Other Borrowings - Junior Subordinated Debt - (Details 3) - Junior Subordinated Debt	12 Months Ended
	Dec. 31, 2015 USD ($)
Trusts
Junior Subordinated Debt
Junior subordinated debt securities	$ 54,600,000
Maximum allowed percentage of ownership interest to total Tier 1 capital	25.00%
SAVB Capital Trust I and II and FFCH Capital Trust I
Junior Subordinated Debt
Liability for the junior subordinated debt securities recorded on SAVB Capital Trust I and II	$ 54,200,000
Discount	426,000
Amount paid to holders, if the entity call backs the subordinated debt securities	$ 54,600,000
Discount amortization period	5 years