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Securities - Unrealized Loss Positions (Details) | Dec. 31, 2018 USD ($) security | Dec. 31, 2017 USD ($) security
--- | --- | ---
Securities Available-for-Sale, Number of Securities |  |
Less than 12 months in an unrealized loss position | 16 | 26
Greater than 12 months in an unrealized loss position | 61 | 22
Total | security | 77 | 48
Securities Available-for-Sale, Unrealized Losses |  |
Less than 12 months in an unrealized loss position | $ 1,256,000 | $ 1,457,000
Greater than 12 months in an unrealized loss position | 7,592,000 | 3,216,000
Total | 8,848,000 | 4,673,000
Securities Available-for-Sale, Fair Value |  |
Less than 12 months in an unrealized loss position | 86,856,000 | 102,830,000
Greater than 12 months in an unrealized loss position | 197,238,000 | 108,651,000
Total | $ 284,094,000 | $ 211,481,000
U.S. Treasury |  |
Securities Available-for-Sale, Number of Securities |  |
Less than 12 months in an unrealized loss position |  | 1
Greater than 12 months in an unrealized loss position | security | 1 |
Total | security | 1 | 1
Securities Available-for-Sale, Unrealized Losses |  |
Less than 12 months in an unrealized loss position |  | $ 55,000
Greater than 12 months in an unrealized loss position | $ 83,000 |
Total | 83,000 | 55,000
Securities Available-for-Sale, Fair Value |  |
Less than 12 months in an unrealized loss position |  | 3,947,000
Greater than 12 months in an unrealized loss position | 3,923,000 |
Total | $ 3,923,000 | $ 3,947,000
U.S. government agencies |  |
Securities Available-for-Sale, Number of Securities |  |
Less than 12 months in an unrealized loss position | 3 | 2
Greater than 12 months in an unrealized loss position | security | 1 |
Total | security | 4 | 2
Securities Available-for-Sale, Unrealized Losses |  |
Less than 12 months in an unrealized loss position | $ 100,000 | $ 9,000
Greater than 12 months in an unrealized loss position | 61,000 |
Total | 161,000 | 9,000
Securities Available-for-Sale, Fair Value |  |
Less than 12 months in an unrealized loss position | 7,385,000 | 6,550,000
Greater than 12 months in an unrealized loss position | 3,566,000 |
Total | $ 10,951,000 | $ 6,550,000
U.S. government agency mortgage-backed |  |
Securities Available-for-Sale, Number of Securities |  |
Less than 12 months in an unrealized loss position |  | 4
Greater than 12 months in an unrealized loss position | 11 | 5
Total | security | 11 | 9
Securities Available-for-Sale, Unrealized Losses |  |
Less than 12 months in an unrealized loss position |  | $ 24,000
Greater than 12 months in an unrealized loss position | $ 377,000 | 141,000
Total | 377,000 | 165,000
Securities Available-for-Sale, Fair Value |  |
Less than 12 months in an unrealized loss position |  | 5,501,000
Greater than 12 months in an unrealized loss position | 11,439,000 | 4,843,000
Total | $ 11,439,000 | $ 10,344,000
States and political subdivisions |  |
Securities Available-for-Sale, Number of Securities |  |
Less than 12 months in an unrealized loss position | 4 | 13
Greater than 12 months in an unrealized loss position | 33 | 1
Total | security | 37 | 14
Securities Available-for-Sale, Unrealized Losses |  |
Less than 12 months in an unrealized loss position | $ 126,000 | $ 1,237,000
Greater than 12 months in an unrealized loss position | 4,835,000 | 27,000
Total | 4,961,000 | 1,264,000
Securities Available-for-Sale, Fair Value |  |
Less than 12 months in an unrealized loss position | 17,713,000 | 45,985,000
Greater than 12 months in an unrealized loss position | 110,326,000 | 1,512,000
Total | $ 128,039,000 | $ 47,497,000
Corporate bonds |  |
Securities Available-for-Sale, Number of Securities |  |
Greater than 12 months in an unrealized loss position |  | 1
Total | security |  | 1
Securities Available-for-Sale, Unrealized Losses |  |
Greater than 12 months in an unrealized loss position |  | $ 11,000
Total |  | 11,000
Securities Available-for-Sale, Fair Value |  |
Greater than 12 months in an unrealized loss position |  | 332,000
Total |  | $ 332,000
Collateralized mortgage obligations |  |
Securities Available-for-Sale, Number of Securities |  |
Less than 12 months in an unrealized loss position | 2 | 3
Greater than 12 months in an unrealized loss position | 10 | 8
Total | security | 12 | 11
Securities Available-for-Sale, Unrealized Losses |  |
Less than 12 months in an unrealized loss position | $ 309,000 | $ 31,000
Greater than 12 months in an unrealized loss position | 1,835,000 | 1,124,000
Total | 2,144,000 | 1,155,000
Securities Available-for-Sale, Fair Value |  |
Less than 12 months in an unrealized loss position | 15,211,000 | 11,534,000
Greater than 12 months in an unrealized loss position | 43,687,000 | 40,219,000
Total | $ 58,898,000 | $ 51,753,000
Asset-backed securities |  |
Securities Available-for-Sale, Number of Securities |  |
Greater than 12 months in an unrealized loss position | 4 | 7
Total | security | 4 | 7
Securities Available-for-Sale, Unrealized Losses |  |
Greater than 12 months in an unrealized loss position | $ 225,000 | $ 1,913,000
Total | 225,000 | 1,913,000
Securities Available-for-Sale, Fair Value |  |
Greater than 12 months in an unrealized loss position | 16,473,000 | 61,745,000
Total | $ 16,473,000 | $ 61,745,000
Collateralized loan obligations |  |
Securities Available-for-Sale, Number of Securities |  |
Less than 12 months in an unrealized loss position | 7 | 3
Greater than 12 months in an unrealized loss position | security | 1 |
Total | security | 8 | 3
Securities Available-for-Sale, Unrealized Losses |  |
Less than 12 months in an unrealized loss position | $ 721,000 | $ 101,000
Greater than 12 months in an unrealized loss position | 176,000 |
Total | 897,000 | 101,000
Securities Available-for-Sale, Fair Value |  |
Less than 12 months in an unrealized loss position | 46,547,000 | 29,313,000
Greater than 12 months in an unrealized loss position | 7,824,000 |
Total | $ 54,371,000 | $ 29,313,000

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