OTHER INCOME, ASSETS AND LIABILITIES - Schedule of Accretion and Other Amortization (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Accretion of discount and other amortization:
Accretion of servicer advance interest income	$ 256,045	$ 153,790
Accretion of excess mortgage servicing rights income	87,874	37,703
Accretion of net discount on securities and loans	35,239	30,127
Amortization of deferred financing costs	(18,691)	(7,675)
Accretion and other amortization	$ 360,467	$ 213,945