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Equity - Non-controlling Interests (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Variable Interest Entity [Line Items]      
Income attributable to non-controlling interests $ 6,027 $ 6,363 $ 4,771
Non-controlling interests 4,620 4,791  
Distributions to non-controlling interests 6,357 5,404 $ 2,526
VIE      
Variable Interest Entity [Line Items]      
Net Assets 12,900 13,200  
Non-controlling interests $ 4,600 $ 4,800