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Notes and Other Receivables (Details) - USD ($) $ in Thousands	1 Months Ended	6 Months Ended
	Jan. 31, 2020	Jun. 30, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable		$ 44,748	$ 134,365
Notes and other receivables, allowance for credit loss		(100)	0
Notes receivable, secured, bearing interest at 9.00%, due May 2021 (Originated May 2017)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable		$ 0	16,828
Stated interest rate		9.00%
Note receivable, secured, bearing interest at 9.90%, due November 2021 (Originated November 2018)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable		$ 13,506	12,838
Stated interest rate		9.90%
Related party note receivable, secured, bearing variable rate interest, due February 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable		$ 0	85,713
Notes receivable, secured, bearing interest at 11.00%, due October 2023 (Originated April 2020)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable		$ 6,582	0
Stated interest rate		11.00%
Notes and other receivables from affiliates
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable		$ 5,156	4,442
Other receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable		$ 19,604	$ 14,544
Affiliated Entity \| Notes receivable, secured, bearing interest at 9.00%, due May 2021 (Originated May 2017)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Proceeds from redemption of notes receivable	$ 16,900
Affiliated Entity \| Related party note receivable, secured, bearing variable rate interest, due February 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Proceeds from redemption of notes receivable	$ 85,800