Acquisitions - Additional Information (Detail)						3 Months Ended				6 Months Ended		240 Months Ended
	May 19, 2023 USD ($)	Apr. 03, 2023 USD ($)	Apr. 03, 2023 EUR (€)	Aug. 05, 2022 USD ($)	Aug. 03, 2022 USD ($)	Jun. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2022 GBP (£)	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Aug. 05, 2022 USD ($)	Mar. 31, 2025	Mar. 31, 2024	Apr. 03, 2023 EUR (€)	Dec. 31, 2022 USD ($)	Aug. 05, 2022 EUR (€)
Business Acquisition [Line Items]
Change in fair value of contingent consideration						$ 1,123,000			$ 976,000	$ (2,942,000)	$ 6,076,000
Payment of additional amount										213,245,000	1,500,000
Net revenue						273,381,000			221,695,000	512,387,000	418,867,000
Adsmurai, S.L
Business Acquisition [Line Items]
Accounts receivables assets acquired, fair value				$ 11,900,000								$ 11,900,000
Gross amount account receivables asset acquired				12,300,000								12,300,000
Amount due under contract expected to be uncollectible				400,000								400,000
Principal amount		$ 8,100,000		$ 12,800,000								$ 12,800,000			€ 7,355,500		€ 12,535,000
Payment of additional amount							$ 5,600,000	£ 4,993,344
Loan term		7 years	7 years	2 years
Loan annual interest rate		5.00%		5.00%								5.00%			5.00%		5.00%
Percentage owned or converted				51.00%								51.00%
Remaining interest owned percentage		49.00%	49.00%
Jack of Digital
Business Acquisition [Line Items]
Total purchase price for acquisition, including fair value of contingent consideration		$ 1,400,000
Investment		1,100,000			$ 100,000
Acquisition fees and costs									200,000		300,000
Percentage owned or converted					15.00%
Initial installment payment		$ 500,000
Cisneros Interactive
Business Acquisition [Line Items]
Contingent Liability, Current						7,100,000				7,100,000						$ 30,000,000
Contingent consideration noncurrent liabilities						900,000				900,000						11,400,000
Change in fair value of contingent consideration						$ 600,000			500,000	$ 5,900,000	1,000,000
Remaining ownership interest acquired						49.00%				49.00%
Fair value of contingent consideration recognized						$ 8,000,000				$ 8,000,000						41,400,000
MediaDonuts
Business Acquisition [Line Items]
Ownership interest acquired						100.00%				100.00%
Contingent Liability, Current						$ 11,000,000				$ 11,000,000						6,500,000
Contingent consideration noncurrent liabilities						9,900,000				9,900,000						15,700,000
Change in fair value of contingent consideration						500,000			1,700,000	2,200,000	3,300,000
Fair value of contingent consideration recognized						$ 20,900,000				$ 20,900,000						22,200,000
BCNMonetize
Business Acquisition [Line Items]
Business acquisition date	May 19, 2023
Ownership interest acquired	100.00%					100.00%				100.00%
Aggregate cash consideration	$ 6,000,000
Accounts receivables assets acquired, fair value	2,800,000
Gross amount account receivables asset acquired	2,900,000
Amount due under contract expected to be uncollectible	$ 100,000
Period of discounted cost of debt rate	3 years
Contingent Liability, Current						$ 1,000,000				$ 1,000,000
Contingent consideration noncurrent liabilities						600,000				600,000
Business combination consideration, transferred	$ 7,200,000
Total purchase price for acquisition, including fair value of contingent consideration	8,800,000
Acquisition fees and costs										200,000
Fair value of contingent consideration recognized	$ 1,600,000					1,600,000				1,600,000
Net revenue						$ 800,000				$ 800,000
BCNMonetize | Maximum | Discount Rate
Business Acquisition [Line Items]
Discounted cost of debt rate	0.084
BCNMonetize | Minimum | Discount Rate
Business Acquisition [Line Items]
Discounted cost of debt rate	0.082
365 Digital
Business Acquisition [Line Items]
Ownership interest acquired						100.00%				100.00%
Contingent Liability, Current						$ 100,000				$ 100,000
Contingent consideration noncurrent liabilities						100,000				100,000						200,000
Change in fair value of contingent consideration						1,200,000			$ 1,200,000	700,000	$ 1,800,000
Fair value of contingent consideration recognized						$ 200,000				$ 200,000						$ 200,000
Adsmurai Acquisition
Business Acquisition [Line Items]
Business acquisition date		Apr. 03, 2023	Apr. 03, 2023
Ownership interest acquired		51.00%													51.00%
Aggregate cash consideration		$ 14,200,000	€ 13,000,000
Redeemable noncontrolling interest				$ 47,300,000								$ 47,300,000
Adsmurai Acquisition | Scenario Forecast
Business Acquisition [Line Items]
Ownership interest acquired													10.00%	10.00%