Earnings per Share of Common Stock (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Continuing Operations
Net income (loss)	$ 159,974	$ 46,069	$ 75,056
Less: Income (loss) attributable to non-controlling interest	2,230	1,199	2,088
Less: Income attributable to participating shares	9,093	1,392	653
Basic earnings	148,651	43,478	72,315
Discontinued Operations
Net income attributable to Ready Capital Corporation	150,241	44,870	72,968
Diluted Earnings
Net income (loss)	159,974	46,069	75,056
Less: Income (loss) attributable to non-controlling interest	2,230	1,199	2,088
Less: Income attributable to participating shares	9,093	1,392	653
Diluted earnings	$ 148,651	$ 43,478	$ 72,315
Basic - Average shares outstanding	68,511,578	53,736,523	42,011,750
Effect of dilutive securities - Unvested participating shares	149,328	81,855	35,898
Diluted - Average shares outstanding	68,660,906	53,818,378	42,047,648
Earnings Per Share Attributable to RC Common Stockholders:
Basic	$ 2.17	$ 0.81	$ 1.72
Diluted	$ 2.17	$ 0.81	$ 1.72
Conversion spread value on Convertible Notes	$ 0
Impact of Convertible Notes on diluted EPS	$ 0