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INVESTMENT SECURITIES - Composition, Repricing and Yield Information of Investment Securities Portfolio (Details) $ in Thousands | Mar. 31, 2020 USD ($)
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Debt Securities, Available-for-sale [Line Items] |
Securities available-for-sale, one year or less, fair value | $ 741,736
Securities available-for-sale, one year or less, weighted average yield (percent) | 3.22%
Securities available-for-sale, more than one year through five years, fair value | $ 39,267
Securities available-for-sale, more than one year through five years, weighted average yield (percent) | 3.32%
Securities available-for-sale, more than five years through ten years, fair value | $ 59,851
Securities available-for-sale, more than five years through ten years, weighted average yield (percent) | 2.90%
Securities available-for-sale, more than ten years, fair value | $ 128,573
Securities available-for-sale, more than ten years, weighted average yield (percent) | 2.55%
Securities available-for-sale, fair value | $ 969,427
Securities available-for-sale, weighted average yield (percent) | 3.14%
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 | $ 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 | $ 29,993
Securities available-for-sale, more than five years through ten years, weighted average yield (percent) | 2.20%
Securities available-for-sale, more than ten years, fair value | $ 74,028
Securities available-for-sale, more than ten years, weighted average yield (percent) | 2.36%
Securities available-for-sale, fair value | $ 104,021
Securities available-for-sale, weighted average yield (percent) | 2.32%
U.S. government agency and U.S. government sponsored enterprise collateralized mortgage obligations |
Debt Securities, Available-for-sale [Line Items] |
Securities available-for-sale, one year or less, fair value | $ 118,165
Securities available-for-sale, one year or less, weighted average yield (percent) | 2.09%
Securities available-for-sale, more than one year through five years, fair value | $ 11,060
Securities available-for-sale, more than one year through five years, weighted average yield (percent) | 2.34%
Securities available-for-sale, more than five years through ten years, fair value | $ 10,194
Securities available-for-sale, more than five years through ten years, weighted average yield (percent) | 2.43%
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 | $ 139,419
Securities available-for-sale, weighted average yield (percent) | 2.14%
Municipal 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 | $ 54,385
Securities available-for-sale, more than ten years, weighted average yield (percent) | 2.79%
Securities available-for-sale, fair value | $ 54,385
Securities available-for-sale, weighted average yield (percent) | 2.79%
Non-agency residential mortgage-backed 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 | $ 160
Securities available-for-sale, more than ten years, weighted average yield (percent) | 5.46%
Securities available-for-sale, fair value | $ 160
Securities available-for-sale, weighted average yield (percent) | 5.46%
Collateralized loan obligations |
Debt Securities, Available-for-sale [Line Items] |
Securities available-for-sale, one year or less, fair value | $ 623,571
Securities available-for-sale, one year or less, weighted average yield (percent) | 3.43%
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 | $ 623,571
Securities available-for-sale, weighted average yield (percent) | 3.43%
Corporate debt 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 | $ 28,207
Securities available-for-sale, more than one year through five years, weighted average yield (percent) | 3.70%
Securities available-for-sale, more than five years through ten years, fair value | $ 19,664
Securities available-for-sale, more than five years through ten years, weighted average yield (percent) | 4.21%
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 | $ 47,871
Securities available-for-sale, weighted average yield (percent) | 3.91%

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