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INVESTMENT SECURITIES - Composition, Repricing and Yield Information of Investment Securities Portfolio (Details) $ in Thousands | Sep. 30, 2021 USD ($)
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Debt Securities, Available-for-sale [Line Items] |
Securities available-for-sale, one year or less, fair value | $ 670,360
Securities available-for-sale, one year or less, weighted average yield (percent) | 1.56%
Securities available-for-sale, more than one year through five years, fair value | $ 162,179
Securities available-for-sale, more than one year through five years, weighted average yield (percent) | 4.62%
Securities available-for-sale, more than five years through ten years, fair value | $ 105,449
Securities available-for-sale, more than five years through ten years, weighted average yield (percent) | 2.42%
Securities available-for-sale, more than ten years, fair value | $ 365,380
Securities available-for-sale, more than ten years, weighted average yield (percent) | 2.11%
Securities available-for-sale, fair value | $ 1,303,368
Weighted-Average Yield | 2.15%
SBA loan pool securities |
Debt Securities, Available-for-sale [Line Items] |
Securities available-for-sale, one year or less, fair value | $ 15,421
Securities available-for-sale, one year or less, weighted average yield (percent) | 0.93%
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 | $ 15,421
Weighted-Average Yield | 0.93%
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 | $ 29,294
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 | $ 163,992
Securities available-for-sale, more than ten years, weighted average yield (percent) | 2.16%
Securities available-for-sale, fair value | $ 193,286
Weighted-Average Yield | 2.17%
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 | $ 105,662
Securities available-for-sale, one year or less, weighted average yield (percent) | 0.63%
Securities available-for-sale, more than one year through five years, fair value | $ 10,978
Securities available-for-sale, more than one year through five years, weighted average yield (percent) | 1.97%
Securities available-for-sale, more than five years through ten years, fair value | $ 42,423
Securities available-for-sale, more than five years through ten years, weighted average yield (percent) | 1.34%
Securities available-for-sale, more than ten years, fair value | $ 96,242
Securities available-for-sale, more than ten years, weighted average yield (percent) | 1.75%
Securities available-for-sale, fair value | $ 255,305
Weighted-Average Yield | 1.23%
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 | $ 15,425
Securities available-for-sale, more than five years through ten years, weighted average yield (percent) | 2.62%
Securities available-for-sale, more than ten years, fair value | $ 104,992
Securities available-for-sale, more than ten years, weighted average yield (percent) | 2.37%
Securities available-for-sale, fair value | $ 120,417
Weighted-Average Yield | 2.40%
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 | $ 154
Securities available-for-sale, more than ten years, weighted average yield (percent) | 6.36%
Securities available-for-sale, fair value | $ 154
Weighted-Average Yield | 6.36%
Collateralized loan obligations |
Debt Securities, Available-for-sale [Line Items] |
Securities available-for-sale, one year or less, fair value | $ 549,277
Securities available-for-sale, one year or less, weighted average yield (percent) | 1.76%
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 | $ 549,277
Weighted-Average Yield | 1.76%
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 | $ 151,201
Securities available-for-sale, more than one year through five years, weighted average yield (percent) | 4.82%
Securities available-for-sale, more than five years through ten years, fair value | $ 18,307
Securities available-for-sale, more than five years through ten years, weighted average yield (percent) | 5.73%
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 | $ 169,508
Weighted-Average Yield | 4.91%

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