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INVESTMENT SECURITIES - Composition, Repricing and Yield Information of Investment Securities (Details) $ in Thousands | Dec. 31, 2018 USD ($)
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Debt Securities, Available-for-sale [Line Items] |
One year or less | $ 1,421,884
One year or less (percent) | 4.44%
More than One Year through Five Years | $ 3,460
More than One Year through Five Years (percent) | 3.32%
More than Five Years through Ten Years | $ 132,199
More than Five Years through Ten Years (percent) | 3.75%
More than Ten Years | $ 434,957
More than Ten Years (percent) | 3.23%
Total | $ 1,992,500
Total (percent) | 4.13%
SBA loan pool securities |
Debt Securities, Available-for-sale [Line Items] |
One year or less | $ 0
One year or less (percent) | 0.00%
More than One Year through Five Years | $ 0
More than One Year through Five Years (percent) | 0.00%
More than Five Years through Ten Years | $ 0
More than Five Years through Ten Years (percent) | 0.00%
More than Ten Years | $ 910
More than Ten Years (percent) | 2.84%
Total | $ 910
Total (percent) | 2.84%
U.S. government agency and U.S. government sponsored enterprise residential mortgage-backed securities |
Debt Securities, Available-for-sale [Line Items] |
One year or less | $ 279
One year or less (percent) | 2.95%
More than One Year through Five Years | $ 3,460
More than One Year through Five Years (percent) | 3.32%
More than Five Years through Ten Years | $ 0
More than Five Years through Ten Years (percent) | 0.00%
More than Ten Years | $ 433,703
More than Ten Years (percent) | 3.23%
Total | $ 437,442
Total (percent) | 3.23%
Non-agency residential mortgage-backed securities |
Debt Securities, Available-for-sale [Line Items] |
One year or less | $ 83
One year or less (percent) | 3.96%
More than One Year through Five Years | $ 0
More than One Year through Five Years (percent) | 0.00%
More than Five Years through Ten Years | $ 0
More than Five Years through Ten Years (percent) | 0.00%
More than Ten Years | $ 344
More than Ten Years (percent) | 5.47%
Total | $ 427
Total (percent) | 5.18%
Non-agency commercial mortgage-backed securities |
Debt Securities, Available-for-sale [Line Items] |
One year or less | $ 0
One year or less (percent) | 0.00%
More than One Year through Five Years | $ 0
More than One Year through Five Years (percent) | 0.00%
More than Five Years through Ten Years | $ 132,199
More than Five Years through Ten Years (percent) | 3.75%
More than Ten Years | $ 0
More than Ten Years (percent) | 0.00%
Total | $ 132,199
Total (percent) | 3.75%
Collateralized loan obligations |
Debt Securities, Available-for-sale [Line Items] |
One year or less | $ 1,421,522
One year or less (percent) | 4.44%
More than One Year through Five Years | $ 0
More than One Year through Five Years (percent) | 0.00%
More than Five Years through Ten Years | $ 0
More than Five Years through Ten Years (percent) | 0.00%
More than Ten Years | $ 0
More than Ten Years (percent) | 0.00%
Total | $ 1,421,522
Total (percent) | 4.44%

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