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Equity Incentive Plans - Additional Information (Detail)			1 Months Ended			12 Months Ended
	May 30, 2024 shares	May 27, 2021 shares	Jan. 31, 2024 USD ($) Days $ / shares	Jul. 31, 2023 USD ($) Days $ / shares	Jun. 30, 2023 shares	Dec. 31, 2024 USD ($) $ / shares shares	Dec. 31, 2023 USD ($) $ / shares shares	Dec. 31, 2022 USD ($) $ / shares shares	May 31, 2014 shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Securities remaining available for future issuance						10,500,000
Stock options granted (in shares)						0	0	0
Employee Stock Option
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock options granted (in shares)						0	0	0
Share-based compensation expenses | $						$ 0	$ 0	$ 0
Employee Stock Option | Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period						1 year
Employee Stock Option | Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period						4 years
Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Performance-based restricted stock and restricted stock units, eliminated minimum vesting period under amended 2004 plan						3 years
Initial one-time award granted						2,929,000	4,869,000	3,555,000
Share-based compensation expenses | $						$ 12,300,000	$ 23,000,000	$ 20,000,000
Total unrecognized compensation expense related to grants of restricted stock units | $						$ 7,600,000
Weighted average period for unrecognized compensation expense related to grants of stock options						1 year 9 months 18 days
Fair value of shares | $						$ 17,300,000	$ 14,000,000.0	$ 18,100,000
Granted, weighted average grant date fair value | $ / shares						$ 4.01	$ 6.06	$ 5.43
Number of shares, cancelled						2,080,000	269,000	151,000
Restricted Stock Units | Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period						1 year
Restricted Stock Units | Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period						4 years
Performance Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)						600,000	1,000,000
Initial one-time award granted						600,000	1,000,000
Share-based compensation expenses | $						$ 1,500,000	$ 700,000
Total unrecognized compensation expense related to grants of restricted stock units | $						$ 1,700,000
Weighted average period for unrecognized compensation expense related to grants of stock options						2 years 2 months 12 days
Performance period commencing date			Jan. 25, 2024	Jul. 01, 2023
Performance period ending date			Jan. 25, 2029	Jul. 01, 2028
Number of consecutive trading days | Days			30	30
Granted, weighted average grant date fair value | $ / shares						$ 3.78	$ 3.29
Allocated percentage						25.00%	20.00%
Percentage of performance measurement						100.00%
Number of shares, cancelled						400,000
Share price | $ / shares						$ 4.38	$ 4.39
Performance Stock Units | Tranche One
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Fair value of shares | $			$ 600,000	$ 800,000
Granted, weighted average grant date fair value | $ / shares			$ 4.16	$ 3.98
Share price | $ / shares			$ 4.83	$ 5.75
Performance Stock Units | Tranche Two
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Fair value of shares | $			$ 600,000	$ 700,000
Granted, weighted average grant date fair value | $ / shares			$ 3.98	$ 3.64
Share price | $ / shares			$ 5.65	$ 7.25
Performance Stock Units | Tranche Three
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Fair value of shares | $			$ 500,000	$ 700,000
Granted, weighted average grant date fair value | $ / shares			$ 3.66	$ 3.31
Share price | $ / shares			$ 7.15	$ 9
Performance Stock Units | Tranche Four
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Fair value of shares | $			$ 500,000	$ 600,000
Granted, weighted average grant date fair value | $ / shares			$ 3.32	$ 2.93
Share price | $ / shares			$ 8.9	$ 11.2
Performance Stock Units | Tranche Five
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Fair value of shares | $				$ 500,000
Granted, weighted average grant date fair value | $ / shares				$ 2.58
Share price | $ / shares				$ 13.75
Performance Stock Units | Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting percentage			0.00%	0.00%
Performance Stock Units | Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting percentage			100.00%	100.00%
2000 Plan | Class A common stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)						11,500,000
2004 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation award extended expiration date						May 29, 2024
2004 Plan | Class A common stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)	25,500,000	18,000,000							10,000,000
Number of additional shares authorized under the plan	7,500,000	8,000,000
2023 Inducement Plan | Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Initial one-time award granted					1,000,000
2023 Inducement Plan | Performance Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Initial one-time award granted					1,000,000
2023 Inducement Plan | Class A common stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)					2,000,000

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+ References

No definition available.

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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