|
GENERAL INFORMATION (Details 2) (USD $)
In Thousands, except Share data, unless otherwise specified |
1 Months Ended | 1 Months Ended | 9 Months Ended | 1 Months Ended | 1 Months Ended | 9 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Mar. 31, 2010
|
May 31, 2012
Credit Facility
|
Nov. 30, 2010
Credit Facility
|
Apr. 16, 2010
Credit Facility
|
Mar. 31, 2010
Genco
|
Sep. 30, 2012
Genco
|
Dec. 31, 2011
Genco
|
Mar. 15, 2010
Genco
|
Sep. 30, 2012
Genco
Minimum
|
Mar. 31, 2010
Capital Stock
Genco
|
Sep. 30, 2012
Class B Stock
|
Dec. 31, 2011
Class B Stock
|
Mar. 31, 2010
Class B Stock
Genco
|
Sep. 30, 2012
Class B Stock
Genco
|
Dec. 31, 2011
Class B Stock
Genco
|
Aug. 01, 2012
Class B Stock
Genco
Credit Facility
Amendment of credit facility
|
|
| GENERAL INFORMATION | ||||||||||||||||
| Issuance of common shares | 16,300,000 | |||||||||||||||
| Issue price (in dollars per share) | $ 14.00 | |||||||||||||||
| Gross proceeds from issuance of common shares | $ 228,200 | |||||||||||||||
| Net proceeds after underwriting commissions and other registration expenses | 210,430 | |||||||||||||||
| Shares held by parent | 5,699,088 | 5,699,088 | ||||||||||||||
| Ownership interest held (as a percent) | 25.09% | 25.11% | 25.35% | |||||||||||||
| Ownership interest held (as a percent) | 10.00% | |||||||||||||||
| Aggregate voting power held (as a percent) | 83.40% | 83.41% | 83.59% | |||||||||||||
| Capital contribution | 75,000 | |||||||||||||||
| Number of shares included in exchange | 100 | 5,699,088 | 5,699,088 | |||||||||||||
| Percentage of additional shares to be received | 2.00% | |||||||||||||||
| Maximum borrowing capacity | $ 135,000 | $ 150,000 | $ 100,000 | $ 1,400,000 |