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Summary of Significant Accounting Policies (Net Lease Ventures) (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Discontinued operations
Noncontrolling interests	[1]	$ 330,514		$ 211,910
Net Lease Venture | External Partner
Discontinued operations
Ownership Percentage		47.50%
Net Lease Venture II | Net income from discontinued operations
Discontinued operations
Management fee revenue from related party		$ 400	$ 400
Senior executives | Net Lease Venture
Discontinued operations
Ownership Percentage		0.60%
Percentage of incentive fees		50.00%
Discontinued Operations, Disposed of by Sale | Net Lease Business Segment
Discontinued operations
Other investments		$ 216,309
Discontinued Operations, Disposed of by Sale | Net Lease Sale | Net Lease Venture
Discontinued operations
Noncontrolling interests		316,600
Discontinued Operations, Disposed of by Sale | Net Lease Sale | Net Lease Venture II
Discontinued operations
Other investments		$ 216,300
Discontinued Operations - Held for Sale | Net Lease Business Segment
Discontinued operations
Other investments				$ 103,229
[1] Refer to Note 2 for details on the Company’s consolidated variable interest entities (“VIEs”).

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