Consolidated Statements of Operations - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenue
Interest and related income		$ 415,263	$ 445,940	$ 389,361
Less: interest and related expense		196,232	172,232	139,747
Net interest income		219,031	273,708	249,614
Revenue from real estate owned		27,984
Total revenue		247,015	273,708	249,614
Expenses
Management fees - affiliate		39,135	38,960	32,611
Incentive fees - affiliate			7,766	10,219
Equity compensation		8,812	5,670	29,489
General and administrative expenses		12,591	9,004	3,392
Expenses from real estate owned		32,194
Total expenses		92,732	61,400	75,711
Equity in income from investment in CMTG/CN Mortgage REIT LLC				40
Realized gain (loss) on sale of investments		(141)	(640)	103
Gain on foreclosure of real estate owned		1,430
Other income		5,855
(Provision for) reversal of current expected credit loss		8,962	(6,000)
Net income		170,389	205,668	174,046
Net (loss) income attributable to non-controlling interests		(164)	3,259	5,289
Net income attributable to preferred stock		16	31	31
Net income attributable to common stock and redeemable common stock		$ 170,537	$ 202,378	$ 168,726
Net income per share of common stock and redeemable common stock
Basic		$ 1.27	$ 1.52	$ 1.51
Diluted		$ 1.27	$ 1.52	$ 1.51
Weighted-average shares of common stock and redeemable common stock outstanding
Basic	[1]	134,539,645	132,980,316	111,462,928
Diluted	[1]	134,539,645	132,980,316	111,462,928

[1] Amounts at December 31, 2020 and 2019 include fully vested RSUs, which includes 877,498 common stock underlying vested RSUs