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Segment Reporting - Narrative (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2021
USD ($)
Jun. 30, 2020
USD ($)
Jun. 30, 2021
USD ($)
segment
Jun. 30, 2020
USD ($)
Segment Reporting Information [Line Items]        
Number of reportable segments | segment     2  
Impairment charges $ 0 $ 4,101 $ 0 $ 4,101
Real Estate        
Segment Reporting Information [Line Items]        
Impairment charges   $ 4,100   $ 4,100