Treasury Stock and Share-Based Awards - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 06, 2025
Stockholders Equity Note [Line Items]
Authorized to Repurchase		$ 200.0
Market value of common stock on the dates of grant	$ 27.46
Forfeiture Rate For Stock Awards Grants In Period	2.50%
Number of shares issuable under the restricted stock awards granted	130,000
Restricted Stock (Member)
Stockholders Equity Note [Line Items]
Number of restricted shares granted	500,000
Restricted Stock (Member) | CUSA Employees and Holdings Directors [Member]
Stockholders Equity Note [Line Items]
Number of restricted shares granted	500,000
Restricted Stock (Member) | CUSA Employees and Holdings Directors [Member] | Minimum
Stockholders Equity Note [Line Items]
Market value of common stock on the dates of grant	$ 27.01
Forfeiture rate for restricted stock awards	0.00%
Award vesting period for restricted stock	1 year
Restricted Stock (Member) | CUSA Employees and Holdings Directors [Member] | Maximum
Stockholders Equity Note [Line Items]
Market value of common stock on the dates of grant	$ 30.53
Forfeiture rate for restricted stock awards	7.50%
Award vesting period for restricted stock	3 years
Performance Shares [Member]
Stockholders Equity Note [Line Items]
Market value of common stock on the dates of grant	$ 27.45
Unrecognized compensation expense	$ 22.5
Remaining compensation expense recognition period (in years)	1 year 6 months
Number of hypothetical shares of common stock at IRR levels	2,500,000
Number of hypothetical shares of common stock	710,000
Restricted Stock Units [Member]
Stockholders Equity Note [Line Items]
Market value of common stock on the dates of grant	$ 27.45
Company Recognized Compensation Expense	$ 0.2
Unrecognized compensation expense	$ 2.7
Remaining compensation expense recognition period (in years)	1 year 11 months 12 days
Number of hypothetical shares of common stock at IRR levels	100,000
Restricted Stock Units [Member] | Minimum
Stockholders Equity Note [Line Items]
Forfeiture rate for restricted stock awards	0.00%
Award vesting period for restricted stock	1 year
Restricted Stock Units [Member] | Maximum
Stockholders Equity Note [Line Items]
Forfeiture rate for restricted stock awards	7.50%
Award vesting period for restricted stock	3 years