Significant Accounting Policies - Additional Information (Detail) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2026	Dec. 31, 2025	Jun. 30, 2025
Significant Accounting Policies [Line Items]
Days for delinquent loans to be charged off	65 days
Days for delinquent loans remaining principal payment	90 days
Non activity loan or finance receivable period	30 days
OnDeck Australia
Significant Accounting Policies [Line Items]
Equity interest percentage	20.00%
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssets \| OnDeck Australia
Significant Accounting Policies [Line Items]
Carrying value of investment	$ 0.7	$ 1.5	$ 0.8

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.