Leases - Additional Information (Detail) $ in Thousands |
3 Months Ended | 6 Months Ended | 9 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|---|
|
Jul. 22, 2025
USD ($)
|
Jun. 30, 2026
USD ($)
ft²
|
Jun. 30, 2025
USD ($)
|
Mar. 31, 2025
USD ($)
|
Jun. 30, 2026
USD ($)
ft²
|
Jun. 30, 2025
USD ($)
|
Jun. 30, 2026
USD ($)
ft²
|
Jun. 30, 2025
USD ($)
|
Dec. 31, 2025
USD ($)
|
|
| Lessee Lease Description [Line Items] | |||||||||
| Lease expiration date | Jun. 30, 2034 | ||||||||
| Operating lease liabilities | $ 11,278 | $ 11,278 | $ 11,278 | $ 9,737 | |||||
| Long-term operating lease liabilities | $ 37,722 | $ 37,722 | $ 37,722 | $ 36,775 | |||||
| Remaining term description of leases | The Company’s existing leases have remaining terms of less than one year up to 25 years. The weighted average remaining lease term and the weighted average discount rate used to calculate the Company’s lease liabilities as of June 30, 2026 were 8.1 years and 6.3%, respectively. The weighted average remaining lease term and the weighted average discount rate used to calculate the Company’s lease liabilities as of December 31, 2025 were 8.5 years and 6.3%, respectively | ||||||||
| Weighted average remaining lease term | 8 years 1 month 6 days | 8 years 1 month 6 days | 8 years 1 month 6 days | 8 years 6 months | |||||
| Weighted average discount rate | 6.30% | 6.30% | 6.30% | 6.30% | |||||
| Lease cost | $ 2,539 | $ 2,559 | $ 5,001 | $ 5,401 | |||||
| Lease and seeks damages | $ 31,500 | ||||||||
| Loss contingency, damages sought | On or about July 22, 2025, the Company’s now former landlord of the Company’s former headquarters in Santa Monica, California commenced litigation against the Company in Los Angeles County Superior Court. The plaintiff alleges that the Company breached its lease and the plaintiff seeks at least $31.5 million in damages. The plaintiff filed an amended complaint on or about August 26, 2025 and the Company filed an answer on or about September 25, 2025, denying the plaintiff's allegations. Discovery has commenced and the court has tentatively set a trial date in June 2027. The Company intends to vigorously defend against the claims brought by the plaintiff and assert defenses to the claims raised. The Company is currently unable to estimate possible costs and other expenses or charges that may be incurred by the Company as a result of the lease termination. | ||||||||
| Building | |||||||||
| Lessee Lease Description [Line Items] | |||||||||
| Leased space | ft² | 38,000 | 38,000 | 38,000 | ||||||
| Lease expiration date | Jan. 31, 2034 | ||||||||
| Operating lease liabilities | $ 5,700 | $ 5,700 | $ 5,700 | ||||||
| Long-term operating lease liabilities | $ 18,600 | $ 18,600 | $ 18,600 | ||||||
| Building | Burbank, California | |||||||||
| Lessee Lease Description [Line Items] | |||||||||
| Leased space | ft² | 38,000 | 38,000 | 38,000 | ||||||
| Lease expiration date | Jan. 31, 2034 | ||||||||
| Lease abandonment charges | $ 16,100 | ||||||||
| Lease hold improvement | $ 9,100 | ||||||||
| Operating lease liabilities | $ 5,700 | $ 5,700 | $ 5,700 | ||||||
| Long-term operating lease liabilities | 18,600 | 18,600 | $ 18,600 | ||||||
| Location, Statement of Income, Balance [Axis]: us-gaap:OperatingCostsAndExpenses | |||||||||
| Lessee Lease Description [Line Items] | |||||||||
| Lease cost | 1,600 | 1,400 | 3,100 | $ 2,900 | |||||
| Location, Statement of Income, Balance [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense | |||||||||
| Lessee Lease Description [Line Items] | |||||||||
| Lease cost | $ 900 | 1,100 | 2,300 | ||||||
| Location, Statement of Income, Balance [Axis]: evc:CorporateExpenses | |||||||||
| Lessee Lease Description [Line Items] | |||||||||
| Lease cost | $ 100 | $ 1,900 | $ 200 | ||||||
| Maximum | |||||||||
| Lessee Lease Description [Line Items] | |||||||||
| Remaining term of leases | 25 years | ||||||||