Reportable Segment (Details) $ in Thousands |
3 Months Ended | 9 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
|
Sep. 30, 2026
USD ($)
|
Jun. 30, 2026
USD ($)
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Mar. 31, 2026
USD ($)
|
Sep. 30, 2025
USD ($)
|
Jun. 30, 2025
USD ($)
|
Mar. 31, 2025
USD ($)
|
Sep. 30, 2026
USD ($)
segment
|
Sep. 30, 2025
USD ($)
|
|
| Business segments | ||||||||
| Number of reportable segment | segment | 1 | |||||||
| Revenues | $ 106,188 | $ 102,016 | $ 293,147 | $ 284,787 | ||||
| Depreciation, depletion, and amortization | 6,311 | 6,075 | 19,195 | 18,233 | ||||
| Selling, general, and administrative expenses | 6,066 | 5,927 | 18,102 | 18,378 | ||||
| Other (income) expense, net | (3,800) | (3,416) | (10,403) | (9,605) | ||||
| Income tax expense | 10,460 | 10,896 | 28,409 | 27,724 | ||||
| Net income | 38,042 | $ 34,510 | $ 30,582 | 38,782 | $ 30,831 | $ 34,113 | 103,134 | 103,726 |
| Lime and limestone operations | ||||||||
| Business segments | ||||||||
| Revenues | 106,188 | 102,016 | 293,147 | 284,787 | ||||
| Fuel, energy, and transportation | 29,358 | 24,075 | 78,269 | 68,467 | ||||
| Depreciation, depletion, and amortization | 6,311 | 6,075 | 19,195 | 18,233 | ||||
| Outside services, maintenance, and supplies | 8,903 | 8,802 | 24,127 | 26,267 | ||||
| Personnel expenses, cost of revenues | 8,457 | 8,375 | 24,932 | 24,610 | ||||
| Other cost of revenues | 2,391 | 2,500 | 7,382 | 6,987 | ||||
| Selling, general, and administrative expenses | 6,066 | 5,927 | 18,102 | 18,378 | ||||
| Other (income) expense, net | (3,800) | (3,416) | (10,403) | (9,605) | ||||
| Income tax expense | 10,460 | 10,896 | 28,409 | 27,724 | ||||
| Net income | $ 38,042 | $ 38,782 | $ 103,134 | $ 103,726 | ||||
| X | ||||||||||
- Definition Amount of expense for allocation of cost of tangible and intangible assets over their useful lives, and reduction in quantity of natural resource due to consumption directly used in production of good and rendering of service. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Costs of maintenance supplies used that are directly related to goods produced and sold, or services rendered, during the reporting period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of expense pursuant to fuel, energy, and transportation. No definition available.
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| X | ||||||||||
- Definition Amount of expense pursuant to personnel. No definition available.
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| X | ||||||||||
- Details
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