XML 216 R160.htm IDEA: XBRL DOCUMENT v3.6.0.2
Income Taxes (Effective Income Tax Reconciliation) (Details) - project
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Aug. 22, 2014
Jun. 25, 2014
Effective Income Tax Rate Reconciliation, Amount [Abstract]          
Statutory Federal tax rate 35.00% 35.00% 35.00%    
State taxes, net of Federal tax benefit (24.00%) (5.00%) (1.00%)    
Taxes on foreign earnings 215.00% (3.00%) 15.00%    
Valuation allowance 14.00% (4.00%) (1.00%)    
Uncertain tax positions 10.00% (1.00%) 0.00%    
Noncontrolling Interest on Buffalo Gap impairments 42.00% 3.00% 0.00%    
Change in tax law 16.00% 0.00% 4.00%    
Goodwill impairment 0.00% 10.00% 4.00%    
Other—net (15.00%) 0.00% 0.00%    
Effective tax rate (137.00%) 41.00% 26.00%    
Masinloc Subsidiary [Member]          
Effective Income Tax Rate Reconciliation, Amount [Abstract]          
Component of taxes on foreign earnings (9.00%)        
Investment In Affiliate Ownership Percentage Sold         45.00%
UK Wind Projects          
Effective Income Tax Rate Reconciliation, Amount [Abstract]          
Number of U.K. Wind Projects Sold       4  
Brazil subsidiary [Member]          
Effective Income Tax Rate Reconciliation, Amount [Abstract]          
Taxes on foreign earnings (151.00%)