Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Statement of Comprehensive Income [Abstract]
Net loss	$ (6,927)	$ (5,325)	$ (20,672)	$ (2,709)
Available for sale securities - net unrealized loss	(47)	(14)	(51)	(14)
Total other comprehensive loss	(47)	(14)	(51)	(14)
Comprehensive loss	(6,974)	(5,339)	(20,723)	(2,723)
Comprehensive income attributable to noncontrolling interests	0	2	0	10
Comprehensive loss attributable to Caladrius Biosciences, Inc. common stockholders	$ (6,974)	$ (5,341)	$ (20,723)	$ (2,733)