Investment Securities Held-to-maturity Securities (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Schedule of Held-to-maturity Securities
Amortized Cost	$ 49,222,000	$ 45,275,000
Gross Unrealized Gains	128,000	1,890,000
Gross Unrealized Losses	(3,256,000)	(41,000)
Fair Value	46,094,000	47,124,000
Gross realized gains or losses	0	0	0
States and political subdivisions
Schedule of Held-to-maturity Securities
Amortized Cost	3,850,000	3,860,000
Gross Unrealized Gains	91,000	390,000
Gross Unrealized Losses	(12,000)	0
Fair Value	3,929,000	4,250,000
Residential mortgage-backed securities
Schedule of Held-to-maturity Securities
Amortized Cost	37,536,000	33,494,000
Gross Unrealized Gains	35,000	1,107,000
Gross Unrealized Losses	(3,041,000)	(41,000)
Fair Value	34,530,000	34,560,000
Commercial mortgage-backed securities
Schedule of Held-to-maturity Securities
Amortized Cost	7,836,000	7,921,000
Gross Unrealized Gains	2,000	393,000
Gross Unrealized Losses	(203,000)	0
Fair Value	$ 7,635,000	$ 8,314,000