Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2017	May 08, 2017
Document Type	10-Q
Document Period End Date	Mar. 31, 2017
Entity Registrant Name	Ladder Capital Corp
Entity Central Index Key	0001577670
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q1
Amendment Flag	false
Class A common stock
Entity Common Stock, Shares Outstanding		79,559,308
Class B common stock
Entity Common Stock, Shares Outstanding		31,162,013