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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - Supplemental (Parenthetical) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Supplemental cash flow information:
Interest paid	$ 160,091	$ 109,689
Income taxes paid	1,985	381
Non-cash investing activities:
Real estate improvements accrued, not paid	15,751	21,342
Capitalized interest	1,089	1,152
Five Star
Non-cash investing activities:
Restructuring transaction additional consideration	0	(75,000)
Five Star
Non-cash investing activities:
Five Star Senior Living Inc. common stock	0	97,896
Non-cash financing activities:
Distribution to common shareholders of the right to receive Five Star Senior Living Inc. common stock	$ 0	$ (59,801)

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