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Derivative Financial Instruments - Weighted-average Rates Paid and Received (Details) - Interest Rate Swaps	Dec. 31, 2021	Dec. 31, 2020
Cash flow hedges | Paid
Derivative [Line Items]
Weighted-Average Interest Rate	4.81%	4.81%
Cash flow hedges | Received
Derivative [Line Items]
Weighted-Average Interest Rate	2.89%	2.94%
Non-Hedging | Financial Institution | Paid
Derivative [Line Items]
Weighted-Average Interest Rate	4.32%	4.18%
Non-Hedging | Financial Institution | Received
Derivative [Line Items]
Weighted-Average Interest Rate	2.68%	2.48%
Non-Hedging | Customer | Paid
Derivative [Line Items]
Weighted-Average Interest Rate	2.68%	2.52%
Non-Hedging | Customer | Received
Derivative [Line Items]
Weighted-Average Interest Rate	4.33%	4.19%

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- Definition

Derivative, Weighted-Average Interest Rate

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- Definition

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