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DERIVATIVES - Derivative Financial Instruments, Average Remaining Maturity and the Weighted-Average Interest Rates being Paid and Received (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2020 | Dec. 31, 2019
Derivative [Line Items] |  |
Derivative, Notional Amount | $ 8,402,376 | $ 7,586,618
Derivative Asset | 308,819 | 112,607
Derivative Liability | $ (308,888) | (112,616)
Average Maturity (years) | 3 years 1 month 6 days |
Fair Value | $ (69) |
Interest Rate Swap | Derivative Financial Instruments Receive Fixed Pay Variable |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | $ 2,094,136 |
Average Maturity (years) | 5 years 8 months 12 days |
Fair Value | $ 191,580 |
Interest Rate Swap | Derivative Financial Instruments Receive Variable Pay Fixed |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | $ 2,094,136 |
Average Maturity (years) | 5 years 8 months 12 days |
Fair Value | $ (191,649) |
Foreign Exchange [Member] | Derivative Financial Instruments Receive Fixed Pay Variable |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | $ 2,107,052 |
Average Maturity (years) | 6 months |
Fair Value | $ (19,805) |
Foreign Exchange [Member] | Derivative Financial Instruments Receive Variable Pay Fixed |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | $ 2,107,052 |
Average Maturity (years) | 6 months |
Fair Value | $ 19,805 |
Accrued interest and other assets | Fair Value Hedges | Matched interest rate swaps |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | 2,094,136 | 1,923,375
Derivative Asset | 197,886 | 70,799
Derivative Liability | (6,306) | (2,636)
Accrued interest and other assets | Foreign Exchange [Member] | Matched interest rate swaps |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | 2,107,052 | 1,869,934
Derivative Asset | 42,411 | 28,739
Derivative Liability | (62,216) | (10,433)
Accrued interest and other liabilities | Fair Value Hedges | Matched interest rate swaps |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | 2,094,136 | 1,923,375
Derivative Asset | 6,306 | 2,636
Derivative Liability | (197,955) | (70,808)
Accrued interest and other liabilities | Foreign Exchange [Member] | Matched interest rate swaps |  |
Derivative [Line Items] |  |
Derivative, Notional Amount | 2,107,052 | 1,869,934
Derivative Asset | 62,216 | 10,433
Derivative Liability | $ (42,411) | $ (28,739)

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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13433-108611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
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