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Derivative Financial Instruments and Hedging Activities - Narrative (Details)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2022
USD ($)
Jun. 30, 2021
USD ($)
Jun. 30, 2022
USD ($)
Jun. 30, 2021
USD ($)
Derivative [Line Items]        
Loan commitment, term     7 days  
Foreign currency re-measurement exchange gains (losses) $ 0.0 $ (0.1) $ 0.1 $ 0.1
Forward loans IRLCs        
Derivative [Line Items]        
Loan commitment, term     60 days  
Minimum        
Derivative [Line Items]        
Coverage ratio 0.40   0.40  
Loans held-for-sale, period of sale 3 days   3 days  
Minimum | Forward loans IRLCs        
Derivative [Line Items]        
Loan commitment, term     5 days  
Maximum        
Derivative [Line Items]        
Coverage ratio 0.60   0.60  
Loans held-for-sale, period of sale 20 days   20 days  
Maximum | Forward loans IRLCs        
Derivative [Line Items]        
Loan commitment, term     90 days