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Securities (Details 4) (USD $) In Thousands, unless otherwise specified | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2014 Securities | Dec. 31, 2013 Securities
Unrealized Gain Loss On Investments [Line Items] |  |
Estimated Fair Value, Less than 12 months | $ 18,041 | $ 108,998
Unrealized Losses, Less than 12 months | (127) | (4,130)
Estimated Fair Value, 12 months or longer | 50,842 | 3,446
Unrealized Losses, 12 months or longer | (3,837) | (3,379)
Estimated Fair Value, Total | 68,883 | 112,444
Unrealized Losses, Total | (3,964) | (7,509)
Number of securities, Unrealized Losses, Less than 12 months | 15 | 117
Number of securities, Unrealized Losses, 12 months or longer | 51 | 8
Number of securities, Unrealized Losses, Total | 66 | 125
US Government-sponsored Enterprises Debt Securities [Member] |  |
Unrealized Gain Loss On Investments [Line Items] |  |
Estimated Fair Value, Less than 12 months | 990 | 18,360
Unrealized Losses, Less than 12 months | (10) | (637)
Estimated Fair Value, 12 months or longer | 11,314 | 0
Unrealized Losses, 12 months or longer | (186) | 0
Estimated Fair Value, Total | 12,304 | 18,360
Unrealized Losses, Total | (196) | (637)
Collateralized Mortgage Backed Securities [Member] |  |
Unrealized Gain Loss On Investments [Line Items] |  |
Estimated Fair Value, Less than 12 months | 15,829 | 62,748
Unrealized Losses, Less than 12 months | (113) | (1,922)
Estimated Fair Value, 12 months or longer | 29,049 | 0
Unrealized Losses, 12 months or longer | (711) | 0
Estimated Fair Value, Total | 44,878 | 62,748
Unrealized Losses, Total | (824) | (1,922)
Collateralized Debt Obligations [Member] |  |
Unrealized Gain Loss On Investments [Line Items] |  |
Estimated Fair Value, Less than 12 months | 0 | 0
Unrealized Losses, Less than 12 months | 0 | 0
Estimated Fair Value, 12 months or longer | 2,431 | 1,968
Unrealized Losses, 12 months or longer | (2,777) | (3,240)
Estimated Fair Value, Total | 2,431 | 1,968
Unrealized Losses, Total | (2,777) | (3,240)
Municipal Bonds [Member] |  |
Unrealized Gain Loss On Investments [Line Items] |  |
Estimated Fair Value, Less than 12 months | 1,222 | 27,890
Unrealized Losses, Less than 12 months | (4) | (1,571)
Estimated Fair Value, 12 months or longer | 8,048 | 1,478
Unrealized Losses, 12 months or longer | (163) | (139)
Estimated Fair Value, Total | 9,270 | 29,368
Unrealized Losses, Total | $ (167) | $ (1,710)

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- Definition Amount of unrealized loss on securities classified as available-for-sale that have been in a loss position for twelve months or longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 + Details
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