OTHER INCOME, ASSETS AND LIABILITIES - Schedule of Accretion and Other Amortization (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Accretion of discount and other amortization:
Accretion of servicer advance interest income	$ 150,937	$ 102,823
Accretion of excess mortgage servicing rights income	49,397	24,789
Accretion of net discount on securities and loans	19,703	12,477
Amortization of deferred financing costs	(10,900)	(5,750)
Accretion and other amortization	$ 209,137	$ 134,339