Earnings Per Share (Schedule of Earnings Per Share) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Earnings Per Share [Abstract]
Net income	$ 73,357	$ 59,488	$ 33,728
Net income attributable to noncontrolling interests	(234)	(194)	(6,035)
Net income attributable to Safehold Inc. common shareholders for basic earnings per share	73,123	59,294	27,693
Net income attributable to Safehold Inc. common shareholders - diluted	$ 73,123	$ 59,294	$ 27,693