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Securities - Unrealized Loss Positions (Details) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2015 USD ($) security | Dec. 31, 2016 USD ($) security
Securities Available-for-Sale, Number of Securities |  |
Less than 12 months in an unrealized loss position | security | 26 | 44
Greater than 12 months in an unrealized loss position | security | 29 | 34
Total | security | 55 | 78
Securities Available-for-Sale, Unrealized Losses |  |
Less than 12 months in an unrealized loss position | $ 3,215 | $ 5,143
Greater than 12 months in an unrealized loss position | 11,821 | 9,463
Total | 15,036 | 14,606
Securities Available-for-Sale, Fair Value |  |
Less than 12 months in an unrealized loss position | 142,402 | 216,050
Greater than 12 months in an unrealized loss position | 245,409 | 213,060
Total | $ 387,811 | $ 429,110
Securities Held-to-Maturity, Number of Securities |  |
Less than 12 months in an unrealized loss position | security | 8 |
Greater than 12 months in an unrealized loss position | security | 2 |
Total | security | 10 |
Securities Held-to-Maturity, Unrealized Losses |  |
Less than 12 months in an unrealized loss position | $ 505 |
Greater than 12 months in an unrealized loss position | 460 |
Total | 965 |
Securities Held-to-Maturity, Fair Value |  |
Less than 12 months in an unrealized loss position | 40,307 |
Greater than 12 months in an unrealized loss position | 33,842 |
Total | $ 74,149 |
U.S. Treasury |  |
Securities Available-for-Sale, Number of Securities |  |
Greater than 12 months in an unrealized loss position | security | 1 |
Total | security | 1 |
Securities Available-for-Sale, Unrealized Losses |  |
Greater than 12 months in an unrealized loss position | $ 127 |
Total | 127 |
Securities Available-for-Sale, Fair Value |  |
Greater than 12 months in an unrealized loss position | 1,556 |
Total | $ 1,556 |
U.S. government agencies |  |
Securities Available-for-Sale, Number of Securities |  |
Less than 12 months in an unrealized loss position | security | 1 |
Total | security | 1 |
Securities Available-for-Sale, Unrealized Losses |  |
Less than 12 months in an unrealized loss position | $ 44 |
Total | 44 |
Securities Available-for-Sale, Fair Value |  |
Less than 12 months in an unrealized loss position | 1,996 |
Total | $ 1,996 |
U.S. government agency mortgage-backed |  |
Securities Available-for-Sale, Number of Securities |  |
Less than 12 months in an unrealized loss position | security |  | 11
Greater than 12 months in an unrealized loss position | security |  | 1
Total | security |  | 12
Securities Available-for-Sale, Unrealized Losses |  |
Less than 12 months in an unrealized loss position |  | $ 957
Greater than 12 months in an unrealized loss position |  | 20
Total |  | 977
Securities Available-for-Sale, Fair Value |  |
Less than 12 months in an unrealized loss position |  | 40,636
Greater than 12 months in an unrealized loss position |  | 898
Total |  | $ 41,534
States and political subdivisions |  |
Securities Available-for-Sale, Number of Securities |  |
Less than 12 months in an unrealized loss position | security | 2 | 12
Greater than 12 months in an unrealized loss position | security | 1 |
Total | security | 3 | 12
Securities Available-for-Sale, Unrealized Losses |  |
Less than 12 months in an unrealized loss position | $ 19 | $ 273
Greater than 12 months in an unrealized loss position | 81 |
Total | 100 | 273
Securities Available-for-Sale, Fair Value |  |
Less than 12 months in an unrealized loss position | 1,541 | 35,241
Greater than 12 months in an unrealized loss position | 1,713 |
Total | $ 3,254 | $ 35,241
Corporate bonds |  |
Securities Available-for-Sale, Number of Securities |  |
Less than 12 months in an unrealized loss position | security | 5 | 1
Greater than 12 months in an unrealized loss position | security | 3 | 2
Total | security | 8 | 3
Securities Available-for-Sale, Unrealized Losses |  |
Less than 12 months in an unrealized loss position | $ 292 | $ 183
Greater than 12 months in an unrealized loss position | 465 | 153
Total | 757 | 336
Securities Available-for-Sale, Fair Value |  |
Less than 12 months in an unrealized loss position | 14,866 | 4,817
Greater than 12 months in an unrealized loss position | 14,534 | 5,328
Total | $ 29,400 | $ 10,145
Collateralized mortgage obligations |  |
Securities Available-for-Sale, Number of Securities |  |
Less than 12 months in an unrealized loss position | security | 4 | 16
Greater than 12 months in an unrealized loss position | security | 7 | 7
Total | security | 11 | 23
Securities Available-for-Sale, Unrealized Losses |  |
Less than 12 months in an unrealized loss position | $ 334 | $ 3,402
Greater than 12 months in an unrealized loss position | 1,513 | 397
Total | 1,847 | 3,799
Securities Available-for-Sale, Fair Value |  |
Less than 12 months in an unrealized loss position | 16,218 | 117,752
Greater than 12 months in an unrealized loss position | 43,618 | 18,109
Total | $ 59,836 | $ 135,861
Securities Held-to-Maturity, Number of Securities |  |
Less than 12 months in an unrealized loss position | security | 8 |
Greater than 12 months in an unrealized loss position | security | 2 |
Total | security | 10 |
Securities Held-to-Maturity, Unrealized Losses |  |
Less than 12 months in an unrealized loss position | $ 505 |
Greater than 12 months in an unrealized loss position | 460 |
Total | 965 |
Securities Held-to-Maturity, Fair Value |  |
Less than 12 months in an unrealized loss position | 40,307 |
Greater than 12 months in an unrealized loss position | 33,842 |
Total | $ 74,149 |
Asset-backed securities |  |
Securities Available-for-Sale, Number of Securities |  |
Less than 12 months in an unrealized loss position | security | 9 | 4
Greater than 12 months in an unrealized loss position | security | 8 | 12
Total | security | 17 | 16
Securities Available-for-Sale, Unrealized Losses |  |
Less than 12 months in an unrealized loss position | $ 2,080 | $ 328
Greater than 12 months in an unrealized loss position | 7,958 | 7,997
Total | 10,038 | 8,325
Securities Available-for-Sale, Fair Value |  |
Less than 12 months in an unrealized loss position | 78,301 | 17,604
Greater than 12 months in an unrealized loss position | 121,217 | 107,112
Total | $ 199,518 | $ 124,716
Collateralized loan obligations |  |
Securities Available-for-Sale, Number of Securities |  |
Less than 12 months in an unrealized loss position | security | 5 |
Greater than 12 months in an unrealized loss position | security | 9 | 12
Total | security | 14 | 12
Securities Available-for-Sale, Unrealized Losses |  |
Less than 12 months in an unrealized loss position | $ 446 |
Greater than 12 months in an unrealized loss position | 1,677 | $ 896
Total | 2,123 | 896
Securities Available-for-Sale, Fair Value |  |
Less than 12 months in an unrealized loss position | 29,480 |
Greater than 12 months in an unrealized loss position | 62,771 | 81,613
Total | $ 92,251 | $ 81,613

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