|
Consolidated Statement of Stockholders' Equity (Unaudited) (USD $)
In Thousands, except Share data |
Total
USD ($)
|
Class A Common Stock [Member]
USD ($)
|
Class B Convertible Common Stock [Member]
USD ($)
|
IPO [Member]
Class A Common Stock [Member]
USD ($)
|
E1 Arrayan [Member]
USD ($)
|
Controlling Interest [Member]
USD ($)
|
Controlling Interest [Member]
Class A Common Stock [Member]
USD ($)
|
Controlling Interest [Member]
Class B Convertible Common Stock [Member]
USD ($)
|
Controlling Interest [Member]
IPO [Member]
Class A Common Stock [Member]
USD ($)
|
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]
Contribution Transactions [Member]
USD ($)
|
Controlling Interest [Member]
Class A Common Stock [Member]
IPO [Member]
|
Controlling Interest [Member]
Class B Common Stock [Member]
USD ($)
|
Controlling Interest [Member]
Class B Common Stock [Member]
Contribution Transactions [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 ($)
|
Controlling Interest [Member]
Additional Paid-in Capital [Member]
Class B Convertible Common Stock [Member]
USD ($)
|
Controlling Interest [Member]
Additional Paid-in Capital [Member]
Contribution Transactions [Member]
USD ($)
|
Controlling Interest [Member]
Additional Paid-in Capital [Member]
IPO [Member]
Class A Common Stock [Member]
USD ($)
|
Controlling Interest [Member]
Capital [Member]
USD ($)
|
Controlling Interest [Member]
Capital [Member]
Contribution Transactions [Member]
USD ($)
|
Controlling Interest [Member]
Accumulated Income (Deficit) [Member]
USD ($)
|
Controlling Interest [Member]
Accumulated Income (Deficit) [Member]
Contribution Transactions [Member]
USD ($)
|
Controlling Interest [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
USD ($)
|
Noncontrolling Interest [Member]
USD ($)
|
Noncontrolling Interest [Member]
E1 Arrayan [Member]
USD ($)
|
Noncontrolling Interest [Member]
Capital [Member]
USD ($)
|
Noncontrolling Interest [Member]
Capital [Member]
E1 Arrayan [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 | ||||||||||||||||||||||||||||
| Distribution to noncontrolling interest | (1,426) | ||||||||||||||||||||||||||||||
| Net income (loss) | 29,447 | 30,295 | 30,295 | (690) | (690) | ||||||||||||||||||||||||||
| Other comprehensive (loss) 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) | |||||||||||||||||||||||
| Assumption of liabilities related to Contribution Transactions | (4,207) | (4,207) | (4,207) | ||||||||||||||||||||||||||||
| Deemed distribution for Contribution Transactions | (232,640) | (232,640) | (232,640) | ||||||||||||||||||||||||||||
| Issuance of common stock | 317,042 | 93 | 317,042 | 93 | 160 | 194 | 156 | 316,882 | 93 | 470,701 | (450,975) | (20,076) | |||||||||||||||||||
| Issuance of common stock, shares | 16,000,000 | 3,437 | 19,445,000 | 15,555,000 | |||||||||||||||||||||||||||
| Issuance of Class A restricted common stock | 156 | 156 | 1 | 155 | |||||||||||||||||||||||||||
| Issuance of Class A restricted common stock, shares | 83,183 | ||||||||||||||||||||||||||||||
| 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 (loss) 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 | 35,530,786 | 15,555,000 | ||||||||||||||||||||||||||||
| Issuance of common stock related to the public offering, net of issuance costs | 286,819 | 286,819 | 108 | 286,711 | |||||||||||||||||||||||||||
| Issuance of common stock related to the public offering, shares | 10,810,810 | ||||||||||||||||||||||||||||||
| Issuance of common stock | 273 | 273 | 273 | ||||||||||||||||||||||||||||
| Issuance of common stock, shares | 12,431 | ||||||||||||||||||||||||||||||
| Issuance of Class A restricted common stock | 2,671 | 2,671 | 2 | 2,669 | |||||||||||||||||||||||||||
| Issuance of Class A restricted common stock, shares | 175,915 | ||||||||||||||||||||||||||||||
| Repurchase of shares for employee tax withholding | (380) | (380) | (380) | ||||||||||||||||||||||||||||
| Repurchase of shares for employee tax withholding, shares | (11,780) | ||||||||||||||||||||||||||||||
| Stock-based compensation | 457 | 457 | 457 | ||||||||||||||||||||||||||||
| Refund of issuance costs related to the IPO | 163 | 163 | 163 | ||||||||||||||||||||||||||||
| Dividends declared on Class A common stock | (41,395) | (41,395) | (41,395) | (41,395) | |||||||||||||||||||||||||||
| Recognition of beneficial conversion feature on Class B convertible common stock | (21,901) | (21,901) | (21,901) | ||||||||||||||||||||||||||||
| Acquisition from Pattern Development | 35,259 | 35,259 | 35,259 | ||||||||||||||||||||||||||||
| Adjustment to paid-in capital for beneficial conversion feature recognition | 21,901 | 21,901 | 21,901 | ||||||||||||||||||||||||||||
| Accretion of the Class B beneficial conversion feature | 14,679 | 14,679 | 14,679 | ||||||||||||||||||||||||||||
| Deemed dividends on Class B common shares | (14,679) | (14,679) | (14,679) | ||||||||||||||||||||||||||||
| Sale of Class A membership interests in Panhandle 1 | 210,250 | 210,250 | 210,250 | ||||||||||||||||||||||||||||
| Contribution from noncontrolling interest | 2,550 | 2,550 | 2,550 | ||||||||||||||||||||||||||||
| Distribution to noncontrolling interest | (1,470) | (1,470) | (1,470) | ||||||||||||||||||||||||||||
| Net income (loss) | (24,013) | (10,898) | (10,898) | (13,115) | (13,115) | ||||||||||||||||||||||||||
| Other comprehensive (loss) income, net of tax | (20,904) | (22,014) | (22,014) | 1,110 | 1,110 | ||||||||||||||||||||||||||
| Balance at Sep. 30, 2014 | 1,018,284 | 683,906 | 465 | 156 | 737,886 | (24,234) | (30,367) | 334,378 | 336,806 | 5,486 | (7,914) | ||||||||||||||||||||
| Balance, shares at Sep. 30, 2014 | 46,518,162 | 46,518,162 | 15,555,000 | ||||||||||||||||||||||||||||
| Balance at Jun. 30, 2014 | |||||||||||||||||||||||||||||||
| Dividends declared on Class A common stock | (15,258) | ||||||||||||||||||||||||||||||
| Net income (loss) | (9,281) | ||||||||||||||||||||||||||||||
| Other comprehensive (loss) income, net of tax | (4,283) | ||||||||||||||||||||||||||||||
| Balance at Sep. 30, 2014 | $ 1,018,284 | $ 156 | |||||||||||||||||||||||||||||
| Balance, shares at Sep. 30, 2014 | 46,518,162 | 15,555,000 |