Stock-Based Compensation - Stock Plans (Details) - shares		3 Months Ended			6 Months Ended
	May 10, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Jun. 30, 2024
2015 Omnibus Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of additional shares authorized (in shares)	3,000,000
Number of shares available for future grants (in shares)		3,100,000			3,100,000
Number of shares authorized (in shares)		4,200,000			4,200,000
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	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 years	2 years	12 months
Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock, granted (in shares)		0			277,000
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