Debt - Schedule of Debt (Details) kr in Billions	3 Months Ended
	Mar. 31, 2023 USD ($) forwardSwap property extension	Mar. 31, 2023 NOK (kr) property forwardSwap	Dec. 31, 2022 USD ($)	Feb. 19, 2022	Jun. 17, 2021
Debt Instrument [Line Items]
Principal amount	$ 3,074,763,000		$ 3,169,278,000
Carrying value	3,069,380,000		3,164,061,000
Mortgage and other notes payable, net	644,512,000		656,468,000
Securitization bonds payable, net
Debt Instrument [Line Items]
Principal amount	1,136,546,000		1,172,717,000
Carrying value	1,132,692,000		1,167,600,000
Mortgage and other notes payable, net
Debt Instrument [Line Items]
Principal amount	646,041,000		656,568,000
Carrying value	$ 644,512,000		656,468,000
Mortgage and other notes payable, net | Net lease 1
Debt Instrument [Line Items]
Contractual interest rate	4.77%	4.77%
Principal amount	$ 200,000,000		200,000,000
Carrying value	$ 198,801,000		198,778,000
Mortgage and other notes payable, net | Net lease 2
Debt Instrument [Line Items]
Contractual interest rate	3.91%	3.91%
Principal amount	$ 153,280,000		162,449,000
Carrying value	$ 154,085,000		164,752,000
Number of properties (in properties) | property	3	3
Mortgage and other notes payable, net | Net lease 3
Debt Instrument [Line Items]
Contractual interest rate	4.08%	4.08%
Principal amount	$ 29,843,000		30,009,000
Carrying value	$ 29,698,000		29,853,000
Mortgage and other notes payable, net | Net lease 4
Debt Instrument [Line Items]
Contractual interest rate	4.45%	4.45%
Principal amount	$ 22,412,000		22,559,000
Carrying value	$ 22,412,000		22,559,000
Mortgage and other notes payable, net | Net lease 5
Debt Instrument [Line Items]
Contractual interest rate	4.45%	4.45%
Principal amount	$ 17,385,000		17,486,000
Carrying value	17,117,000		17,200,000
Mortgage and other notes payable, net	$ 153,300,000	kr 1.6
Mortgage and other notes payable, net | Net lease 5
Debt Instrument [Line Items]
Contractual interest rate	4.38%	4.38%
Principal amount	$ 11,462,000		11,526,000
Carrying value	$ 11,025,000		11,089,000
Number of properties (in properties) | property	2	2
Number of properties with interest only payments (in properties) | forwardSwap	1	1
Mortgage and other notes payable, net | Net lease 6
Debt Instrument [Line Items]
Contractual interest rate	4.45%	4.45%
Principal amount	$ 6,907,000		6,948,000
Carrying value	6,801,000		6,834,000
Mortgage and other notes payable, net | Net lease 7
Debt Instrument [Line Items]
Principal amount	310,000		432,000
Carrying value	$ 305,000		424,000
Mortgage and other notes payable, net | Net lease 7 | LIBOR
Debt Instrument [Line Items]
Interest rate margin (in percentage)	2.15%
Mortgage and other notes payable, net | Net lease 8
Debt Instrument [Line Items]
Contractual interest rate	4.45%	4.45%
Principal amount	$ 3,202,000		3,220,000
Carrying value	$ 3,152,000		3,168,000
Mortgage and other notes payable, net | Other real estate 1
Debt Instrument [Line Items]
Contractual interest rate	4.47%	4.47%
Principal amount	$ 102,912,000		103,218,000
Carrying value	$ 103,054,000		103,391,000
Mortgage and other notes payable, net | Other real estate 2
Debt Instrument [Line Items]
Contractual interest rate	4.30%	4.30%
Principal amount	$ 70,477,000		70,870,000
Carrying value	70,211,000		70,569,000
Mortgage and other notes payable, net | Loan 1
Debt Instrument [Line Items]
Principal amount	27,851,000		27,851,000
Carrying value	$ 27,851,000		27,851,000
Number of optional extensions to initial maturity date | extension	1
Debt term extension available (in years)	1 year
Mortgage and other notes payable, net | Loan 1 | LIBOR
Debt Instrument [Line Items]
Interest rate margin (in percentage)	3.00%
Credit facilities
Debt Instrument [Line Items]
Principal amount	$ 1,292,176,000		1,339,993,000
Carrying value	$ 1,292,176,000		1,339,993,000
Credit facilities | Minimum
Debt Instrument [Line Items]
Initial debt term (in years)	2 years
Credit facilities | Maximum
Debt Instrument [Line Items]
Initial debt term (in years)	5 years
Credit facilities | Master repurchase facilities
Debt Instrument [Line Items]
Capacity	$ 2,250,000,000
Principal amount	1,292,176,000		1,339,993,000
Carrying value	1,292,176,000		1,339,993,000
Credit facilities | Bank credit facility | Bank credit facility
Debt Instrument [Line Items]
Capacity	165,000,000
Principal amount	0		0
Carrying value	$ 0		0
Credit facilities | Bank credit facility | Bank credit facility | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Interest rate margin (in percentage)	2.25%
Credit facilities | Bank 1 | Master repurchase facilities
Debt Instrument [Line Items]
Capacity	$ 600,000,000
Principal amount	522,677,000		415,892,000
Carrying value	$ 522,677,000		415,892,000
Number of optional extensions to initial maturity date | forwardSwap	2
Debt term extension available (in years)	1 year
Percent of recourse of the financed amount	25.00%	25.00%
Credit facilities | Bank 1 | Master repurchase facilities | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Interest rate margin (in percentage)	2.17%
Credit facilities | Bank 2 | Master repurchase facilities
Debt Instrument [Line Items]
Capacity	$ 600,000,000
Principal amount	309,113,000		351,539,000
Carrying value	$ 309,113,000		351,539,000
Debt term extension available (in years)	1 year
Credit facilities | Bank 2 | Master repurchase facilities | LIBOR and SOFR
Debt Instrument [Line Items]
Interest rate margin (in percentage)	1.88%
Credit facilities | Bank 2 | Master repurchase facilities | LIBOR and SOFR | Minimum
Debt Instrument [Line Items]
Interest rate margin (in percentage)	1.50%
Credit facilities | Bank 2 | Master repurchase facilities | LIBOR and SOFR | Maximum
Debt Instrument [Line Items]
Interest rate margin (in percentage)	3.00%
Credit facilities | Bank 3 | Master repurchase facilities
Debt Instrument [Line Items]
Capacity	$ 400,000,000
Principal amount	236,718,000		247,404,000
Carrying value	$ 236,718,000		247,404,000
Number of optional extensions to initial maturity date | forwardSwap	2
Debt term extension available (in years)	1 year
Credit facilities | Bank 3 | Master repurchase facilities | Minimum
Debt Instrument [Line Items]
Percent of recourse of the financed amount	25.00%	25.00%
Credit facilities | Bank 3 | Master repurchase facilities | Maximum
Debt Instrument [Line Items]
Percent of recourse of the financed amount	50.00%	50.00%
Credit facilities | Bank 3 | Master repurchase facilities | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Interest rate margin (in percentage)	1.74%
Credit facilities | Bank 4
Debt Instrument [Line Items]
Number of optional extensions to initial maturity date | extension	3
Credit facilities | Bank 4 | Master repurchase facilities
Debt Instrument [Line Items]
Capacity	$ 400,000,000
Principal amount	223,668,000		220,054,000
Carrying value	$ 223,668,000		220,054,000
Debt term extension available (in years)	1 year
Credit facilities | Bank 4 | Master repurchase facilities | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Interest rate margin (in percentage)	1.86%
Credit facilities | Bank 5 | Master repurchase facilities
Debt Instrument [Line Items]
Capacity	$ 250,000,000
Principal amount	0		105,104,000
Carrying value	$ 0		105,104,000
Debt term extension available (in years)	2 years
Credit facilities | Bank 5 | Master repurchase facilities | LIBOR and SOFR
Debt Instrument [Line Items]
Interest rate margin (in percentage)	1.86%
CLNC 2019-FL1 | Investment grade notes | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Benchmark adjustment				0.11448%	0.11448%
CLNC 2019-FL1 | Securitization bonds payable, net | Investment grade notes
Debt Instrument [Line Items]
Principal amount	$ 466,546,000		502,717,000
Carrying value	$ 465,867,000		501,406,000
CLNC 2019-FL1 | Securitization bonds payable, net | Investment grade notes | Minimum
Debt Instrument [Line Items]
Initial debt term (in years)	2 years
CLNC 2019-FL1 | Securitization bonds payable, net | Investment grade notes | Maximum
Debt Instrument [Line Items]
Initial debt term (in years)	3 years
CLNC 2019-FL1 | Securitization bonds payable, net | Investment grade notes | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Interest rate margin (in percentage)	1.87%
BRSP 2021-FL 1 | Securitization bonds payable, net | Investment grade notes
Debt Instrument [Line Items]
Principal amount	$ 670,000,000		670,000,000
Carrying value	$ 666,825,000		$ 666,194,000
BRSP 2021-FL 1 | Securitization bonds payable, net | Investment grade notes | LIBOR
Debt Instrument [Line Items]
Interest rate margin (in percentage)	1.49%