XML 116 R108.htm IDEA: XBRL DOCUMENT v3.3.0.814
Mortgage Servicing - Schedule of Activity Related to MSRs - Fair Value Measurement Method (Details) - USD ($)
 9 Months Ended 12 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Servicing Asset at Fair Value, Amount [Roll Forward]          
Beginning balance $ 93,901,000 $ 116,029,000 $ 116,029,000    
Amount recognized in connection with the Homeward Acquisition     39,800,000 $ 74,800,000 $ 2,900,000
Asset at Fair Value, Changes in Fair Value Resulting from Changes in Assumptions 9,900,000 1,200,000      
Sales   0      
Changes in fair value:          
Ending balance 787,344,000   93,901,000 116,029,000  
Conventional [Member]          
Servicing Asset at Fair Value, Amount [Roll Forward]          
Beginning balance 93,901,000 116,029,000 116,029,000 85,213,000 0
Servicing Assets at Fair Value, Additions Recognized from Mortgage Sales     0 0 2,908,000
Fair value election - transfer from MSRs carried at amortized cost 787,142,000        
Cumulative effect of fair value election 52,015,000        
Asset at Fair Value, Changes in Fair Value Resulting from Changes in Assumptions [1]     (15,028,000) 44,199,000 30,000
Sales (71,318,000)        
Servicing transfers and adjustments (1,139,000)        
Changes in fair value:          
Changes in valuation inputs or other assumptions [2] 9,439,000        
Realization of expected future cash flows and other changes (82,696,000) [2]   (7,100,000) [1] (13,383,000) [1] 0 [1]
Ending balance 787,344,000   93,901,000 116,029,000 85,213,000
Fair Value Agency Mortgage Servicing Rights [Member] | Conventional [Member]          
Servicing Asset at Fair Value, Amount [Roll Forward]          
Beginning balance 93,901,000 116,029,000 116,029,000    
Fair value election - transfer from MSRs carried at amortized cost 0 0      
Cumulative effect of fair value election 0 0      
Sales (70,084,000) 0      
Servicing transfers and adjustments 0 (934,000)      
Changes in fair value:          
Changes in valuation inputs or other assumptions [2] (2,592,000) (12,217,000)      
Realization of expected future cash flows and other changes [2] (6,808,000) (930,000)      
Ending balance 14,417,000 $ 101,948,000 93,901,000 116,029,000  
Fair Value Non-Agency Mortgage Servicing Rights [Member] | Conventional [Member]          
Servicing Asset at Fair Value, Amount [Roll Forward]          
Beginning balance 0        
Fair value election - transfer from MSRs carried at amortized cost 787,142,000        
Cumulative effect of fair value election 52,015,000        
Sales (1,234,000)        
Servicing transfers and adjustments (1,139,000)        
Changes in fair value:          
Changes in valuation inputs or other assumptions [2] 12,031,000        
Realization of expected future cash flows and other changes [2] (75,888,000)        
Ending balance $ 772,927,000   0    
Homeward [Member] | Conventional [Member]          
Servicing Asset at Fair Value, Amount [Roll Forward]          
Amount recognized in connection with the Homeward Acquisition     $ 0 $ 0 $ 82,275,000
[1] Changes in fair value are recognized in Servicing and origination expense in the Consolidated Statements of Operations.
[2] Changes in fair value are recognized in Servicing and origination expense in the Unaudited Consolidated Statements of Operations.