Investment Securities (Details 4) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014
Securities Available for Sale, Gross Unrealized Losses
Less Than Twelve Months	$ 268	$ 367	$ 1,194
Twelve Months or More	1,630	3,274	4,700
Securities Available for Sale, Fair Value
Less Than Twelve Months	52,568	85,848	168,332
Twelve Months or More	62,759	148,565	155,580
Government-sponsored entities debt
Securities Available for Sale, Gross Unrealized Losses
Less Than Twelve Months	77	98	71
Twelve Months or More	243	1,616	3,035
Securities Available for Sale, Fair Value
Less Than Twelve Months	14,915	22,896	18,422
Twelve Months or More	32,732	82,798	81,384
State and municipal obligations
Securities Available for Sale, Gross Unrealized Losses
Less Than Twelve Months	12	3	1
Twelve Months or More	149	192	308
Securities Available for Sale, Fair Value
Less Than Twelve Months	5,074	1,444	831
Twelve Months or More	4,221	8,269	11,558
Mortgage-backed securities.
Securities Available for Sale, Gross Unrealized Losses
Less Than Twelve Months	179	266	811
Twelve Months or More	259	774	1,357
Securities Available for Sale, Fair Value
Less Than Twelve Months	32,579	61,508	147,160
Twelve Months or More	24,555	55,960	62,638
Corporate Stocks
Securities Available for Sale, Gross Unrealized Losses
Less Than Twelve Months			311
Twelve Months or More	979	692
Securities Available for Sale, Fair Value
Less Than Twelve Months			$ 1,919
Twelve Months or More	$ 1,251	$ 1,538