate	103,436,000	138,232,000
Consumer and commercial loans - unused lines of credit
Commitments and Contingencies
Commitments to extend credit - adjustable rate	74,534,000	59,335,000
Mortgage Loans
Commitments and Contingencies
Commitments to extend credit - adjustable rate	216,675,000	80,691,000
Commitments to extend credit - fixed rate	50,303,000	253,290,000
Commitments to purchase or sell loans	$ 19,114,000	$ 121,932,000