Stockholders' Equity - Cumulative Dividends (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Class of Stock [Line Items]
Cumulative distributions to stockholders	$ 1,905,211	$ 1,837,955
Preferred Stock
Class of Stock [Line Items]
Cumulative distributions to stockholders	138,836	132,845
Common Stock
Class of Stock [Line Items]
Cumulative distributions to stockholders	$ 1,766,375	$ 1,705,110