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Securities (Reconciliation of fair value of securities) (Details) - USD ($) $ in Thousands | Jun. 30, 2016 | Dec. 31, 2015
--- | --- | ---
Reconciliation of fair value of securities |  |
Available for sale Securities, Amortized Cost | $ 378,022 | $ 365,140
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax | 12,996 | 5,252
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax | (1,194) | (3,143)
Available-for-sale Securities | 389,824 | 367,249
Held to maturity Securities, Amortized Cost | 438,656 | 477,507
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain | 13,710 | 5,177
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss | (446) | (3,935)
Held to Maturity, Fair Value, Total | 451,920 | 478,749
Amortized Cost | 816,678 | 842,647
Gross Unrealized Gains | 26,706 | 10,429
Unrealized Losses Other | (1,640) | (7,078)
Fair Value | 841,744 | 845,998
U. S. Government Agency Securities [Member] |  |
Reconciliation of fair value of securities |  |
Available for sale Securities, Amortized Cost | 26,988 | 29,958
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax | 953 | 261
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax | 0 | (4)
Available-for-sale Securities | 27,941 | 30,215
U.S. Treasury securities |  |
Reconciliation of fair value of securities |  |
Held to maturity Securities, Amortized Cost | 1,008 | 1,009
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain | 92 | 55
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss | 0 | 0
Held to Maturity, Fair Value, Total | 1,100 | 1,064
Agency mortgage-backed securities |  |
Reconciliation of fair value of securities |  |
Available for sale Securities, Amortized Cost | 186,221 | 207,693
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax | 8,230 | 4,227
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax | (3) | (983)
Available-for-sale Securities | 194,448 | 210,937
Held to maturity Securities, Amortized Cost | 155,468 | 167,134
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain | 6,974 | 3,460
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss | 0 | (219)
Held to Maturity, Fair Value, Total | 162,442 | 170,375
Agency Collateralized Mortgage Obligations [Member] |  |
Reconciliation of fair value of securities |  |
Available for sale Securities, Amortized Cost | 102,381 | 64,157
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax | 1,712 | 179
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax | (123) | (752)
Available-for-sale Securities | 103,970 | 63,584
Held to maturity Securities, Amortized Cost | 247,313 | 267,348
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain | 5,316 | 1,195
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss | (446) | (3,652)
Held to Maturity, Fair Value, Total | 252,183 | 264,891
State, County, and Municipal Securities [Member] |  |
Reconciliation of fair value of securities |  |
Available for sale Securities, Amortized Cost | 4,267 | 4,543
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax | 129 | 116
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax | 0 | 0
Available-for-sale Securities | 4,396 | 4,659
Held to maturity Securities, Amortized Cost | 0 | 225
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain | 0 | 2
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss | 0 | 0
Held to Maturity, Fair Value, Total | 0 | 227
Single Issuer Trust Preferred Securities Issued by Banks and Insurers [Member] |  |
Reconciliation of fair value of securities |  |
Available for sale Securities, Amortized Cost | 2,337 | 2,865
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax | 5 | 8
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax | (78) | (81)
Available-for-sale Securities | 2,264 | 2,792
Held to maturity Securities, Amortized Cost | 1,500 | 1,500
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain | 46 | 22
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss | 0 | 0
Held to Maturity, Fair Value, Total | 1,546 | 1,522
Pooled trust preferred securities issued by banks and insurers |  |
Reconciliation of fair value of securities |  |
Available for sale Securities, Amortized Cost | 2,209 | 2,217
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax | 0 | 0
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax | (703) | (645)
Available-for-sale Securities | 1,506 | 1,572
Small Business Administration Pooled Securities [Member] |  |
Reconciliation of fair value of securities |  |
Available for sale Securities, Amortized Cost | 39,252 | 40,472
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax | 1,212 | 87
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax | 0 | (110)
Available-for-sale Securities | 40,464 | 40,449
Held to maturity Securities, Amortized Cost | 33,367 | 35,291
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain | 1,282 | 437
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss | 0 | (64)
Held to Maturity, Fair Value, Total | 34,649 | 35,664
Equity securities |  |
Reconciliation of fair value of securities |  |
Available for sale Securities, Amortized Cost | 14,367 | 13,235
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax | 755 | 374
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax | (287) | (568)
Available-for-sale Securities | 14,835 | 13,041
Corporate debt securities |  |
Reconciliation of fair value of securities |  |
Held to maturity Securities, Amortized Cost | 0 | 5,000
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain | 0 | 6
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss | 0 | 0
Held to Maturity, Fair Value, Total | $ 0 | $ 5,006

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