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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

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