Consolidated Statements of Stockholders' Equity (USD $)
In Thousands, except Share data
Total
USD ($)
Class A Common Stock [Member]
USD ($)
IPO [Member]
USD ($)
IPO [Member]
Class A Common Stock [Member]
USD ($)
Controlling Interest [Member]
USD ($)
Controlling Interest [Member]
Class A Common Stock [Member]
USD ($)
Controlling Interest [Member]
Class A Common Stock [Member]
USD ($)
Controlling Interest [Member]
Class A Common Stock [Member]
Controlling Interest [Member]
Class B Common Stock [Member]
USD ($)
Controlling Interest [Member]
Additional Paid-in Capital [Member]
USD ($)
Controlling Interest [Member]
Additional Paid-in Capital [Member]
Class A Common Stock [Member]
USD ($)
Controlling Interest [Member]
Capital [Member]
USD ($)
Controlling Interest [Member]
Accumulated Income (Deficit) [Member]
USD ($)
Controlling Interest [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
USD ($)
Controlling Interest [Member]
Contribution Transactions [Member]
Class A Common Stock [Member]
USD ($)
Controlling Interest [Member]
Contribution Transactions [Member]
Class B Common Stock [Member]
USD ($)
Controlling Interest [Member]
Contribution Transactions [Member]
Additional Paid-in Capital [Member]
USD ($)
Controlling Interest [Member]
Contribution Transactions [Member]
Capital [Member]
USD ($)
Controlling Interest [Member]
Contribution Transactions [Member]
Accumulated Income (Deficit) [Member]
USD ($)
Controlling Interest [Member]
IPO [Member]
USD ($)
Controlling Interest [Member]
IPO [Member]
Class A Common Stock [Member]
USD ($)
Controlling Interest [Member]
IPO [Member]
Class A Common Stock [Member]
USD ($)
Controlling Interest [Member]
IPO [Member]
Additional Paid-in Capital [Member]
USD ($)
Controlling Interest [Member]
IPO [Member]
Additional Paid-in Capital [Member]
Class A Common Stock [Member]
USD ($)
Noncontrolling Interest [Member]
USD ($)
Noncontrolling Interest [Member]
Capital [Member]
USD ($)
Noncontrolling Interest [Member]
Accumulated Income (Deficit) [Member]
USD ($)
Noncontrolling Interest [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
USD ($)
Balance at Dec. 31, 2012 $ 589,412       $ 514,111         $ 1   $ 545,471 $ 2,903 $ (34,264)                     $ 75,301 $ 74,177 $ 12,366 $ (11,242)
Balance, shares at Dec. 31, 2012             100                                          
Contribution 32,677       32,677             32,677                                
Deemed distribution for Contribution Transactions (106,060)       (104,634)             (104,634)                         (1,426) (1,426)    
Additional paid-in capital 2       2         2                                    
Net income (loss) 29,605       30,295               30,295                       (690)   (690)  
Other comprehensive income, net of tax 24,192       20,633                 20,633                     3,559     3,559
Balance at Sep. 30, 2013 569,828       493,084         3   473,514 33,198 (13,631)                     76,744 72,751 11,676 (7,683)
Balance, shares at Sep. 30, 2013             100                                          
Interest in Gulf Wind retained by Pattern Development         (28,584)             (18,332) (13,122) 2,870                     28,584 18,332 13,122 (2,870)
Issuance of Class A restricted common stock 156       156   1     155                                    
Assumption of liabilities related to Contribution Transactions (4,207)       (4,207)             (4,207)                                
Issuance of Class A restricted common stock, shares             83,183                                          
Issuance of common stock   93   317,042   93         93       194 156 470,701 (450,975) (20,076)   317,042 160   316,882        
Issuance of common stock, shares               3,437             19,445,000 15,555,000           16,000,000            
Deemed distribution for Contribution Transactions (232,640)       (232,640)         (232,640)                                    
Repurchase of shares for employee tax withholding (24)       (24)         (24)                                    
Repurchase of shares for employee tax withholding, shares             (934)                                          
Stock-based compensation 263       263         263                                    
Dividends declared on Class A common stock (11,103)       (11,103)         (11,103)                                    
Acquisition from Pattern Development (57,852)       (57,852)         (54,942)       (2,910)                            
Distribution to noncontrolling interest (866)                                               (866) (866)    
Net income (loss) (19,533)       (13,336)               (13,336)                       (6,197)   (6,197)  
Other comprehensive income, net of tax 6,847       5,318                 5,318                     1,529     1,529
Balance at Dec. 31, 2013 568,004       468,210   355   156 489,388     (13,336) (8,353)                     99,794 90,217 18,601 (9,024)
Balance, shares at Dec. 31, 2013             35,530,786   15,555,000                                      
Issuance of Class A restricted common stock 381       381   2     379                                    
Issuance of Class A restricted common stock, shares             173,287                                          
Repurchase of shares for employee tax withholding (26)       (26)         (26)                                    
Repurchase of shares for employee tax withholding, shares             (939)                                          
Stock-based compensation 152       152         152                                    
Refund of issuance costs related to the IPO     125                                 125     125          
Dividends declared on Class A common stock (11,157) (11,179)     (11,157)         (11,157)                                    
Net income (loss) (21,899)       (14,889)               (14,889)                       (7,010)   (7,010)  
Other comprehensive income, net of tax (14,090)       (14,184)                 (14,184)                     94     94
Balance at Mar. 31, 2014 $ 521,490       $ 428,612   $ 357   $ 156 $ 478,861     $ (28,225) $ (22,537)                     $ 92,878 $ 90,217 $ 11,591 $ (8,930)
Balance, shares at Mar. 31, 2014             35,703,134   15,555,000