Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Common stock, par value in dollars per share	$ 0.01	$ 0.01
Common stock, shares authorized	400,000,000	400,000,000
Common stock, shares issued	157,015,689	146,780,031
Common stock, shares outstanding	157,015,689	146,780,031
Assets	$ 20,705,872	$ 16,958,955
Liabilities	16,435,320	13,054,724
Variable Interest Entity, Primary Beneficiary [Member]
Assets	3,503,362	3,587,950
Liabilities	$ 2,837,680	$ 2,924,603