Real Estate - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Real Estate [Abstract]
Net gain on sales of real estate properties	$ 223,738	$ 144,266	$ 223,695	$ 352,243