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Rollforward of Mortgage Servicing Rights, at Fair Value (Details)

v3.4.0.3
Rollforward of Mortgage Servicing Rights, at Fair Value (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Servicing Assets at Fair Value [Line Items]    
Mortgage servicing rights, at fair value, Beginning Balance $ 493,688 $ 452,006
Servicing Asset at Fair Value, Additions 50,273 4,324
Servicing Asset at Fair Value, Additions from Sale of Mortgage Loans 204 227
Servicing Asset at Fair Value, Changes in Fair Value Resulting from Changes in Valuation Inputs or Changes in Assumptions (84,359) (38,170)
Servicing Asset at Fair Value, Other Changes in Fair Value (17,081) (14,233)
Servicing Asset at Fair Value, Other Changes that Affect Balance 3,445 6,075
Mortgage servicing rights, at fair value, Ending Balance $ 446,170 $ 410,229