CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Mortgage loans held for sale, pledged to creditors	$ 13,267,667	$ 11,457,678
Servicing advances, net, valuation allowance	156,315	181,433
Servicing advances pledged to creditors	373,110	413,484
Mortgage servicing rights pledged to creditors	3,265,073	2,577,964
Other assets pledged to creditors	$ 114,342	$ 166,418
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	66,961,401	70,905,532
Common stock, shares outstanding	66,961,401	70,905,532