| Document and Entity Information | Nov. 04, 2020 |
| Document Information [Line Items] | |
| Document Type | 8-K |
| Document Period End Date | Nov. 4, 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 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0001527590 |
| Amendment Flag | false |
| Common Stock [Member] | |
| 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 Payable [Member] | |
| 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 |
