CAPITAL STOCK - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Stockholders Equity Note [Line Items]
Preferred stock, shares issued	0
Preferred stock, shares outstanding	0
Forfeiture rate	5.00%	5.00%
CUSA
Stockholders Equity Note [Line Items]
Preferred stock, shares issued	0
Preferred stock, shares outstanding	0
Preferred stock shares authorized	1,000,000
Preferred stock par value	$ 1
CUSA | Class A Common Stock
Stockholders Equity Note [Line Items]
Common stock, shares outstanding	1,500
Common stock voting rights	Holders of Class A common stock have exclusive voting rights
CUSA | Class B Common Stock
Stockholders Equity Note [Line Items]
Common stock, shares outstanding	182,600
Common stock voting rights	Holders of Class B common stock have no voting rights except upon any proposed amendments to the articles of incorporation
Restricted Stock
Stockholders Equity Note [Line Items]
Number of restricted shares granted	980,000	1,380,000	880,000
Market value of common stock on the dates of grant	$ 16.64	$ 12.07	$ 16.4
Number of restricted stock unit awards that vested during the period	930,000	780,000	950,000
Restricted Stock | CUSA Employees and Holdings Directors
Stockholders Equity Note [Line Items]
Number of restricted shares granted	1,000,000
Restricted Stock | Minimum | CUSA Employees and Holdings Directors
Stockholders Equity Note [Line Items]
Market value of common stock on the dates of grant	$ 16.43
Forfeiture rate for restricted stock awards	0.00%
Award vesting period for restricted stock	1 year
Restricted Stock | Maximum | CUSA Employees and Holdings Directors
Stockholders Equity Note [Line Items]
Market value of common stock on the dates of grant	$ 35.18
Forfeiture rate for restricted stock awards	10.00%
Award vesting period for restricted stock	3 years
Restricted Stock Units (RSUs)
Stockholders Equity Note [Line Items]
Market value of common stock on the dates of grant	$ 16.43	$ 11.68	$ 16.65
Number of restricted stock unit awards that vested during the period	120,000	140,000	100,000
Unrecognized compensation expense	$ 16.3
Remaining Compensation Expense recognition period (in years)	1 year 2 months 12 days
Number of hypothetical shares of common stock	1,150,000	1,500,000	800,000
Number of hypothetical shares of common stock at maximum IRR level	2,900,000
Phantom Share Units (PSUs) [Member]
Stockholders Equity Note [Line Items]
Number of restricted shares granted			800,000