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Commitments and Contingencies (Unfunded Commitments) (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	May 31, 2019	Dec. 31, 2019
Commitments and Contingencies Disclosure [Abstract]
Percentage of capital committed to strategic investments that may be drawn down		100.00%
Unfunded Financial Commitments [Line Items]
Performance-Based Commitments		$ 427,027
Strategic Investments		16,851
Total		443,878
Loans and Other Lending Investments
Unfunded Financial Commitments [Line Items]
Performance-Based Commitments		225,600
Strategic Investments		0
Total		225,600
Real Estate
Unfunded Financial Commitments [Line Items]
Performance-Based Commitments		70,047
Strategic Investments		0
Total		70,047
Other Investments
Unfunded Financial Commitments [Line Items]
Performance-Based Commitments		131,380
Strategic Investments		16,851
Total		148,231
Loan Participations Payable
Unfunded Financial Commitments [Line Items]
Performance-Based Commitments		14,300
Bowling Center Commitment | Bowling Entertainment Venue Operator
Unfunded Financial Commitments [Line Items]
Commitment to invest additional bowling centers	$ 55,000	$ 55,000

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- Definition

Represents the off-balance sheet maximum other commitments of the entity.

+ References

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- Definition

Represents the percentage of capital committed to strategic investments by the entity that may be drawn down.

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- Definition

Represents the off-balance sheet unfunded maximum amount of funds for construction and development loans and build-outs of space in net lease assets over a period of time if and when the borrowers and tenants meet established milestones and other performance criteria.

+ References

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- Definition

Represents certain off-balance sheet unfunded commitments of the entity.

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- Definition

The minimum amount the entity agreed to spend under the long-term purchase commitment.

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