Quarterly report pursuant to Section 13 or 15(d)

INVESTMENTS IN RESIDENTIAL MORTGAGE LOANS - Narrative (Details)

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INVESTMENTS IN RESIDENTIAL MORTGAGE LOANS - Narrative (Details) (USD $)
9 Months Ended 9 Months Ended 0 Months Ended 0 Months Ended 9 Months Ended 9 Months Ended 0 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Jul. 08, 2014
May 13, 2014
May 12, 2014
Dec. 31, 2013
Sep. 30, 2014
Reverse Mortgage Loans
Feb. 27, 2013
Reverse Mortgage Loans
Dec. 31, 2012
Reverse Mortgage Loans
Aug. 25, 2014
Non-Performing Loans Held-For-Investment
May 28, 2014
Non-Performing Loans Held-For-Investment
May 27, 2014
Non-Performing Loans Held-For-Investment
Apr. 04, 2014
Non-Performing Loans Held-For-Investment
Mar. 28, 2014
Non-Performing Loans Held-For-Investment
Jan. 15, 2014
Non-Performing Loans Held-For-Investment
May 28, 2014
Non-Performing Loans Held-For-Investment
May 27, 2014
Non-Performing Loans Held-For-Investment
Apr. 04, 2014
Non-Performing Loans Held-For-Investment
Jan. 15, 2014
Non-Performing Loans Held-For-Investment
Credit Suisse
Repurchase Agreements
Mar. 28, 2014
Non-Performing Loans Held-For-Investment
Royal Bank of Scotland
Repurchase Agreements
Aug. 25, 2014
Performing and Non-Performing Loans Held-For-Investment
Aug. 12, 2014
Performing and Non-Performing Loans Held-For-Investment
Jun. 24, 2014
Performing and Non-Performing Loans Held-For-Investment
May 27, 2014
Performing and Non-Performing Loans Held-For-Investment
Aug. 25, 2014
Performing and Non-Performing Loans Held-For-Investment
Aug. 12, 2014
Performing and Non-Performing Loans Held-For-Investment
Jun. 24, 2014
Performing and Non-Performing Loans Held-For-Investment
May 27, 2014
Performing and Non-Performing Loans Held-For-Investment
Sep. 30, 2014
Performing Loans
May 27, 2014
Performing Loans
Sep. 30, 2014
Purchased Credit Impaired Loans
pools
Sep. 30, 2014
Residential Mortgage Loans(E)
Aug. 25, 2014
Non-Agency RMBS
Investment
May 27, 2014
Non-Agency RMBS
Investment
Oct. 28, 2014
Subsequent Event
Oct. 10, 2014
Subsequent Event
Performing Loans
Oct. 09, 2014
Subsequent Event
Performing Loans
Oct. 03, 2014
Subsequent Event
Performing Loans
Oct. 10, 2014
Subsequent Event
Performing Loans
Oct. 09, 2014
Subsequent Event
Performing Loans
Oct. 03, 2014
Subsequent Event
Performing Loans
Mortgage Loans on Real Estate [Line Items]                                                                                  
Loan portfolio, amount                 $ 83,100,000             $ 500,300,000 $ 48,400,000 $ 17,800,000             $ 530,100,000 $ 111,800,000 $ 82,300,000 $ 283,600,000                     $ 254,900,000 $ 386,800,000 $ 463,600,000
Payments to acquire loans 1,357,268,000 0                 373,100,000 40,100,000 15,500,000               536,300,000 86,700,000 58,900,000 288,500,000                       188,800,000 357,900,000 493,400,000      
Payments to acquire other real estate 6,314,000 0               3,000,000   1,300,000                     2,100,000                                    
Gain (Loss) on Securitization of Financial Assets                         11,300,000                     2,600,000                           1,200,000      
Loan count                                                                 19 16              
Principal Amount Outstanding on Loans Securitized or Asset-backed Financing Arrangement                                                           233,800,000                      
Percentage of Investment co-owned by Nationstar     33.30%   33.30%     30.00%                                                                  
Residential mortgage loans, held-for-investment 629,398,000         33,539,000   35,100,000                                                                  
Interest in Excess MSR     32.50% 33.30%       70.00%                                                                  
Purchases of non-performing loans             0             3,800,000 33,700,000                           107,626,000                        
Mortgage Loans on Real Estate, Number of Pools                                                             6                    
Percentage of loans that have reached a termination event             78.00%                                                                    
Repurchase agreements                                     25,300,000 2,500,000                                          
Unpaid principal balance of underlying mortgage 126,500,000         0               7,000,000 65,600,000                                                    
Threshold Period Past Due for Write-off of Financing Receivable                                                         30 days     30 days                  
Real Estate Owned From Linked Transactions 32,900,000                                                                                
Real Estate Owned, Total Assets 19,800,000                                                                                
Mortgage Loans on Real Estate, Unpaid Balance             300,000                                                 366,000,000                  
Proceeds from Sale of Real Estate                                                                     $ 23,700,000