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DEPOSITS - Scheduled Maturities of Time Deposits (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Certificates of deposit of $250,000 or less |  |
2019 | $ 2,018,605 |
2020 | 336,618 |
2021 | 27,124 |
2022 | 3,542 |
2023 and After | 2,703 |
Total | 2,388,592 | $ 1,365,452
Certificates of deposit of more than $250,000 |  |
2019 | 627,100 |
2020 | 172,503 |
2021 | 8,361 |
2022 | 513 |
2023 and After | 805 |
Total | 809,282 | $ 560,340
Time Deposits [Abstract] |  |
2019 | 2,645,705 |
2020 | 509,121 |
2021 | 35,485 |
2022 | 4,055 |
2023 and After | 3,508 |
Total | $ 3,197,874 |

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- Definition Amount of time deposits maturing in the fourth fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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- Definition Amount of time deposits maturing in the next fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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- Definition Amount of time deposits maturing in the third fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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