v3.26.1
Common Unit-Based Compensation Plan (Tables)
6 Months Ended
Jun. 30, 2026
ARLP LTIP  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]  
Summary of non-vested share activity

  ​ ​ ​

Number of units

 

Weighted average grant date fair value per unit

 

Intrinsic value

 

(in thousands)

Non-vested grants at January 1, 2026

1,192,243

$

22.58

$

27,696

Granted (1)

 

431,501

25.80

Vested (2)

 

(400,722)

 

21.54

Forfeited

 

(91,086)

 

23.34

Non-vested grants at June 30, 2026

 

1,131,936

 

24.12

27,144

(1)The restricted units granted during 2026 have certain minimum-value guarantees per unit, regardless of whether the awards vest.
(2)During the six months ended June 30, 2026, we issued 230,777 unrestricted common units to the LTIP participants.  The remaining vested units were withheld to satisfy tax withholdings.