XML 14 R1.htm IDEA: XBRL DOCUMENT v3.7.0.1
Document And Entity Information - USD ($)
6 Months Ended
Jun. 30, 2017
Aug. 09, 2017
Jun. 30, 2015
Document Information [Line Items]      
Entity Registrant Name TETRA TECHNOLOGIES INC    
Entity Central Index Key 0000844965    
Current Fiscal Year End Date --12-31    
Entity Filer Category Accelerated Filer    
Entity Public Float     $ 469,749,193
Entity Common Stock Shares Outstanding   115,897,838  
Document Fiscal Year Focus 2017    
Document Fiscal Period Focus Q2    
Document Type 10-Q    
Amendment Flag false    
Document Period End Date Jun. 30, 2017