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Derivative Financial Instruments - Notional Values (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
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Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional Values | $ 6,589,856 | $ 8,557,883
Trading |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional Values | 1,235,713 | 2,693,364
Cash Flow | Designated as Hedging Instrument |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional Values | 1,438,144 | 1,018,976
Fair Value | Designated as Hedging Instrument |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional Values | 3,915,999 | 4,845,543
Interest Rate Swaps |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional Values | 5,536,096 | 8,557,883
Interest Rate Swaps | Trading |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional Values | 181,953 | 2,693,364
Interest Rate Swaps | Cash Flow | Designated as Hedging Instrument |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional Values | 1,438,144 | 1,018,976
Interest Rate Swaps | Fair Value | Designated as Hedging Instrument |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional Values | 3,915,999 | 4,845,543
Other |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional Values | 1,053,760 | 0
Other | Trading |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional Values | 1,053,760 | 0
Other | Cash Flow | Designated as Hedging Instrument |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional Values | 0 | 0
Other | Fair Value | Designated as Hedging Instrument |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Notional Values | $ 0 | $ 0

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- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959 + Details
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