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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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DEBT OBLIGATIONS, NET - Senior Unsecured Notes (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Jun. 23, 2021	Jan. 30, 2020	Sep. 25, 2017
Debt Instrument [Line Items]
Gain (loss) on extinguishment of debt	$ 685,000	$ 0	$ 22,250,000
Ladder Capital Finance Corporation \| LCFH
Debt Instrument [Line Items]
Ownership interest in LCFC	100.00%
Senior Unsecured Notes
Debt Instrument [Line Items]
Unamortized debt issuance costs	$ 15,412,000
Various Date \| Senior Unsecured Notes
Debt Instrument [Line Items]
Senior Unsecured Notes	1,628,382,000	1,631,108,000
Loan refinance	1,643,794,000	1,649,794,000
Unamortized debt issuance costs	15,400,000	$ 18,700,000
Senior Unsecured Notes
Debt Instrument [Line Items]
Senior Unsecured Notes	1,600,000,000
Senior Notes Due 2025 \| Senior Unsecured Notes
Debt Instrument [Line Items]
Loan refinance	344,000,000
Stated interest rate on debt instrument						5.25%
Notes repurchased	4,000,000
Gain (loss) on extinguishment of debt	300,000
Senior Notes Due 2027 \| Senior Unsecured Notes
Debt Instrument [Line Items]
Loan refinance	650,800,000
Stated interest rate on debt instrument					4.25%
Notes repurchased	1,000,000
Gain (loss) on extinguishment of debt	200,000
Senior Notes Due 2029 \| Senior Unsecured Notes
Debt Instrument [Line Items]
Loan refinance	649,000,000
Stated interest rate on debt instrument				4.75%
Notes repurchased	1,000,000
Gain (loss) on extinguishment of debt	$ 200,000