Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2020	Jul. 31, 2020
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Jun. 30, 2020
Entity File Number	001-35808
Entity Registrant Name	READY CAPITAL CORPORATION
Entity Incorporation, State or Country Code	MD
Entity Tax Identification Number	90-0729143
Entity Address, Address Line One	1251 Avenue of the Americas, 50th Floor
Entity Address, City or Town	New York
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	10020
City Area Code	212
Local Phone Number	257-4600
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		54,872,789
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q2
Entity Central Index Key	0001527590
Amendment Flag	false
Common Stock
Document Information [Line Items]
Title of 12(b) Security	Common Stock, $0.0001 par value per share
Trading Symbol	RC
Security Exchange Name	NYSE
Convertible Notes
Document Information [Line Items]
Title of 12(b) Security	7.00% Convertible Senior Notes due 2023
Trading Symbol	RCA
Security Exchange Name	NYSE
6.50% Senior Notes due 2021
Document Information [Line Items]
Title of 12(b) Security	6.50% Senior Notes due 2021
Trading Symbol	RCP
Security Exchange Name	NYSE
6.20% Senior Notes due 2026
Document Information [Line Items]
Title of 12(b) Security	6.20% Senior Notes due 2026
Trading Symbol	RCB
Security Exchange Name	NYSE