Investments - Summary of Owned Real Estate Activity (Footnote) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2023
Dec. 31, 2022
Real Estate [Line Items]    
Revenue producing capitalized expenditures $ 21,300  
Non-revenue producing capitalized expenditures 500  
Real estate assets held for investment, net 7,471,776 $ 7,421,306
Intangible lease assets, net 407,141 423,870
Real estate assets under direct financing leases, net 7,420 7,427
Real estate assets held for sale, net 43,209 49,148
Intangible lease liabilities, net (114,079) $ (118,077)
Net balance 7,815,467  
Held-in-use    
Real Estate [Line Items]    
Gains on disposal of properties 39,900  
Held-for-sale    
Real Estate [Line Items]    
Gains on disposal of properties $ 9,300