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INVESTMENT SECURITIES - Composition, Repricing and Yield Information of Investment Securities Portfolio (Details) $ in Thousands | Jun. 30, 2019 USD ($)
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Debt Securities, Available-for-sale [Line Items] |
Securities available-for-sale, one year or less, fair value | $ 737,511
Securities available-for-sale, one year or less, weighted average yield (percent) | 3.71%
Securities available-for-sale, more than one year through five years, fair value | $ 3,069
Securities available-for-sale, more than one year through five years, weighted average yield (percent) | 2.67%
Securities available-for-sale, more than five years through ten years, fair value | $ 0
Securities available-for-sale, more than five years through ten years, weighted average yield (percent) | 0.00%
Securities available-for-sale, more than ten years, fair value | $ 427,107
Securities available-for-sale, more than ten years, weighted average yield (percent) | 2.74%
Securities available-for-sale, fair value | $ 1,167,687
Securities available-for-sale, weighted average yield (percent) | 3.35%
SBA loan pools securities |
Debt Securities, Available-for-sale [Line Items] |
Securities available-for-sale, one year or less, fair value | $ 0
Securities available-for-sale, one year or less, weighted average yield (percent) | 0.00%
Securities available-for-sale, more than one year through five years, fair value | $ 0
Securities available-for-sale, more than one year through five years, weighted average yield (percent) | 0.00%
Securities available-for-sale, more than five years through ten years, fair value | $ 0
Securities available-for-sale, more than five years through ten years, weighted average yield (percent) | 0.00%
Securities available-for-sale, more than ten years, fair value | $ 853
Securities available-for-sale, more than ten years, weighted average yield (percent) | 2.08%
Securities available-for-sale, fair value | $ 853
Securities available-for-sale, weighted average yield (percent) | 2.08%
U.S. government agency and U.S. government sponsored enterprise residential mortgage-backed securities |
Debt Securities, Available-for-sale [Line Items] |
Securities available-for-sale, one year or less, fair value | $ 243
Securities available-for-sale, one year or less, weighted average yield (percent) | 2.36%
Securities available-for-sale, more than one year through five years, fair value | $ 3,069
Securities available-for-sale, more than one year through five years, weighted average yield (percent) | 2.67%
Securities available-for-sale, more than five years through ten years, fair value | $ 0
Securities available-for-sale, more than five years through ten years, weighted average yield (percent) | 0.00%
Securities available-for-sale, more than ten years, fair value | $ 426,035
Securities available-for-sale, more than ten years, weighted average yield (percent) | 2.74%
Securities available-for-sale, fair value | $ 429,347
Securities available-for-sale, weighted average yield (percent) | 2.74%
Non-agency residential mortgage-backed securities |
Debt Securities, Available-for-sale [Line Items] |
Securities available-for-sale, one year or less, fair value | $ 66
Securities available-for-sale, one year or less, weighted average yield (percent) | 3.23%
Securities available-for-sale, more than one year through five years, fair value | $ 0
Securities available-for-sale, more than one year through five years, weighted average yield (percent) | 0.00%
Securities available-for-sale, more than five years through ten years, fair value | $ 0
Securities available-for-sale, more than five years through ten years, weighted average yield (percent) | 0.00%
Securities available-for-sale, more than ten years, fair value | $ 219
Securities available-for-sale, more than ten years, weighted average yield (percent) | 5.74%
Securities available-for-sale, fair value | $ 285
Securities available-for-sale, weighted average yield (percent) | 5.16%
Collateralized loan obligations |
Debt Securities, Available-for-sale [Line Items] |
Securities available-for-sale, one year or less, fair value | $ 737,202
Securities available-for-sale, one year or less, weighted average yield (percent) | 3.71%
Securities available-for-sale, more than one year through five years, fair value | $ 0
Securities available-for-sale, more than one year through five years, weighted average yield (percent) | 0.00%
Securities available-for-sale, more than five years through ten years, fair value | $ 0
Securities available-for-sale, more than five years through ten years, weighted average yield (percent) | 0.00%
Securities available-for-sale, more than ten years, fair value | $ 0
Securities available-for-sale, more than ten years, weighted average yield (percent) | 0.00%
Securities available-for-sale, fair value | $ 737,202
Securities available-for-sale, weighted average yield (percent) | 3.71%

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