Investment Securities (Details 2) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Held to maturity securities:
Total temporarily impaired securities, Duration Unrealized Loss Position, Less Than Twelve Months, Fair Value	$ 6,154	$ 5,678
Total temporarily impaired securities, Duration of Unrealized Loss Position, Less Than 12 Months, Gross Unrealized Loss	(51)	(154)
Total temporarily impaired securities, Duration of Unrealized Loss Position, Twelve Months Or Longer, Fair Value	9,007	18,106
Total temporarily impaired securities, Duration of Unrealized Loss Position, Twelve Months or Longer, Gross Unrealized Loss	(171)	(318)
Total temporarily impaired securities, Duration of Unrealized Loss Position, Fair Value	15,161	23,784
Total temporarily impaired securities, Duration of Unrealized Loss Position, Gross Unrealized Loss	(222)	(472)
Federal Home Loan Mortgage Corporation Certificates and Obligations (Fhlmc) [Member]
Available-for-sale securities, Total, Fair Value	29
Available-for-sale securities, Total, Unrealized Loss	(1)
Held to maturity securities:
Held-to-maturity Securities, Duration of Unrealized Loss Position, Less than Twelve Months, Fair Value		18
Held-to-maturity Securities, Duration of Unrealized Loss Position, Less than 12 Months, Gross Unrealized Loss		(8)
Held-to-maturity Securities, Duration of Unrealized Loss Position, Twelve Months or Longer, Fair Value		0
Held-to-maturity Securities, Duration of Unrealized Loss Position, 12 Months or Longer, Gross Unrealized Loss		0
Held-to-maturity Securities, Duration of Unrealized Loss Position, Fair Value	20	18
Held-to-maturity Securities, Duration of Unrealized Loss Position, Gross Unrealized Loss	(1)	(8)
Total temporarily impaired securities, Duration of Unrealized Loss Position, Fair Value	9
Total temporarily impaired securities, Duration of Unrealized Loss Position, Gross Unrealized Loss	0
Collateralized Mortgage Obligations [Member]
Available-for-sale securities, Duration of Unrealized Loss Position, Less than 12 Month, Fair Value	0	4,466
Available-for-sale Securities, Duration of Unrealized Loss Position, Less than 12 Month, Gross Unrealized Loss	0	(138)
Available-for-sale securities, Duration of Unrealized Loss Position, 12 Month or Longer, Fair Value	8,574	14,633
Available-for-sale Securities, Duration of Unrealized Loss Position, 12 Month or Longer, Gross Unrealized Loss	(162)	(273)
Available-for-sale securities, Total, Fair Value	8,574	19,099
Available-for-sale securities, Total, Unrealized Loss	(162)	(411)
Corporate Bond Securities [Member]
Available-for-sale securities, Duration of Unrealized Loss Position, Less than 12 Month, Fair Value	984	0
Available-for-sale Securities, Duration of Unrealized Loss Position, Less than 12 Month, Gross Unrealized Loss	(16)	0
Available-for-sale securities, Duration of Unrealized Loss Position, 12 Month or Longer, Fair Value	0	994
Available-for-sale Securities, Duration of Unrealized Loss Position, 12 Month or Longer, Gross Unrealized Loss	0	(6)
Available-for-sale securities, Total, Fair Value	984	994
Available-for-sale securities, Total, Unrealized Loss	(16)	(6)
US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities, Duration of Unrealized Loss Position, Less than 12 Month, Fair Value	5,150	1,194
Available-for-sale Securities, Duration of Unrealized Loss Position, Less than 12 Month, Gross Unrealized Loss	(34)	(8)
Available-for-sale securities, Duration of Unrealized Loss Position, 12 Month or Longer, Fair Value	424	1,499
Available-for-sale Securities, Duration of Unrealized Loss Position, 12 Month or Longer, Gross Unrealized Loss	(9)	(19)
Available-for-sale securities, Total, Fair Value	5,574	2,693
Available-for-sale securities, Total, Unrealized Loss	(43)	(27)
Us Government Corporations and Agencies Securities [Member]
Available-for-sale securities, Duration of Unrealized Loss Position, Less than 12 Month, Fair Value	0	0
Available-for-sale Securities, Duration of Unrealized Loss Position, Less than 12 Month, Gross Unrealized Loss	0	0
Available-for-sale securities, Duration of Unrealized Loss Position, 12 Month or Longer, Fair Value	0	980
Available-for-sale Securities, Duration of Unrealized Loss Position, 12 Month or Longer, Gross Unrealized Loss	0	(20)
Available-for-sale securities, Total, Fair Value	0	980
Available-for-sale securities, Total, Unrealized Loss	$ 0	$ (20)