Investment Securities (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value	$ 78,687	$ 62,299
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Unrealized Losses	733	796
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value	18,438	19,121
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses	422	521
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	97,125	81,420
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses	1,155	1,317
US Treasury Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value	5,305
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Unrealized Losses	4
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	5,305
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses	4
US Government Corporations and Agencies Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value	38,491	33,004
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Unrealized Losses	373	372
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value	0	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses	0	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	38,491	33,004
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses	373	372
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value	2,680	2,753
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Unrealized Losses	211	222
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value	0	0
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses	0	0
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value	2,680	2,753
Held-to-maturity Securities, Continuous Unrealized Loss Position, Aggregate Loss, Unrealized Losses	211	222
Collateralized Mortgage Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value	34,281	28,694
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Unrealized Losses	352	416
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value	18,438	19,121
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses	422	521
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	52,719	47,815
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses	774	937
Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value	610	601
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Unrealized Losses	4	8
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value	0	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Unrealized Losses	0	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	610	601
Available-for-sale Securities, Continuous Unrealized Loss Position, Unrealized Losses	$ 4	$ 8