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Securities - Securities Available for Sale (Details) - USD ($) $ in Thousands | Sep. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Amortized cost |  |
Total debt securities | $ 518,104 | $ 521,337
Unrealized Gains (Losses) |  |
Accumulated gross unrealized gain, before tax | 13,044 | 2,853
Accumulated gross unrealized loss, before tax | (1,281) | (7,327)
Amortized Cost |  |
Securities available for sale | 529,867 | 516,863
U.S. Gov’t sponsored entities |  |
Amortized cost |  |
Total debt securities | 135,215 | 134,010
Unrealized Gains (Losses) |  |
Accumulated gross unrealized gain, before tax | 3,620 | 254
Accumulated gross unrealized loss, before tax | (67) | (1,570)
Amortized Cost |  |
Securities available for sale | 138,768 | 132,694
State & political subdivisions |  |
Amortized cost |  |
Total debt securities | 111,468 | 134,662
Unrealized Gains (Losses) |  |
Accumulated gross unrealized gain, before tax | 3,687 | 1,942
Accumulated gross unrealized loss, before tax | (91) | (573)
Amortized Cost |  |
Securities available for sale | 115,064 | 136,031
Residential & multi-family mortgage |  |
Amortized cost |  |
Total debt securities | 236,241 | 209,126
Unrealized Gains (Losses) |  |
Accumulated gross unrealized gain, before tax | 5,362 | 500
Accumulated gross unrealized loss, before tax | (637) | (3,573)
Amortized Cost |  |
Securities available for sale | 240,966 | 206,053
Corporate notes & bonds |  |
Amortized cost |  |
Total debt securities | 7,350 | 12,356
Unrealized Gains (Losses) |  |
Accumulated gross unrealized gain, before tax | 14 | 22
Accumulated gross unrealized loss, before tax | (361) | (601)
Amortized Cost |  |
Securities available for sale | 7,003 | 11,777
Pooled SBA |  |
Amortized cost |  |
Total debt securities | 26,810 | 30,163
Unrealized Gains (Losses) |  |
Accumulated gross unrealized gain, before tax | 361 | 135
Accumulated gross unrealized loss, before tax | (70) | (924)
Amortized Cost |  |
Securities available for sale | 27,101 | 29,374
Other |  |
Amortized cost |  |
Total debt securities | 1,020 | 1,020
Unrealized Gains (Losses) |  |
Accumulated gross unrealized gain, before tax | 0 | 0
Accumulated gross unrealized loss, before tax | (55) | (86)
Amortized Cost |  |
Securities available for sale | $ 965 | $ 934

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