Arelle
Filing Index
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