HEARTLAND EXPRESS INC
COMPANY
8-K
FORM
2021-11-24
FILING DATE
2021-11-22
PERIOD END
22
FACTS
SIC 4213
Filing Software Workiva
CIK 0000799233
Taxonomy DEI 2021  
SIC 4213
CIK 0000799233
Filing Software Workiva
Taxonomy DEI 2021  
Standard Concepts
22
Extended Concepts
0
0%
Extended Concepts
Errors
0
What are errors?
What are errors?
Indicate problems with an XBRL formatted filing that are sufficient grounds for SEC rejection of the XBRL portion of the filing.
SEC: Filing | Interactive Data