Earnings (Loss) Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Numerator:
Net income (loss) attributable to CareTrust REIT, Inc.	$ 53,735	$ (7,506)	$ 71,982
Less: Net income allocated to participating securities	(400)	(440)	(507)
Numerator for basic earnings available to common stockholders	53,335	(7,946)	71,475
Numerator for diluted earnings available to common stockholders	$ 53,335	$ (7,946)	$ 71,475
Denominator:
Weighted-average basic common shares outstanding (shares)	105,956	96,703	96,017
Weighted-average diluted common shares outstanding (shares)	106,152	96,703	96,092
Earnings (loss) per common share attributable to CareTrust REIT, Inc., basic (usd per share)	$ 0.50	$ (0.08)	$ 0.74
Earnings (loss) per common share attributable to CareTrust REIT, Inc., diluted (usd per share)	$ 0.50	$ (0.08)	$ 0.74
Antidilutive unvested restricted stock awards, total shareholder units, performance awards, and forward equity shares excluded from the computation (shares)	475	744	591
Performance Stock Awards
Denominator:
Dilutive performance stock awards (shares)	164	0	75
Forward Equity Agreements
Denominator:
Dilutive performance stock awards (shares)	32	0	0