XML 22 R40.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Stock-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2019
Share-based Payment Arrangement [Abstract]  
Schedule of restricted stock activity
The activity for equity awards held by Arcosa employees for the year ended December 31, 2019 was as follows:
 
Trinity Equity Awards Held by Arcosa Employees
 
Arcosa Equity Awards Held by Arcosa Employees
 
Weighted Average Grant-Date
Fair Value per Award
Equity awards outstanding at December 31, 2018
1,156,959

 
1,066,165

 
$
21.12

Granted
—

 
417,008

 
36.21

Vested
(293,239
)
 
(198,762
)
 
20.17

Forfeited
(39,735
)
 
(59,743
)
 
25.60

Equity awards outstanding at December 31, 2019
823,985

 
1,224,668

 
$
24.20