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Real Estate - Net Lease Venture (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Schedule of Equity Method Investments [Line Items]
Revenues	$ 173,461	$ 106,802
Net Lease Venture | Net Lease
Schedule of Equity Method Investments [Line Items]
Equity interest (percent)	51.90%
Equity method investment, related party ownership percentage	0.60%
Equity method investment, related party promote fee percentage	50.00%
Equity method investment, partner ownership percentage	47.50%
Net Lease Venture | Management Fees | Other income
Schedule of Equity Method Investments [Line Items]
Revenues	$ 400	$ 400

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