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Investments (Unrealized Gain (Loss) on Investments) (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2015 | Dec. 31, 2014
Schedule of Investments [Line Items] |  |
Amortized Cost | $ 210,059 | $ 231,745
Gross Unrealized Gains | 5,028 | 3,344
Gross Unrealized Losses | 9,861 | 13,972
Investment securities - available-for-sale (at fair value) | 205,226 | 221,117
OTTI in AOCI | 1,460 | 6,143
Held-to-maturity amortized cost | 107,816 | 109,449
Held-to-maturity Gross Unrealized Gains | 895 | 1,444
Held-to-maturity gross unrealized losses | 294 | 122
Investment securities - HTM | 108,417 | 110,771
Held-to-maturity OTTI in AOCI | 0 | 0
U.S. Treasury [Member] |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 10,059 | 29,607
Gross Unrealized Gains | 16 | 0
Gross Unrealized Losses | 0 | 11
Investment securities - available-for-sale (at fair value) | 10,075 | 29,596
OTTI in AOCI | 0 | 0
US government agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 44,056 | 39,077
Gross Unrealized Gains | 182 | 117
Gross Unrealized Losses | 143 | 253
Investment securities - available-for-sale (at fair value) | 44,095 | 38,941
OTTI in AOCI | 0 | 0
Held-to-maturity amortized cost | 24,611 | 24,520
Held-to-maturity Gross Unrealized Gains | 306 | 514
Held-to-maturity gross unrealized losses | 33 | 0
Investment securities - HTM | 24,884 | 25,034
Held-to-maturity OTTI in AOCI | 0 | 0
Residential mortgage-backed agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 20,073 | 45,175
Gross Unrealized Gains | 158 | 510
Gross Unrealized Losses | 268 | 412
Investment securities - available-for-sale (at fair value) | 19,963 | 45,273
OTTI in AOCI | 0 | 0
Held-to-maturity amortized cost | 55,616 | 58,400
Held-to-maturity Gross Unrealized Gains | 195 | 613
Held-to-maturity gross unrealized losses | 121 | 5
Investment securities - HTM | 55,690 | 59,008
Held-to-maturity OTTI in AOCI | 0 | 0
Commercial mortgage-backed agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 42,795 | 26,007
Gross Unrealized Gains | 171 | 53
Gross Unrealized Losses | 100 | 103
Investment securities - available-for-sale (at fair value) | 42,866 | 25,957
OTTI in AOCI | 0 | 0
Held-to-maturity amortized cost | 18,215 | 16,425
Held-to-maturity Gross Unrealized Gains | 287 | 312
Held-to-maturity gross unrealized losses | 0 | 0
Investment securities - HTM | 18,502 | 16,737
Held-to-maturity OTTI in AOCI | 0 | 0
Collateralized mortgage obligations [Member] |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 13,170 | 8,611
Gross Unrealized Gains | 100 | 96
Gross Unrealized Losses | 91 | 0
Investment securities - available-for-sale (at fair value) | 13,179 | 8,707
OTTI in AOCI | 0 | 0
Held-to-maturity amortized cost | 6,749 | 7,379
Held-to-maturity Gross Unrealized Gains | 0 | 5
Held-to-maturity gross unrealized losses | 140 | 0
Investment securities - HTM | 6,609 | 7,384
Held-to-maturity OTTI in AOCI | 0 | 0
Obligations of states and political subdivisions [Member] |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 44,343 | 46,151
Gross Unrealized Gains | 1,103 | 1,413
Gross Unrealized Losses | 444 | 260
Investment securities - available-for-sale (at fair value) | 45,002 | 47,304
OTTI in AOCI | 0 | 0
Held-to-maturity amortized cost | 2,625 | 2,725
Held-to-maturity Gross Unrealized Gains | 107 | 0
Held-to-maturity gross unrealized losses | 0 | 117
Investment securities - HTM | 2,732 | 2,608
Held-to-maturity OTTI in AOCI | 0 | 0
Collateralized debt obligations [Member] |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 35,563 | 37,117
Gross Unrealized Gains | 3,298 | 1,155
Gross Unrealized Losses | 8,815 | 12,933
Investment securities - available-for-sale (at fair value) | 30,046 | 25,339
OTTI in AOCI | $ 1,460 | $ 6,143

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- Definition Accumulated other comprehensive loss related to portion of other than temporary impairment (OTTI) due to factors other than credit losses on debt securities categorized as available-for-sale that an entity does not intend to sell and which it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis of the debt security. The amount represented by this item is net of tax, as applicable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aaa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669686-108580 + Details
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