Stock-Based Compensation - Stock Plans (Detail) - shares	3 Months Ended	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2023	Jun. 18, 2015
2015 Omnibus Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)			12,625,000
Vesting period		4 years
Expiration period		10 years
2015 Omnibus Equity Incentive Plan | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	7 months	48 months
Exercise period following termination		90 days
2015 Omnibus Equity Incentive Plan | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	2 months	12 months
Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock, granted (in shares)		1,945,000
Restricted stock | 2015 Omnibus Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock, granted (in shares)		1,900,000
Number of shares available for future grants (in shares)	3,300,000	3,300,000
Full value awards | 2015 Omnibus Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards settled in shares, adjustments against share reserve (in shares)		1.2
Partial value awards | 2015 Omnibus Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards settled in shares, adjustments against share reserve (in shares)		1.0