Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Jan. 31, 2023	Dec. 31, 2022
Stoffers v. Dave Inc. [Member]
Commitments And Contingencies [Line Items]
Loss contingency lawsuit filing date	September 16, 2020
Martinsek v. Dave Inc. [Member]
Commitments And Contingencies [Line Items]
Loss contingency lawsuit filing date	January 9, 2020
Legal Settlement Expense [Member]
Commitments And Contingencies [Line Items]
Loss contingency estimate of possible loss	$ 3.2	$ 6.0	$ 3.2