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Securities (Details 4) (USD $) In Thousands, unless otherwise specified | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2014 Securities | Dec. 31, 2013 Securities
Unrealized Gain Loss On Investments [Line Items] |  |
Estimated Fair Value, Less than 12 months | $ 17,664 | $ 108,998
Unrealized Losses, Less than 12 months | (66) | (4,130)
Estimated Fair Value, 12 months or longer | 55,410 | 3,446
Unrealized Losses, 12 months or longer | (3,996) | (3,379)
Estimated Fair Value, Total | 73,074 | 112,444
Unrealized Losses, Total | (4,062) | (7,509)
Number of securities, Unrealized Losses, Less than 12 months | 16 | 117
Number of securities, Unrealized Losses, 12 months or longer | 55 | 8
Number of securities, Unrealized Losses, Total | 71 | 125
US Government-sponsored Enterprises Debt Securities [Member] |  |
Unrealized Gain Loss On Investments [Line Items] |  |
Estimated Fair Value, Less than 12 months | 995 | 18,360
Unrealized Losses, Less than 12 months | (5) | (637)
Estimated Fair Value, 12 months or longer | 11,318 | 0
Unrealized Losses, 12 months or longer | (182) | 0
Estimated Fair Value, Total | 12,313 | 18,360
Unrealized Losses, Total | (187) | (637)
Collateralized Mortgage Backed Securities [Member] |  |
Unrealized Gain Loss On Investments [Line Items] |  |
Estimated Fair Value, Less than 12 months | 14,036 | 62,748
Unrealized Losses, Less than 12 months | (48) | (1,922)
Estimated Fair Value, 12 months or longer | 32,747 | 0
Unrealized Losses, 12 months or longer | (764) | 0
Estimated Fair Value, Total | 46,783 | 62,748
Unrealized Losses, Total | (812) | (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 | 2,444 | 1,968
Unrealized Losses, 12 months or longer | (2,764) | (3,240)
Estimated Fair Value, Total | 2,444 | 1,968
Unrealized Losses, Total | (2,764) | (3,240)
Municipal Bonds [Member] |  |
Unrealized Gain Loss On Investments [Line Items] |  |
Estimated Fair Value, Less than 12 months | 2,633 | 27,890
Unrealized Losses, Less than 12 months | (13) | (1,571)
Estimated Fair Value, 12 months or longer | 8,901 | 1,478
Unrealized Losses, 12 months or longer | (286) | (139)
Estimated Fair Value, Total | 11,534 | 29,368
Unrealized Losses, Total | $ (299) | $ (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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