Securities - Unrealized Loss Positions (Details) $ in Thousands | 6 Months Ended | 12 Months Ended |
Jun. 30, 2015USD ($)security | Dec. 31, 2014USD ($)security |
Securities Available-for-Sale, Number of Securities | | |
Less than 12 months in an unrealized loss position | security | 29 | 35 |
Greater than 12 months in an unrealized loss position | security | 18 | 8 |
Total | security | 47 | 43 |
Securities Available-for-Sale, Unrealized Losses | | |
Less than 12 months in an unrealized loss position | $ 3,116 | $ 4,764 |
Greater than 12 months in an unrealized loss position | 3,323 | 2,591 |
Total | 6,439 | 7,355 |
Securities Available-for-Sale, Fair Value | | |
Less than 12 months in an unrealized loss position | 205,184 | 241,626 |
Greater than 12 months in an unrealized loss position | 123,141 | 68,811 |
Total | $ 328,325 | $ 310,437 |
Securities Held-to-Maturity, Number of Securities | | |
Less than 12 months in an unrealized loss position | security | 6 | 7 |
Greater than 12 months in an unrealized loss position | security | 4 | 4 |
Total | security | 10 | 11 |
Securities Held-to-Maturity, Unrealized Losses | | |
Less than 12 months in an unrealized loss position | $ 189 | $ 457 |
Greater than 12 months in an unrealized loss position | 445 | 982 |
Total | 634 | 1,439 |
Securities Held-to-Maturity, Fair Value | | |
Less than 12 months in an unrealized loss position | 31,761 | 49,302 |
Greater than 12 months in an unrealized loss position | 46,400 | 46,283 |
Total | $ 78,161 | $ 95,585 |
U.S. Treasury | | |
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 | | $ 2 |
Total | | 2 |
Securities Available-for-Sale, Fair Value | | |
Less than 12 months in an unrealized loss position | | 1,527 |
Total | | $ 1,527 |
U.S. government agencies | | |
Securities Available-for-Sale, Number of Securities | | |
Greater than 12 months in an unrealized loss position | security | 1 | 1 |
Total | security | 1 | 1 |
Securities Available-for-Sale, Unrealized Losses | | |
Greater than 12 months in an unrealized loss position | $ 102 | $ 87 |
Total | 102 | 87 |
Securities Available-for-Sale, Fair Value | | |
Greater than 12 months in an unrealized loss position | 1,595 | 1,624 |
Total | $ 1,595 | $ 1,624 |
States and political subdivisions | | |
Securities Available-for-Sale, Number of Securities | | |
Less than 12 months in an unrealized loss position | security | 2 | 4 |
Greater than 12 months in an unrealized loss position | security | 1 | |
Total | security | 3 | 4 |
Securities Available-for-Sale, Unrealized Losses | | |
Less than 12 months in an unrealized loss position | $ 37 | $ 96 |
Greater than 12 months in an unrealized loss position | 135 | |
Total | 172 | 96 |
Securities Available-for-Sale, Fair Value | | |
Less than 12 months in an unrealized loss position | 1,841 | 4,896 |
Greater than 12 months in an unrealized loss position | 1,720 | |
Total | $ 3,561 | $ 4,896 |
Corporate bonds | | |
Securities Available-for-Sale, Number of Securities | | |
Less than 12 months in an unrealized loss position | security | 6 | 4 |
Greater than 12 months in an unrealized loss position | security | 3 | 1 |
Total | security | 9 | 5 |
Securities Available-for-Sale, Unrealized Losses | | |
Less than 12 months in an unrealized loss position | $ 311 | $ 486 |
Greater than 12 months in an unrealized loss position | 460 | 81 |
Total | 771 | 567 |
Securities Available-for-Sale, Fair Value | | |
Less than 12 months in an unrealized loss position | 16,064 | 15,246 |
Greater than 12 months in an unrealized loss position | 14,541 | 1,921 |
Total | $ 30,605 | $ 17,167 |
Collateralized mortgage obligations | | |
Securities Available-for-Sale, Number of Securities | | |
Less than 12 months in an unrealized loss position | security | 6 | 5 |
Greater than 12 months in an unrealized loss position | security | 4 | 3 |
Total | security | 10 | 8 |
Securities Available-for-Sale, Unrealized Losses | | |
Less than 12 months in an unrealized loss position | $ 335 | $ 900 |
Greater than 12 months in an unrealized loss position | 1,240 | 1,232 |
Total | 1,575 | 2,132 |
Securities Available-for-Sale, Fair Value | | |
Less than 12 months in an unrealized loss position | 44,131 | 38,284 |
Greater than 12 months in an unrealized loss position | 19,400 | 21,604 |
Total | $ 63,531 | $ 59,888 |
Securities Held-to-Maturity, Number of Securities | | |
Less than 12 months in an unrealized loss position | security | 6 | 7 |
Greater than 12 months in an unrealized loss position | security | 4 | 4 |
Total | security | 10 | 11 |
Securities Held-to-Maturity, Unrealized Losses | | |
Less than 12 months in an unrealized loss position | $ 189 | $ 457 |
Greater than 12 months in an unrealized loss position | 445 | 982 |
Total | 634 | 1,439 |
Securities Held-to-Maturity, Fair Value | | |
Less than 12 months in an unrealized loss position | 31,761 | 49,302 |
Greater than 12 months in an unrealized loss position | 46,400 | 46,283 |
Total | $ 78,161 | $ 95,585 |
Asset-backed securities | | |
Securities Available-for-Sale, Number of Securities | | |
Less than 12 months in an unrealized loss position | security | 7 | 9 |
Greater than 12 months in an unrealized loss position | security | 5 | 3 |
Total | security | 12 | 12 |
Securities Available-for-Sale, Unrealized Losses | | |
Less than 12 months in an unrealized loss position | $ 2,046 | $ 1,077 |
Greater than 12 months in an unrealized loss position | 1,144 | 1,191 |
Total | 3,190 | 2,268 |
Securities Available-for-Sale, Fair Value | | |
Less than 12 months in an unrealized loss position | 98,917 | 99,286 |
Greater than 12 months in an unrealized loss position | 61,397 | 43,662 |
Total | $ 160,314 | $ 142,948 |
Collateralized loan obligations | | |
Securities Available-for-Sale, Number of Securities | | |
Less than 12 months in an unrealized loss position | security | 8 | 12 |
Greater than 12 months in an unrealized loss position | security | 4 | |
Total | security | 12 | 12 |
Securities Available-for-Sale, Unrealized Losses | | |
Less than 12 months in an unrealized loss position | $ 387 | $ 2,203 |
Greater than 12 months in an unrealized loss position | 242 | |
Total | 629 | 2,203 |
Securities Available-for-Sale, Fair Value | | |
Less than 12 months in an unrealized loss position | 44,231 | 82,387 |
Greater than 12 months in an unrealized loss position | 24,488 | |
Total | $ 68,719 | $ 82,387 |