CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Statement of Financial Position [Abstract]
Loans held for sale ($1,007.7 million and $968.9 million at December 2017 and 2016, respectively, at fair value)	$ 2,571,300,000	$ 1,969,200,000
Preferred stock, Liquidation value	$ 1,000	$ 1,000
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares issued	6,000,000	6,000,000
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	50,338,158	50,201,127
Treasury stock, shares	417	417