XML 98 R1.htm IDEA: XBRL DOCUMENT v3.25.0.1
Document And Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2024
Feb. 14, 2025
Jun. 30, 2024
Document Information [Line Items]      
Entity Central Index Key 0001171486    
Entity Registrant Name NATURAL RESOURCE PARTNERS LP    
Amendment Flag false    
Current Fiscal Year End Date --12-31    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2024    
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2024    
Document Transition Report false    
Entity File Number 001-31465    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 35-2164875    
Entity Address, Address Line One 1415 Louisiana Street, Suite 3325    
Entity Address, City or Town Houston    
Entity Address, State or Province TX    
Entity Address, Postal Zip Code 77002    
City Area Code 713    
Local Phone Number 751-7507    
Title of 12(b) Security Common Units representing limited partner interests    
Trading Symbol NRP    
Security Exchange Name NYSE    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 889,000,000
Entity Common Stock, Shares Outstanding   13,138,097  
Auditor Firm ID 42    
Auditor Name Ernst & Young LLP    
Auditor Location Houston, Texas