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Net Investment in Sales-type Leases, Ground Lease Receivables and Loans Receivable, net - Related Party (Lease Assignment and Modification) (Details) - USD ($) $ in Thousands	1 Months Ended			3 Months Ended
	Sep. 30, 2022	Jul. 31, 2022	Apr. 30, 2022	Mar. 31, 2023	Mar. 31, 2022
Reclassification [Line Items]
Ground lease acquisition				$ 50,803	$ 216,765
Net gain attributable to noncontrolling interests				$ 34	$ 34
iStar Inc.
Reclassification [Line Items]
Ground lease acquisition		$ 36,400	$ 9,000
Land and Related Ground Lease
Reclassification [Line Items]
Net proceeds received from sale of net investment in lease	$ 136,000
Gain on sale of net investment in lease	55,800
Net gain attributable to noncontrolling interests	9,500
Net gain attributable to redeemable noncontrolling interests	$ 700

X

- Definition

The difference between the carrying value and the sale price of a lease held for investment. A gain would be recognized when the sale price of the lease investment is greater than the carrying value of the lease investment. This element refers to the gain or loss included in earnings and not to the cash proceeds of the sale.

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Ground Lease, Acquisition

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Amount of Net Income (Loss) attributable to noncontrolling interest.

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Amount of Net Income (Loss) attributable to redeemable noncontrolling interest.

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The cash inflow from the sale of a lease held for investment, which may be a lease of real estate, equipment or other fixed assets for a specified time in exchange for payment, usually in the form of rent.

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