v3.26.1
Reconciliations of Equity - Reconciliations of Total Equity (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Reconciliations of total equity    
Beginning Balance $ 1,244,010 $ 1,169,934
Issuance of common stock under incentive compensation plan 294 82
Stock-based and deferred compensation (1,213) (1,055)
Net income (loss) (41,406) 19,711
Other comprehensive income 302 20,550
Cash dividends paid:    
Common stock (8,963) (8,684)
Ending Balance 1,193,024 1,200,538
Common Stock [Member]    
Reconciliations of total equity    
Beginning Balance 27,301 27,156
Issuance of common stock under incentive compensation plan 7 2
Stock-based and deferred compensation 139 95
Cash dividends paid:    
Ending Balance 27,447 27,253
Additional Paid-in Capital [Member]    
Reconciliations of total equity    
Beginning Balance 259,820 253,779
Issuance of common stock under incentive compensation plan 287 80
Stock-based and deferred compensation 2,093 507
Cash dividends paid:    
Ending Balance 262,200 254,366
Common Treasury Stock [Member]    
Reconciliations of total equity    
Beginning Balance (189,889) (188,049)
Stock-based and deferred compensation (3,445) (1,657)
Cash dividends paid:    
Ending Balance (193,334) (189,706)
Accumulated Other Comprehensive Income (Loss) [Member]    
Reconciliations of total equity    
Beginning Balance (138,974) (196,838)
Other comprehensive income 302 20,550
Cash dividends paid:    
Ending Balance (138,672) (176,288)
Retained Earnings [Member]    
Reconciliations of total equity    
Beginning Balance 1,285,752 1,273,886
Net income (loss) (41,406) 19,711
Cash dividends paid:    
Common stock (8,963) (8,684)
Ending Balance $ 1,235,383 $ 1,284,913