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Real Estate - Operating Properties and Leases (Detail) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Real Estate [Abstract]    
2020 $ 43,529 $ 38,769
2021 46,038 38,267
2022 41,624 34,307
2023 39,915 32,312
2024 35,400 30,180
Thereafter 776,205 670,147
Total undiscounted rental payments 982,711 843,982
Less imputed interest 511,077  
Total lease liabilities $ 471,634 $ 0