Repurchase Agreements and Other Borrowings (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Repurchase Agreements and Other Borrowings [Abstract]
Securities Sold under Agreements to Repurchase	$ 116,689	$ 128,842
Securities Sold under Agreements to Repurchase Increase (Decrease)	12,100
FHLB borrowings	20,000	20,000
Disclosure of Repurchase Agreements [Abstract]
Securities Sold under Agreements to Repurchase	116,689	128,842
FHLB Advances [Abstract]
FHLB borrowings	20,000	$ 20,000
FHLB advance, 10-Year Maturity [Member]
Repurchase Agreements and Other Borrowings [Abstract]
FHLB borrowings	5,000
FHLB Advances [Abstract]
FHLB borrowings	$ 5,000
Federal Home Loan Bank Advances, Original Maturity Term	10-year maturity
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Interest Rate	4.58%
FHLB advance, 6-Year Maturity [Member]
Repurchase Agreements and Other Borrowings [Abstract]
FHLB borrowings	$ 5,000
FHLB Advances [Abstract]
FHLB borrowings	$ 5,000
Federal Home Loan Bank Advances, Original Maturity Term	6-year maturity
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Interest Rate	2.30%
FHLB Advance, 7 Year Maturity [Member]
Repurchase Agreements and Other Borrowings [Abstract]
FHLB borrowings	$ 5,000
FHLB Advances [Abstract]
FHLB borrowings	$ 5,000
Federal Home Loan Bank Advances, Original Maturity Term	7-year maturity
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Interest Rate	2.55%
FHLB advance, 8-Year Maturity [Member]
Repurchase Agreements and Other Borrowings [Abstract]
FHLB borrowings	$ 5,000
FHLB Advances [Abstract]
FHLB borrowings	$ 5,000
Federal Home Loan Bank Advances, Original Maturity Term	8-year maturity
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Interest Rate	2.40%
U.S. Treasury securities and obligations of U.S. government corporations & agencies
Repurchase Agreements and Other Borrowings [Abstract]
Securities Sold under Agreements to Repurchase	$ 66,505
Disclosure of Repurchase Agreements [Abstract]
Securities Sold under Agreements to Repurchase	66,505
Mortgage-backed securities: GSE residential
Repurchase Agreements and Other Borrowings [Abstract]
Securities Sold under Agreements to Repurchase	50,184
Disclosure of Repurchase Agreements [Abstract]
Securities Sold under Agreements to Repurchase	$ 50,184