Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2015	Oct. 30, 2015
Entity Registrant Name	Ladder Capital Corp
Entity Central Index Key	0001577670
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Document Type	10-Q
Document Period End Date	Sep. 30, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q3
Amendment Flag	false
Class A common stock
Entity Common Stock, Shares Outstanding		55,151,814
Class B common stock
Entity Common Stock, Shares Outstanding		44,198,745