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EMPLOYEE BENEFIT PLANS (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2020
USD ($)
shares
Dec. 31, 2019
USD ($)
shares
Dec. 31, 2018
USD ($)
shares
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Plan Assets, Amount $ 89,744 $ 81,375  
Liability, Defined Benefit Pension Plan, Noncurrent (24,326) (31,080)  
Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax $ (22,690) $ (26,144) $ (27,777)
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets 7.00%    
Defined Benefit Plan, Equity Securities 100.00% 100.00%  
Defined Benefit Plan, Plan Assets, Employer, Related Party, Amount $ 800 $ 600  
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Historical Rate of Return, Equities 8.50%    
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Historical Rate of Return, Fixed Income Securities 4.00%    
Defined Benefit Plan, Expected Future Benefit Payments in Year One $ 9,180    
Defined Benefit Plan, Expected Future Benefit Payments in Year Two 8,088    
Defined Benefit Plan, Expected Future Benefit Payments in Year Three 8,032    
Defined Benefit Plan, Expected Future Benefit Payments in Year Four 7,889    
Defined Benefit Plan, Expected Future Benefit Payments in Year Five 7,669    
Defined Benefit Plan, Expected Future Benefit Payments in Five Fiscal Years Thereafter $ 35,111    
Defined Contribution Plan, Employer's Matching Contribution of Employee's Gross Pay Allowed to be Matched, Percent 50.00%    
Defined Contribution Plan, Employer Matching Contribution, Percent 6.00%    
Stock Issued During Period, Shares, Employee Benefit Plan | shares 653,211 266,121 54,517
Defined Contribution Plan, Cost $ 1,200 $ 1,200 $ 600
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year 3,200    
Money Market Funds [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Plan Assets, Amount $ 8,916 $ 5,453  
Equity Securities, U.S. [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Equity Securities [1] 61.00% 62.00%  
Fixed Income Funds [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Equity Securities 20.00% 22.00%  
Cash and Cash Equivalents [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Equity Securities 10.00% 7.00%  
Equity Securites, International [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Equity Securities [1] 7.00% 7.00%  
Equity Securites, REITs [Member] [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Equity Securities [1] 2.00% 2.00%  
Domestic Common Stock [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Plan Assets, Amount $ 35,951 $ 33,675  
Debt Security, Corporate, US [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 3,638 4,592  
525190 Other Insurance Funds [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 41,239 37,655  
Common Collective Trusts [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Plan Assets, Amount $ 0 $ 0  
Parent Common Stock [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Equity Securities 1.00% 1.00%  
Maximum [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Equity Securities 80.00%    
Maximum [Member] | Equity Securities, U.S. [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Target Allocation Percentage of Assets, Equity Securities 80.00%    
Maximum [Member] | Fixed Income Funds [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Target Allocation Percentage of Assets, Equity Securities 50.00%    
Maximum [Member] | Cash and Cash Equivalents [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Target Allocation Percentage of Assets, Equity Securities 20.00%    
Maximum [Member] | Equity Securites, International [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Target Allocation Percentage of Assets, Equity Securities [1] 16.00%    
Minimum [Member] | Equity Securities, U.S. [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Target Allocation Percentage of Assets, Equity Securities [1] 40.00%    
Minimum [Member] | Fixed Income Funds [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Target Allocation Percentage of Assets, Equity Securities 20.00%    
Minimum [Member] | Cash and Cash Equivalents [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Target Allocation Percentage of Assets, Equity Securities 0.00%    
Minimum [Member] | Equity Securites, International [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Target Allocation Percentage of Assets, Equity Securities [1] 0.00%    
Fair Value, Inputs, Level 1 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Plan Assets, Amount $ 88,915 $ 80,376  
Fair Value, Inputs, Level 1 [Member] | Money Market Funds [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 8,916 5,453  
Fair Value, Inputs, Level 1 [Member] | Domestic Common Stock [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 35,951 33,675  
Fair Value, Inputs, Level 1 [Member] | Debt Security, Corporate, US [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 3,638 4,592  
Fair Value, Inputs, Level 1 [Member] | 525190 Other Insurance Funds [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 40,410 36,656  
Fair Value, Inputs, Level 2 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 829 999  
Fair Value, Inputs, Level 2 [Member] | Money Market Funds [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 0 0  
Fair Value, Inputs, Level 2 [Member] | Domestic Common Stock [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 0 0  
Fair Value, Inputs, Level 2 [Member] | Debt Security, Corporate, US [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 0 0  
Fair Value, Inputs, Level 2 [Member] | 525190 Other Insurance Funds [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 829 999  
Fair Value, Inputs, Level 3 [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 0 0  
Fair Value, Inputs, Level 3 [Member] | Money Market Funds [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 0 0  
Fair Value, Inputs, Level 3 [Member] | Domestic Common Stock [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 0 0  
Fair Value, Inputs, Level 3 [Member] | Debt Security, Corporate, US [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 0 0  
Fair Value, Inputs, Level 3 [Member] | 525190 Other Insurance Funds [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Plan Assets, Amount 0 0  
Titan Tire, Bryan and Walcott Plans [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Benefit Obligation 96,800    
Defined Benefit Plan, Plan Assets, Amount $ 88,400    
Defined Contribution/401k Plans, Total [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Contribution/401k Plans, Number Sponsored by the Company 2    
Pension Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Benefit Obligation $ 114,940 113,559 108,513
Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment 0 (1,087)  
Defined Benefit Plan, Service Cost 801 765 626
Defined Benefit Plan, Interest Cost 3,496 4,385 4,330
Defined Benefit Plan, Accumulated Benefit Obligation, Increase (Decrease) for Plan Amendment 5,589    
Defined Benefit Plan, Actuarial Net (Gains) Losses 1,237 9,114  
Defined Benefit Plan, Benefit Obligation, Benefits Paid 8,634 8,516  
Defined Benefit Plan, Foreign Currency Exchange Rate Changes, Benefit Obligation (1,108) 385  
Defined Benefit Plan, Plan Assets, Amount 89,744 81,375 72,496
Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) 12,749 15,446  
Defined Benefit Plan, Plan Assets, Contributions by Employer 3,433 1,943  
Defined Benefit Plan, Benefits Paid (Deprecated 2017-01-31) (7,740) (8,516)  
Defined Benefit Plan, Plan Assets, Foreign Currency Translation Gain (Loss) (73) 6  
Defined Benefit Plan, Funded (Unfunded) Status of Plan (25,196) (32,184)  
Assets for Plan Benefits, Defined Benefit Plan 1,740 1,016  
Liability, Defined Benefit Pension Plan, Current (1,529) (2,120)  
Liability, Defined Benefit Pension Plan, Noncurrent (25,407) (31,080)  
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position (25,196) (32,184)  
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax 779 1,087  
Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax (33,877) (38,183)  
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Postretirement Benefits 11,181 10,952  
Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax $ (21,917) $ (26,144)  
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate 2.50% 3.20%  
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Benefit Obligations 7.00% 6.90%  
Defined Benefit Plan, Expected Return (Loss) on Plan Assets $ (5,463) $ (4,737) (5,959)
Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost (Credit) Recognized in Net Periodic Benefit Cost, before Tax (69) 49 137
Defined Benefit Plan, Amortization of Gain (Loss) 2,840 3,238 2,784
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) $ 1,605 $ 3,700 $ 1,918
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate 3.60% 5.00% 5.30%
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets 6.90% 6.90% 7.40%
Foreign Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Benefit Obligation $ 18,100    
Defined Benefit Plan, Plan Assets, Amount 1,300    
Defined Contribution Plan, Cost $ 3,700 $ 3,900 $ 4,100
Defined Contribution/401k Plans, Employees Covered by Collective Bargaining Arrangements [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Contribution/401k Plans, Number Sponsored by the Company 3    
[1] Total equities may not exceed 80% of total plan assets.