Servicing of Residential Loans - Summary of Activity in Servicing Rights Carried at Fair Value (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Servicing Asset at Fair Value, Amount [Roll Forward]
Balance at beginning of period	$ 1,570,320	$ 1,513,830	$ 1,599,541	$ 1,131,124
Change in fair value due to:
Changes in valuation inputs or other assumptions	59,286	(43,376)	(15,248)	(68,994)
Other changes in fair value	(58,145)	(40,176)	(112,846)	(62,192)
Total change in fair value	1,141	(83,552)	(128,094)	(131,186)
Balance at end of the period	1,797,721	1,496,073	1,797,721	1,496,073
Everbank Financial Corp [Member]
Servicing Asset at Fair Value, Amount [Roll Forward]
Servicing assets recorded	0	0	0	58,680
Purchase Of Servicing Rights [Member]
Servicing Asset at Fair Value, Amount [Roll Forward]
Servicing assets recorded	139,449	20,241	167,162	339,288
Capitalized Servicing Rights [Member]
Servicing Asset at Fair Value, Amount [Roll Forward]
Servicing assets recorded	$ 86,811	$ 45,554	$ 159,112	$ 98,167