Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income before income taxes
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	$ 47,721	$ 89,191	$ 97,237
Provision for income taxes
Federal	3,296	16,424	17,708
State	2,489	5,314	6,275
Canadian	0	(25)	(62)
Total current	5,785	21,713	23,921
Deferred Federal Income Tax Expense (Benefit)	7,396	1,500	1,238
Deferred State and Local Income Tax Expense (Benefit)	1,215	541	264
Deferred Foreign Income Tax Expense (Benefit)	0	641	(327)
Total deferred	8,611	2,682	1,175
Total taxes on income	14,396	24,395	25,096
Tax rate reconciliation
Income before income taxes	$ 47,721	$ 89,191	$ 97,236
Tax Jurisdiction of Domicile [Extensible Enumeration]
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount	$ 10,021
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount	3,180
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	(681)
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount	193
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Meals and Entertainment, Amount	2,570
Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-Based Payment Arrangement, Amount	(1,444)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Amount	1,873
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount	112
Effective Income Tax Rate Reconciliation, Deduction, Employee Stock Ownership Plan Dividend, Amount	(169)
Effective Income Tax Rate Reconciliation, Tax Settlement, Amount	(38)
Effective Income Tax Rate Reconciliation, Tax Credit, Amount	(600)
Effective Income Tax Rate Reconciliation, Tax Credit, Other, Amount	(499)
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount	$ (122)
Statutory U.S. federal tax rate	21.00%	21.00%	21.00%
Tax Jurisdiction of Domicile [Extensible Enumeration]
State income taxes, net of federal benefit	6.70%	5.30%	5.40%
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent	(1.40%)	(1.00%)	(0.30%)
Effect of Canadian income taxes	0.40%	1.10%	0.00%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Meals and Entertainment, Percent	5.40%
Stock compensation	(3.00%)	(1.60%)	(0.80%)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Percent	3.90%	1.10%	0.40%
Nondeductible expenses	0.20%	2.40%	0.70%
ESOP dividend deduction	(0.40%)	(0.20%)	(0.20%)
Uncertain tax adjustments and audit settlement	(0.10%)	0.00%	0.10%
Effective Income Tax Rate Reconciliation, Tax Credit, Energy-Related, Percent	(1.30%)
Effective Income Tax Rate Reconciliation, Tax Credit, Other, Percent	(1.00%)
Other, net	(0.20%)	(0.70%)	(0.50%)
Effective income tax rate	30.20%	27.40%	25.80%
Noncurrent deferred tax assets and liabilities, net
Self-insurance accruals	$ 35,830	$ 30,263
Accrued compensated absences	2,325	2,370
Accrued expenses and other liabilities	1,041	984
Accrued stock compensation	3,404	3,959
Foreign tax credit carryforward	0	401
Lease obligations	13,573	18,055
Other future deductible amounts, net	6,282	9,590
Deferred tax assets, gross,noncurrent	62,455	65,622
Less deferred tax asset valuation allowance	351	968
Deferred tax assets, net--noncurrent	62,104	64,654
Intangibles	2,707	2,452
Prepaid expenses	5,641	5,549
Lease right of use assets	13,326	17,888
Property and equipment	45,242	34,985
Deferred Tax Liabilities, Tax Deferred Income	66,916	60,874
Deferred tax liabilities, gross, noncurrent	(4,812)
Net deferred tax (liability) asset--noncurrent	0	3,780
Undistributed earnings of foreign subsidiaries	22,953
Unrecognized benefits and related interest and penalties
Unrecognized tax benefits	2,036	2,126	$ 1,022
Portion, if recognized, would reduce tax expense and effective tax rate	442	363
Accrued interest on unrecognized tax benefits	102	51
Reconciliation of unrecognized tax benefits
Balance, beginning of year	2,126	1,022	638
(Reductions) additions based on tax positions related to the current year	(48)	(1,205)	(436)
Additions for tax positions of prior years	30	0	39
Reductions for tax positions of prior years	0	22	0
Lapses in statutes of limitations	(72)	(79)	(91)
Balance, end of year	2,036	2,126	1,022
United States
Income before income taxes
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	45,397	90,977	99,116
Canada
Income before income taxes
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	$ 2,324	$ (1,786)	$ (1,879)