XML 110 R93.htm IDEA: XBRL DOCUMENT v3.6.0.2
EMPLOYEE BENEFIT PLANS - Assumptions Used to Determine Benefit Obligations and Net Periodic Benefit Costs (Details)2
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Defined Benefit Plan Disclosure      
Benefit obligations, Discount rate 4.34% 4.48% 3.97%
Net periodic benefit cost, Discount rate 4.48% 3.97% 4.98%
Net periodic benefit cost, Expected long-term return on plan assets 7.00% 7.00% 7.00%
Maximum      
Defined Benefit Plan Disclosure      
Portfolio investment time horizon 15 years    
Minimum      
Defined Benefit Plan Disclosure      
Portfolio investment time horizon 5 years    
Equity Securities      
Defined Benefit Plan Disclosure      
Baseline allocation   60.00%  
Defined Benefit Plan, Target Plan Asset Allocations Range Minimum 35.00%    
Defined Benefit Plan, Target Plan Asset Allocations Range Maximum 75.00%    
Fixed Income      
Defined Benefit Plan Disclosure      
Baseline allocation 100.00% 40.00%  
Defined Benefit Plan, Target Plan Asset Allocations Range Minimum 25.00%    
Defined Benefit Plan, Target Plan Asset Allocations Range Maximum 60.00%