Preferred and Common Stock - Schedule of Activity for Stock Options and Stock Units (Detail)	12 Months Ended
	Dec. 31, 2024 $ / shares shares
Stock Units [Member]
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Number of units, Outstanding beginning of year | shares	2,995,445
Number of units, Granted | shares	1,598,055
Number of units, Exercised | shares	0
Number of units, Converted | shares	(1,573,718)
Number of units, Expired or forfeited | shares	(79,161)
Number of units, Performance share adjustment | shares	(28,400)
Number of units, Outstanding end of year | shares	2,912,221
Weighted average FMV per unit, Outstanding beginning of year | $ / shares	$ 35.54
Stock granted, Fair value | $ / shares	31.43
Weighted average FMV per unit, Exercised | $ / shares	0
Weighted average FMV per unit, Converted | $ / shares	23.23
Weighted average FMV per unit, Expired or forfeited | $ / shares	39.64
Weighted average FMV per unit, Performance share adjustment | $ / shares	149.49
Weighted average FMV per unit, Outstanding, end of year | $ / shares	$ 38.71
Stock Options [Member]
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Number of options, Outstanding beginning of year | shares	148,608
Number of options, Granted | shares	0
Number of options, Exercised | shares	(15,162)
Number of options, Converted | shares	0
Number of options, Expired or forfeited | shares	0
Number of options, Performance share adjustment | shares	0
Number of options, Outstanding end of year | shares	133,446
Weighted average exercise price, Outstanding beginning of year | $ / shares	$ 26.73
Weighted average exercise price, granted | $ / shares	0
Weighted average exercise price, exercised | $ / shares	18.56
Weighted average exercise price, Converted | $ / shares	0
Weighted average exercise price, Expired or forfeited | $ / shares	0
Weighted average exercise price, Performance share adjustment | $ / shares	0
Weighted average exercise price Outstanding, end of year | $ / shares	$ 27.66