Allowance for Credit Losses - Forecasted Economic Scenarios (Details)	Dec. 31, 2023	Dec. 31, 2022
Forecast, Quarter ended June 30, 2024
Measurement of ECL Measurements [Line Items]
Unemployment rate (quarterly average) (in percent)	4.30%	4.50%
GDP growth rate (year-over-year) (in percent)	1.20%	1.40%
Forecast, Quarter ended December 31, 2024
Measurement of ECL Measurements [Line Items]
Unemployment rate (quarterly average) (in percent)	4.30%	4.40%
GDP growth rate (year-over-year) (in percent)	1.10%	1.90%