Equity (Details)			3 Months Ended		9 Months Ended		12 Months Ended	31 Months Ended
	Mar. 03, 2025 USD ($)	Mar. 04, 2024 USD ($)	Sep. 30, 2025 USD ($) installment shares	Sep. 30, 2024 USD ($) shares	Sep. 30, 2025 USD ($) installment $ / shares shares	Sep. 30, 2024 USD ($) shares	Dec. 31, 2023 $ / shares	Sep. 30, 2025 USD ($) installment shares	Mar. 31, 2023 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock repurchase program, authorized amount		$ 85,000,000							$ 35,000,000
Stock repurchase program, additional authorized amount		$ 50,000,000
Duration of share repurchase program (in months)		36 months
Amount available			$ 38,900,000		$ 38,900,000			$ 38,900,000
Dividends declared (in dollars per share) | $ / shares					$ 0.06		$ 0.05
Dividends paid to class A common stock shareholders					$ 4,100,000	$ 3,400,000
Treasury Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock repurchased during the period (in shares) | shares			667,500	155,200	945,600	1,520,300
Repurchase of class A common stock			$ 8,300,000	$ 1,700,000	$ 11,600,000	$ 15,500,000
Class A Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock repurchased during the period (in shares) | shares								4,271,400
Repurchase of class A common stock								$ 46,400,000
Restricted Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equal annual installments | installment			3		3			3
Unrecognized expense related to restricted shares issued			$ 2,200,000		$ 2,200,000			$ 2,200,000
Weighted average period (in years)					1 year 3 months 18 days
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized expense related to restricted shares issued			3,700,000		$ 3,700,000			3,700,000
Weighted average period (in years)					2 years 2 months 12 days
Restricted Stock Units (RSUs) | Employee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted shares issued (in shares) | shares					238,300
Value of shares granted					$ 4,100,000
Restricted Stock Units (RSUs) | Nonemployee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted shares issued (in shares) | shares					40,700
Value of shares granted					$ 500,000
Restricted Cash Units | Nonemployee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized expense related to restricted shares issued			100,000		$ 100,000			100,000
Granted shares issued (in shares) | shares					12,900
PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized expense related to restricted shares issued			$ 3,400,000		$ 3,400,000			$ 3,400,000
Weighted average period (in years)					1 year 3 months 18 days
Granted shares issued (in shares) | shares					136,000
Performance period (in years)					3 years
Incremental cost	$ 100,000
Performance Shares, Relative Grant Date
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted shares issued (in shares) | shares					68,000
Number of target shares granted to employees (in dollars per share) | $ / shares					$ 22.46
Performance Shares, Absolute Grant Date
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted shares issued (in shares) | shares					68,000
Number of target shares granted to employees (in dollars per share) | $ / shares					$ 18.24