v3.26.1
Debt - Debt (Detail) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Debt Instrument [Line Items]    
Total debt $ 651,725 $ 626,710
Less current maturities 323,310 285,735
Long-term debt 328,415 340,975
Unsecured private placement 3.95% note [Member]    
Debt Instrument [Line Items]    
Total debt $ 28,525 $ 28,515
Debt instrument interest rate percentage 3.95% 3.95%
Unsecured private placement 3.95% note [Member] | Minimum [Member]    
Debt Instrument [Line Items]    
Maturity Dates 2026 2026
Unsecured private placement 3.95% note [Member] | Maximum [Member]    
Debt Instrument [Line Items]    
Maturity Dates 2027 2027
Unsecured private placement 2.30% note [Member]    
Debt Instrument [Line Items]    
Total debt $ 29,951 $ 29,945
Debt instrument interest rate percentage 2.30% 2.30%
Unsecured private placement 2.30% note [Member] | Minimum [Member]    
Debt Instrument [Line Items]    
Maturity Dates 2026 2026
Unsecured private placement 2.30% note [Member] | Maximum [Member]    
Debt Instrument [Line Items]    
Maturity Dates 2028 2028
Unsecured private placement 2.37% note [Member]    
Debt Instrument [Line Items]    
Total debt $ 29,946 $ 29,940
Debt instrument interest rate percentage 2.37% 2.37%
Unsecured private placement 2.37% note [Member] | Minimum [Member]    
Debt Instrument [Line Items]    
Maturity Dates 2026 2026
Unsecured private placement 2.37% note [Member] | Maximum [Member]    
Debt Instrument [Line Items]    
Maturity Dates 2028 2028
Unsecured private placement 2.73% note [Member]    
Debt Instrument [Line Items]    
Total debt $ 85,666 $ 85,662
Debt instrument interest rate percentage 2.73% 2.73%
Unsecured private placement 2.73% note [Member] | Minimum [Member]    
Debt Instrument [Line Items]    
Maturity Dates 2026 2026
Unsecured private placement 2.73% note [Member] | Maximum [Member]    
Debt Instrument [Line Items]    
Maturity Dates 2031 2031
Unsecured private placement 2.83% note [Member]    
Debt Instrument [Line Items]    
Total debt $ 64,237 $ 74,948
Debt instrument interest rate percentage 2.83% 2.83%
Unsecured private placement 2.83% note [Member] | Minimum [Member]    
Debt Instrument [Line Items]    
Maturity Dates 2026 2026
Unsecured private placement 2.83% note [Member] | Maximum [Member]    
Debt Instrument [Line Items]    
Maturity Dates 2032 2032
Unsecured private placement 6.17% note [Member]    
Debt Instrument [Line Items]    
Total debt $ 75,000 $ 75,000
Debt instrument interest rate percentage 6.17% 6.17%
Unsecured private placement 6.17% note [Member] | Minimum [Member]    
Debt Instrument [Line Items]    
Maturity Dates 2029 2029
Unsecured private placement 6.17% note [Member] | Maximum [Member]    
Debt Instrument [Line Items]    
Maturity Dates 2033 2033
Revolving credit facility and term loan borrowing [Member]    
Debt Instrument [Line Items]    
Total debt $ 338,400 $ 302,700
Revolving credit facility and term loan borrowing [Member] | Minimum [Member]    
Debt Instrument [Line Items]    
Maturity Dates 2026 2026
Revolving credit facility and term loan borrowing [Member] | Maximum [Member]    
Debt Instrument [Line Items]    
Maturity Dates 2027 2027