v3.26.1
Note 6 - Equity Investment - Investment Activity (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Beginning Balance $ 250,244  
Payments to Acquire Equity Method Investments 39,200 $ (0)
Ending Balance 281,477  
Net income 19,619 40,253
Sisecam Wyoming [Member]    
Net sales 127,335 153,309
Gross profit (loss) (4,731) 19,033
Net income (13,667) 11,764
Sisecam Wyoming [Member]    
Beginning Balance 250,244 257,355
Income (loss) allocation to NRP’s equity interests (1) [1] (6,697) 5,764
Amortization of basis difference (1,130) (1,153)
Payments to Acquire Equity Method Investments 39,200 0
Other comprehensive income (loss) (140) 2,260
Distributions 0 (2,940)
Ending Balance $ 281,477 $ 261,286
[1] Amounts reclassified into income (loss) out of accumulated other comprehensive loss were $1.6 million and $1.3 million for the three months ended March 31, 2026 and 2025, respectively.