CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Cash pledged to creditors	$ 896,058	$ 52,599
Mortgage loans held for sale, pledged to creditors	4,873,662	4,846,138
Servicing advances, net, valuation allowance	102,497	82,157
Servicing advances pledged to creditors	197,094	207,460
Mortgage servicing rights pledged to creditors	2,209,928	2,920,603
Other assets pledged to creditors	$ 141,417	$ 32,598
Common Stock
Common stock, shares authorized	200,000,000	200,000,000
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares issued	72,358,167	78,515,047
Common stock, shares outstanding	72,358,167	78,515,047