CONSOLIDATED AND COMBINED STATEMENTS OF STOCKHOLDERS' EQUITY AND NET PARENT INVESTMENT - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Net Parent Investment	Non-Controlling Interest
Equity, beginning balance (in shares) at Dec. 31, 2016		0
Equity, beginning balance at Dec. 31, 2016	$ 48,360	$ 0	$ 0	$ 0	$ 46,902	$ 1,458
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Noncontrolling interest attributable to subsidiary equity plan	1,364				(1,938)	3,302
Net income attributable to noncontrolling interest	160					160
Net transfer from parent	165				165
Net income attributable to The Pennant Group, Inc.	9,867				9,867
Equity, ending balance (in shares) at Dec. 31, 2017		0
Equity, ending balance at Dec. 31, 2017	59,916	$ 0	0	0	54,996	4,920
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Noncontrolling interest attributable to subsidiary equity plan	1,378				(2,539)	3,917
Net income attributable to noncontrolling interest	595					595
Net transfer from parent	(12,285)				(12,285)
Net income attributable to The Pennant Group, Inc.	15,684				15,684
Equity, ending balance (in shares) at Dec. 31, 2018		0
Equity, ending balance at Dec. 31, 2018	65,288	$ 0	0	0	55,856	9,432
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Noncontrolling interest attributable to subsidiary equity plan	594				(2,991)	3,585
Stock repurchase related to subsidiary equity plan	(394)					(394)
Net income attributable to noncontrolling interest	629					629
Net transfer from parent	11,894				11,894
Net income attributable to The Pennant Group, Inc.	2,546			(3,799)	6,345
Cash distribution to Parent	(11,600)				(11,600)
Reclassification of invested equity	137		72,893		(59,504)	(13,252)
Issuance of common stock after spin-off (in shares)		27,834
Issuance of common stock at Spin-Off	0	$ 28	(28)
Issuance of common stock at Spin-Off	1,987		1,987
Exercise of stock options, issuance of other awards after spin-off (in shares)		601
Exercise of stock options, issuance of other awards after the Spin-Off	30		30
Equity, ending balance (in shares) at Dec. 31, 2019		28,435
Equity, ending balance at Dec. 31, 2019	$ 71,111	$ 28	$ 74,882	$ (3,799)	$ 0	$ 0