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Investment Securities (Details) - Investments classified by maturity date - USD ($) $ in Thousands | Jun. 30, 2015 | Dec. 31, 2014
--- | --- | ---
Investment securities available-for-sale: |  |
Due in one year or less | $ 21,828 |
Due in one year or less | 22,070 |
Due after one year through five years | 34,670 |
Due after one year through five years | 36,039 |
Due after five years through ten years | 77,279 |
Due after five years through ten years | 80,288 |
Due after ten years | 53,423 |
Due after ten years | 53,874 |
Total | 258,057 | $ 281,461
Total | 264,098 |
Investment securities held-to-maturity: |  |
Due in one year or less | 4,982 |
Due in one year or less | 4,983 |
Due after one year through five years | 11,202 |
Due after one year through five years | 11,354 |
Due after five years through ten years | 73,367 |
Due after five years through ten years | 74,931 |
Due after ten years | 134,067 |
Due after ten years | 136,969 |
Total | 232,557 | 224,682
Total | 237,205 | 231,445
Total investment securities | 490,614 |
Total investment securities | 501,296 |
Residential Mortgage Backed Securities [Member] |  |
Investment securities available-for-sale: |  |
Investment Securities Available-for-Sale: Amortized Cost | 53,624 |
Investment Securities Available-for-Sale: Fair Value | 54,734 |
Total | 53,624 | 58,836
Investment securities held-to-maturity: |  |
Investment Securities Held-to-Maturity: Amoritzed Cost | 4,751 |
Investment Securities Held-to-Maturity: Fair Value | 4,725 |
Total | 4,725 | 5,983
Commercial Mortgage Backed Securities [Member] |  |
Investment securities available-for-sale: |  |
Investment Securities Available-for-Sale: Amortized Cost | 3,012 |
Investment Securities Available-for-Sale: Fair Value | 3,023 |
Total | 3,012 | 3,042
Investment securities held-to-maturity: |  |
Investment Securities Held-to-Maturity: Amoritzed Cost | 4,188 |
Investment Securities Held-to-Maturity: Fair Value | 4,243 |
Total | 4,243 | 4,316
Equity Securities [Member] |  |
Investment securities available-for-sale: |  |
Investment Securities Available-for-Sale: Amortized Cost | 376 |
Investment Securities Available-for-Sale: Fair Value | 327 |
Total | 376 | 376
Other Securities [Member] |  |
Investment securities available-for-sale: |  |
Investment Securities Available-for-Sale: Amortized Cost | 13,845 |
Investment Securities Available-for-Sale: Fair Value | 13,743 |
Total | $ 13,845 | $ 12,941

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