Summary of Significant Accounting Policies - Additional Disclosures (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Additions and write-offs to the company's allowance for doubtful accounts
Beginning balance	$ 550	$ 450
Additions	49	108
Write-offs	(24)	(8)
Ending balance	575	550	$ 450
Lime and limestone inventories:
Raw materials	7,834	5,506
Finished goods	3,107	2,951
Total	10,941	8,457
Parts inventories	13,372	11,122
Total inventories	24,313	19,579
Supplemental cash flow information
Interest	196	113	151
Income taxes	17,994	7,827	9,483
Revenue Recognition
External freight billed to customers included in revenue	$ 46,270	$ 44,233	$ 34,307