Percentage of there hold risk.

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Funded and unfunded amount, before allowance for credit loss, of financing receivable.

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Represents the weighted average First Dollar LTV Ratio that is calculated by comparing the total of the company's senior most dollar and all senior lien positions within the capital stack to the fair value of the underlying collateral to determine the point at which the company will absorb a total loss of its position.

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Represents the weighted average loan to value ratio that is calculated by comparing the total of the carrying value of the company's loan and all senior lien positions within the capital stack to the fair value of the underlying collateral to determine the point at which the company will initially absorb a loss.

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Represents a category of loans on real estate expressed as a percentage of total loans on real estate.

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Represents the weighted average remaining maturity period of mortgage loans.

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Represents the number of loans related to the real estate property under the loan portfolio.

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Represents the number of unrelated borrowers.

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Interest rate of mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.

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-Publisher SEC
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Number of mortgage loans within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Amount of unamortized loan commitment, origination, and other costs (fees) and purchase premium (discount) on financing receivable recognized as adjustment to yield. Excludes financing receivable covered under loss sharing agreement.

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The balance represents the amount of loans that are secured by real estate mortgages, offset by the reserve to cover probable credit losses on the loan portfolio.

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Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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Loans and Investments - Investment Portfolio and Concentration of Credit Risk (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) loan property	Dec. 31, 2021 USD ($) loan property	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
SCHEDULE IV
Loans and investments	$ 14,456,123	$ 12,158,995
Allowance for credit losses	(132,559)	(113,241)	$ (148,329)
Unearned revenue	68,890	64,706
Loans and investments, net	$ 14,254,674	$ 11,981,048	$ 5,285,868	$ 4,189,960
Percent of Total	100.00%	100.00%
Loan Count \| loan	747	580
Wtd. Avg. Pay Rate (as a percent)	8.17%	4.26%
Wtd. Avg. Remaining Months to Maturity	20 months 18 days	24 months 18 days
Wtd. Avg. First Dollar LTV Ratio (as percent)	1.00%	1.00%
Wtd. Avg. Last Dollar LTV Ratio (as percent)	76.00%	76.00%
Concentration of Credit Risk
SCHEDULE IV
Loans and investments	$ 14,456,123
Wtd. Avg. First Dollar LTV Ratio (as percent)	1.00%
Wtd. Avg. Last Dollar LTV Ratio (as percent)	76.00%
Concentration of Credit Risk \| Single-Family Rental
SCHEDULE IV
Loans and investments	$ 963,218
Percent of Total	7.00%
Wtd. Avg. First Dollar LTV Ratio (as percent)	0.00%
Wtd. Avg. Last Dollar LTV Ratio (as percent)	64.00%
Total Assets \| Concentration of Credit Risk
SCHEDULE IV
Loan Count \| loan	38	31
Number of different borrowers \| property	5	5
Concentration Risk Threshold Percentage	11	11
Total Assets \| Concentration of Credit Risk \| Five Borrowers
SCHEDULE IV
Concentration risk, percentage	10.00%	10.00%
Loans and investments portfolio \| Concentration of Credit Risk \| New York
SCHEDULE IV
Concentration risk, percentage		19.00%
Bridge loans
SCHEDULE IV
Loans and investments	$ 14,096,054	$ 11,750,710
Percent of Total	98.00%	97.00%
Loan Count \| loan	692	528
Wtd. Avg. Pay Rate (as a percent)	8.17%	4.19%
Wtd. Avg. Remaining Months to Maturity	19 months 24 days	23 months 24 days
Wtd. Avg. First Dollar LTV Ratio (as percent)	0.00%	0.00%
Wtd. Avg. Last Dollar LTV Ratio (as percent)	76.00%	76.00%
Bridge loans \| Single-Family Rental
SCHEDULE IV
Number of loans under the loan portfolio \| loan	241	120
Total loan commitment	$ 1,570,000	$ 804,600,000
Mezzanine loan
SCHEDULE IV
Loans and investments	$ 213,499	$ 223,378
Percent of Total	1.00%	2.00%
Loan Count \| loan	44	39
Wtd. Avg. Pay Rate (as a percent)	8.13%	7.32%
Wtd. Avg. Remaining Months to Maturity	63 months 3 days	56 months 9 days
Wtd. Avg. First Dollar LTV Ratio (as percent)	42.00%	34.00%
Wtd. Avg. Last Dollar LTV Ratio (as percent)	77.00%	84.00%
Preferred equity investments
SCHEDULE IV
Loans and investments	$ 110,725	$ 155,513
Percent of Total	1.00%	1.00%
Loan Count \| loan	8	11
Wtd. Avg. Pay Rate (as a percent)	7.63%	5.57%
Wtd. Avg. Remaining Months to Maturity	39 months 6 days	38 months
Wtd. Avg. First Dollar LTV Ratio (as percent)	46.00%	58.00%
Wtd. Avg. Last Dollar LTV Ratio (as percent)	79.00%	87.00%
Other loan
SCHEDULE IV
Loans and investments	$ 35,845	$ 29,394
Percent of Total	1.00%	1.00%
Loan Count \| loan	3	2
Wtd. Avg. Pay Rate (as a percent)	8.76%	4.63%
Wtd. Avg. Remaining Months to Maturity	32 months 24 days	48 months 3 days
Wtd. Avg. First Dollar LTV Ratio (as percent)	0.00%	0.00%
Wtd. Avg. Last Dollar LTV Ratio (as percent)	58.00%	67.00%
Other loan \| Single-Family Rental
SCHEDULE IV
Number of loans under the loan portfolio \| loan	3	2
Total loan commitment	$ 927,400	$ 408,200