XML 53 R42.htm IDEA: XBRL DOCUMENT v3.21.1
Investments in Unconsolidated Entities - Outstanding Borrowings of Unconsolidated Entities and Equity in Income (Loss) (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Sep. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Sep. 30, 2019
Schedule of Equity Method Investments [Line Items]            
Total equity of unconsolidated entities $ 633,767 $ 606,062 $ 593,171 $ 547,482 $ 539,280 $ 538,754
Total outstanding borrowings of unconsolidated entities 1,123,001   1,130,801      
Equity Method Investment, Nonconsolidated Investee or Group of Investees            
Schedule of Equity Method Investments [Line Items]            
Investment in unconsolidated entities 4,114   4,003      
Total equity of unconsolidated entities 7,009   7,079      
Total outstanding borrowings of unconsolidated entities $ 13,497   $ 8,807