Securities (Narrative) (Details) - USD ($)	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2015	Dec. 31, 2014
Securities [Abstract]
Collateralized mortage obligations, amortized cost		$ 56,000	$ 108,000
Collateralized mortage obligations, fair value		57,000	111,000
Investment securities, pledged as collateral for public deposits		135,652,000	100,113,000
Net realized gains of investment securities	$ 786,000
Sales of investment securities	$ 47,473,000
Federal Home Loan Bank stock and Federal Reserve Bank stock, cost		15,468,000	6,016,000
Federal Home Loan Bank Stock, cost		8,421,000	$ 6,016,000
Federal Reserve Bank, cost		$ 7,047,000