Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement of Comprehensive Income [Abstract]
Net loss	$ (8,063)	$ (3,986)
Available for sale securities - net unrealized loss	(59)	(2)
Total other comprehensive loss	(59)	(2)
Comprehensive loss	(8,122)	(3,988)
Comprehensive income attributable to noncontrolling interests	0	4
Comprehensive loss attributable to Caladrius Biosciences, Inc. common stockholders	$ (8,122)	$ (3,992)