Quarterly report pursuant to Section 13 or 15(d)

RESTATEMENT OF UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS (Details)

v3.7.0.1
RESTATEMENT OF UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2015
Retained Earnings [Member]          
Consolidated Balance Sheets (unaudited) [Abstract]          
Total Equity $ 109,293 [1]   $ 109,293 [1]   $ 89,018
Consolidated Statement of Stockholders' Equity (unaudited) [Abstract]          
Net income [1]     20,275    
Balance 109,293 [1]   109,293 [1]   89,018
Total [Member]          
Consolidated Balance Sheets (unaudited) [Abstract]          
Total Equity 164,264 [1]   164,264 [1]   142,096
Consolidated Statement of Stockholders' Equity (unaudited) [Abstract]          
Net income [1]     20,275    
Balance 164,264 [1]   164,264 [1]   142,096
Investment in AMAK 53,127 [1]   53,127 [1]   47,697
Total assets 283,506 [1]   283,506 [1]   257,791
Deferred Income Taxes 22,941 [1]   22,941 [1]   16,503
Total Liabilities 118,953 [1]   118,953 [1]   115,406
Retained Earnings 109,293 [1]   109,293 [1]   89,018
Total Trecora Resources Stockholders' Equity 164,264 [1]   164,264 [1]   142,096
Total Equity 164,553 [1]   164,553 [1]   142,385
Total Liabilities and Equity 283,506 [1]   283,506 [1]   257,791
Equity in earnings (loss) of AMAK (2,089) [1] $ (2,054) 2,261 [1] $ (2,364)  
Gain on Additional Equity Issuance by AMAK 3,168 [1] 0 3,168 [1] 0  
Total other income (expense) 439 [1] (2,582) 15,213 [1] (4,076)  
Income before income taxes 4,567 [1] 8,481 31,382 [1] 26,211  
Income tax expense 1,768 [1] 3,163 11,107 [1] 8,735  
Net income attributable to Trecora Resources $ 2,799 [1] $ 5,318 $ 20,275 [1] $ 17,476  
Basic earnings per common share (in dollars per share) $ 0.12 [1] $ 0.22 $ 0.83 [1] $ 0.72  
Diluted earnings per common share (in dollars per share) $ 0.11 [1] $ 0.21 $ 0.81 [1] $ 0.69  
Net income $ 2,799 [1] $ 5,318 $ 20,275 [1] $ 17,476  
Balance 164,553 [1]   164,553 [1]   $ 142,385
Operating Activities [Abstract]          
Net Income 2,799 [1] 5,318 20,275 [1] 17,476  
Deferred income taxes     6,851 [1] (231)  
Equity in earnings (loss) of AMAK 2,089 [1] 2,054 (2,261) [1] 2,364  
Gain on Additional Equity Issuance by AMAK (3,168) [1] $ 0 (3,168) [1] $ 0  
Reduction Amount of Equity Earnings [Member]          
Consolidated Statements of Income (unaudited) [Abstract]          
Equity in earnings (loss) of AMAK     2,800    
Operating Activities [Abstract]          
Equity in earnings (loss) of AMAK     (2,800)    
As Reported [Member] | Retained Earnings [Member]          
Consolidated Balance Sheets (unaudited) [Abstract]          
Total Equity 109,066   109,066    
Consolidated Statement of Stockholders' Equity (unaudited) [Abstract]          
Balance 109,066   109,066    
As Reported [Member] | Total [Member]          
Consolidated Balance Sheets (unaudited) [Abstract]          
Total Equity 164,037   164,037    
Consolidated Statement of Stockholders' Equity (unaudited) [Abstract]          
Balance 164,037   164,037    
As Reported [Member]          
Consolidated Balance Sheets (unaudited) [Abstract]          
Investment in AMAK 52,776   52,776    
Total assets 283,155   283,155    
Deferred Income Taxes 22,817   22,817    
Total Liabilities 118,829   118,829    
Retained Earnings 109,066   109,066    
Total Trecora Resources Stockholders' Equity 164,037   164,037    
Total Equity 164,326   164,326    
Total Liabilities and Equity 283,155   283,155    
Consolidated Statements of Income (unaudited) [Abstract]          
Equity in earnings (loss) of AMAK (2,089)   5,079    
Gain on Additional Equity Issuance by AMAK 0   0    
Total other income (expense) (2,729)   14,863    
Income before income taxes 1,399   31,032    
Income tax expense 659   10,984    
Net income attributable to Trecora Resources $ 740   $ 20,048    
Basic earnings per common share (in dollars per share) $ 0.03   $ 0.82    
Diluted earnings per common share (in dollars per share) $ 0.03   $ 0.80    
Consolidated Statement of Stockholders' Equity (unaudited) [Abstract]          
Net income     $ 20,048    
Balance $ 164,326   164,326    
Operating Activities [Abstract]          
Net Income 740   20,048    
Deferred income taxes     6,728    
Equity in earnings (loss) of AMAK 2,089   (5,079)    
Gain on Additional Equity Issuance by AMAK $ 0   $ 0    
[1] Restated - See Note 3.