Stock-Based Compensation - Additional Information (Detail) - USD ($)	3 Months Ended		12 Months Ended
	Dec. 31, 2023	Jun. 30, 2022	Dec. 31, 2023	Dec. 31, 2022	Jun. 18, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation costs related to non-vested awards granted	$ 4,800,000		$ 4,800,000
Accelerated cost	$ 200,000	$ 600,000
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)			1,945,000	1,398,000
Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of shares available for issuance under plan (in shares)	250,000		250,000
Percentage of market value			85.00%
Percentage of employee's payroll deductions limited to employee's compensation			10.00%
Maximum stock value of shares purchased by employees			$ 25,000
Maximum number of shares that employee can purchase each period (in shares)			250
2015 Omnibus Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of shares available for issuance under plan (in shares)					9,625,000
2015 Omnibus Equity Incentive Plan | Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)			1,900,000
Number of shares available for future grants (in shares)	3,300,000		3,300,000
2015 Omnibus Equity Incentive Plan | Full Value Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award settled against shares (in shares)			1.2
2015 Omnibus Equity Incentive Plan | Partial Value Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award settled against shares (in shares)			1.0
2015 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock vesting period			4 years
Stock option expiration period			10 years
2015 Plan | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock vesting period	7 months		48 months
Vested stock options exercised period following termination			90 days
2015 Plan | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock vesting period	2 months		12 months