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v3.3.1.900

Securities, Securities in Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Available-for-sale, amortized cost [Abstract] |  |
Less Than 12 Months | $ 270,346 | $ 115,100
12 Months or More | 107,867 | 172,906
Total | 378,213 | 288,006
Available-for-sale, gross unrealized losses [Abstract] |  |
Less Than 12 Months | (1,741) | (663)
12 Months or More | (2,286) | (4,904)
Total | (4,027) | (5,567)
Available-for-sale, fair value [Abstract] |  |
Less Than 12 Months | 268,605 | 114,437
12 Months or More | 105,581 | 168,002
Total | 374,186 | 282,439
Held-to-maturity, amortized cost [Abstract] |  |
12 months or more | 480 | 480
Held-to-maturity, gross unrealized losses [Abstract] |  |
12 months or more | (12) | (19)
Held-to-maturity, fair value [Abstract] |  |
12 months or more | 468 | 461
U.S. Treasury and Government Agencies [Member] |  |
Available-for-sale, amortized cost [Abstract] |  |
Less Than 12 Months | 142,147 | 31,185
12 Months or More | 54,772 | 65,209
Total | 196,919 | 96,394
Available-for-sale, gross unrealized losses [Abstract] |  |
Less Than 12 Months | (487) | (87)
12 Months or More | (864) | (2,053)
Total | (1,351) | (2,140)
Available-for-sale, fair value [Abstract] |  |
Less Than 12 Months | 141,660 | 31,098
12 Months or More | 53,908 | 63,156
Total | 195,568 | 94,254
State and Political Subdivisions [Member] |  |
Available-for-sale, amortized cost [Abstract] |  |
Less Than 12 Months | 11,190 | 8,800
12 Months or More | 3,187 | 21,308
Total | 14,377 | 30,108
Available-for-sale, gross unrealized losses [Abstract] |  |
Less Than 12 Months | (106) | (23)
12 Months or More | (51) | (443)
Total | (157) | (466)
Available-for-sale, fair value [Abstract] |  |
Less Than 12 Months | 11,084 | 8,777
12 Months or More | 3,136 | 20,865
Total | 14,220 | 29,642
U.S. Government Sponsored Agency Mortgage-backed Securities [Member] |  |
Available-for-sale, amortized cost [Abstract] |  |
Less Than 12 Months | 92,009 | 50,115
12 Months or More | 49,908 | 86,389
Total | 141,917 | 136,504
Available-for-sale, gross unrealized losses [Abstract] |  |
Less Than 12 Months | (899) | (442)
12 Months or More | (1,371) | (2,408)
Total | (2,270) | (2,850)
Available-for-sale, fair value [Abstract] |  |
Less Than 12 Months | 91,110 | 49,673
12 Months or More | 48,537 | 83,981
Total | 139,647 | 133,654
Debt Securities [Member] |  |
Available-for-sale, amortized cost [Abstract] |  |
Less Than 12 Months | 245,346 | 90,100
12 Months or More | 107,867 | 172,906
Total | 353,213 | 263,006
Available-for-sale, gross unrealized losses [Abstract] |  |
Less Than 12 Months | (1,492) | (552)
12 Months or More | (2,286) | (4,904)
Total | (3,778) | (5,456)
Available-for-sale, fair value [Abstract] |  |
Less Than 12 Months | 243,854 | 89,548
12 Months or More | 105,581 | 168,002
Total | 349,435 | 257,550
CRA Investments Funds [Member] |  |
Available-for-sale, amortized cost [Abstract] |  |
Less Than 12 Months | 25,000 | 25,000
12 Months or More | 0 | 0
Total | 25,000 | 25,000
Available-for-sale, gross unrealized losses [Abstract] |  |
Less Than 12 Months | (249) | (111)
12 Months or More | 0 | 0
Total | (249) | (111)
Available-for-sale, fair value [Abstract] |  |
Less Than 12 Months | 24,751 | 24,889
12 Months or More | 0 | 0
Total | 24,751 | 24,889
U.S. Treasury and Government Agencies [Member] |  |
Held-to-maturity, amortized cost [Abstract] |  |
12 months or more | 480 | 480
Held-to-maturity, gross unrealized losses [Abstract] |  |
12 months or more | (12) | (19)
Held-to-maturity, fair value [Abstract] |  |
12 months or more | $ 468 | $ 461

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