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Significant accountings policies.

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The amount of cash deposited in financial institutions as of the balance sheet date that is insured by the Federal Deposit Insurance Corporation.

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Significant Accounting Policies - Additional Information (Detail) $ / shares in Units, $ in Thousands		3 Months Ended		6 Months Ended
	Jan. 04, 2023 shares	Jun. 30, 2025 USD ($) $ / shares shares	Jun. 30, 2024 USD ($) shares	Jun. 30, 2025 USD ($) $ / shares shares	Jun. 30, 2024 USD ($) shares	Dec. 31, 2024 USD ($) $ / shares
Significant Accountings Policies [Line Items]
Unrecognized tax benefits, income tax penalties and interest accrued		$ 2,300		$ 2,300		$ 2,000
Interest expense and penalties				26	$ 4
Accrued interest expense and penalties		78	$ 20	78	20
FDIC insured amount		60,800		60,800		$ 61,100
Loan origination costs		1,400	800	$ 2,500	1,500
Allowance for credit losses average term				11 days
Capitalized costs for internally developed software		1,700	2,200	$ 3,100	3,800
Advertising costs		$ 13,400	$ 10,700	$ 23,700	$ 19,800
Effective income tax rate				50.00%
Accounts receivable, noncurrent, threshold period past due, writeoff		120 days		120 days
Computation of diluted net income excluded \| shares		425,793	808,055	504,835	852,782
Reverse stock split, description	32-for-1 reverse stock split effected on January 4, 2023
Reverse stock split, conversion ratio	32
Number of warrants exercisable per common stock \| shares	32
Minimum [Member]
Significant Accountings Policies [Line Items]
Property, plant and equipment, useful life		3 years		3 years
Accounts receivable, noncurrent, threshold period past due		12 days		12 days
Maximum [Member]
Significant Accountings Policies [Line Items]
Property, plant and equipment, useful life		7 years		7 years
Class A common stock [Member]
Significant Accountings Policies [Line Items]
Common Stock, Par Value \| $ / shares		$ 0.0001		$ 0.0001		$ 0.0001
Class V common stock [Member]
Significant Accountings Policies [Line Items]
Common Stock, Par Value \| $ / shares		$ 0.0001		$ 0.0001		$ 0.0001
Public and Private Warrants [Member]
Significant Accountings Policies [Line Items]
Computation of diluted net income excluded \| shares		11,444,235		11,444,235
Earnout Shares [Member]
Significant Accountings Policies [Line Items]
Computation of diluted net income excluded \| shares			49,653		49,653
Members' Usage of Out-of-Network [Member]
Significant Accountings Policies [Line Items]
ATM-related fees		$ 700	$ 800	$ 1,500	$ 1,600
Transaction based revenue, net [Member]
Significant Accountings Policies [Line Items]
ATM-related fees		$ 600	$ 500	$ 1,100	$ 1,000
Computer Software, Intangible Asset [Member]
Significant Accountings Policies [Line Items]
Finite-lived intangible asset, useful life		3 years		3 years