Summary of Significant Accounting Policies - Narrative (Details) $ in Millions	3 Months Ended
	Mar. 31, 2024 USD ($) numberOfVariable	Apr. 30, 2024 store
Property, Plant and Equipment [Line Items]
Number of macroeconomic variables	3
Number of economic variables	4
Number of economic scenario variables	3
Number of economic forecast variables	4
Number of variables	2
Reasonable and supportable period (in months)	18 months
Historical loss rate on straight-line basis over loan's remaining maturity (in months)	12 months
Individually-evaluated loan analysis, loan threshold amount | $	$ 1.0
Banking Services | Subsequent Event
Property, Plant and Equipment [Line Items]
Number of locations | store		12
Lending Services | Subsequent Event
Property, Plant and Equipment [Line Items]
Number of locations | store		4