Annual report pursuant to Section 13 and 15(d)

Earnings Per Share (Details)

v2.4.1.9
Earnings Per Share (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Apr. 02, 2013
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]                        
Net income from continuing operations $ (36,963)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest $ 193,590us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest $ 39,657us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest $ (29,145)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest $ 238,679us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest $ (193,599)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest $ 387,621us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest $ 142,339us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest $ 167,139us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest $ 575,040us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest $ 287,416us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest  
Income (loss) from discontinued operations 0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax 0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax 0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax 0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax 735us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax 871us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax 1,016us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax 1,377us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax 0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax 3,999us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax 4,490us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax  
Net income $ (36,963)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ 193,590us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ 39,657us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ (29,145)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ 239,414us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ (192,728)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ 388,637us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ 143,716us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ 167,139us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ 579,039us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ 291,906us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic  
Weighted Average Number of Shares Outstanding                 364,181,059two_WeightedAverageNumberOfSharesOutstanding 349,741,902two_WeightedAverageNumberOfSharesOutstanding 241,975,433two_WeightedAverageNumberOfSharesOutstanding  
Weighted Average Number of Shares, Restricted Stock                 1,830,796us-gaap_WeightedAverageNumberOfSharesRestrictedStock 619,925us-gaap_WeightedAverageNumberOfSharesRestrictedStock 39,318us-gaap_WeightedAverageNumberOfSharesRestrictedStock  
Basic weighted average number of shares of common stock                 366,011,855us-gaap_WeightedAverageNumberOfSharesOutstandingBasic 350,361,827us-gaap_WeightedAverageNumberOfSharesOutstandingBasic 242,014,751us-gaap_WeightedAverageNumberOfSharesOutstandingBasic  
Dilutive weighted average warrants                 0us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment 630,560us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment 417,405us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment  
Diluted weighted average number of shares of common stock                 366,011,855us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding 350,992,387us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding 242,432,156us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding  
Earnings Per Share, Basic [Abstract]                        
Continuing operations $ (0.10)us-gaap_IncomeLossFromContinuingOperationsPerBasicShare $ 0.53us-gaap_IncomeLossFromContinuingOperationsPerBasicShare $ 0.11us-gaap_IncomeLossFromContinuingOperationsPerBasicShare $ (0.08)us-gaap_IncomeLossFromContinuingOperationsPerBasicShare $ 0.66us-gaap_IncomeLossFromContinuingOperationsPerBasicShare $ (0.53)us-gaap_IncomeLossFromContinuingOperationsPerBasicShare $ 1.06us-gaap_IncomeLossFromContinuingOperationsPerBasicShare $ 0.47us-gaap_IncomeLossFromContinuingOperationsPerBasicShare $ 0.46us-gaap_IncomeLossFromContinuingOperationsPerBasicShare $ 1.64us-gaap_IncomeLossFromContinuingOperationsPerBasicShare $ 1.19us-gaap_IncomeLossFromContinuingOperationsPerBasicShare  
Discontinued operations $ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare $ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare $ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare $ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare $ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare $ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare $ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare $ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare $ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare $ 0.01us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare $ 0.02us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare  
Net income $ (0.10)us-gaap_EarningsPerShareBasic $ 0.53us-gaap_EarningsPerShareBasic $ 0.11us-gaap_EarningsPerShareBasic $ (0.08)us-gaap_EarningsPerShareBasic $ 0.66us-gaap_EarningsPerShareBasic $ (0.53)us-gaap_EarningsPerShareBasic $ 1.06us-gaap_EarningsPerShareBasic $ 0.47us-gaap_EarningsPerShareBasic $ 0.46us-gaap_EarningsPerShareBasic $ 1.65us-gaap_EarningsPerShareBasic $ 1.21us-gaap_EarningsPerShareBasic  
Earnings Per Share, Diluted [Abstract]                        
Continuing operations $ (0.10)us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare $ 0.53us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare $ 0.11us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare $ (0.08)us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare $ 0.66us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare $ (0.53)us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare $ 1.06us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare $ 0.47us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare $ 0.46us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare $ 1.64us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare $ 1.18us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare  
Discontinued operations $ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare $ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare $ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare $ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare $ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare $ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare $ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare $ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare $ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare $ 0.01us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare $ 0.02us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare  
Net income $ (0.10)us-gaap_EarningsPerShareDiluted $ 0.53us-gaap_EarningsPerShareDiluted $ 0.11us-gaap_EarningsPerShareDiluted $ (0.08)us-gaap_EarningsPerShareDiluted $ 0.66us-gaap_EarningsPerShareDiluted $ (0.53)us-gaap_EarningsPerShareDiluted $ 1.06us-gaap_EarningsPerShareDiluted $ 0.47us-gaap_EarningsPerShareDiluted $ 0.46us-gaap_EarningsPerShareDiluted $ 1.65us-gaap_EarningsPerShareDiluted $ 1.20us-gaap_EarningsPerShareDiluted  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights                       1.0727us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights