Condensed Combined Balance Sheets for LLCs/LPs Accounted Under Equity Method (Detail) - USD ($) $ in Thousands		Sep. 30, 2020	Jun. 30, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Dec. 31, 2018
Schedule Of Equity Method Investments [Line Items]
Total Assets		$ 490,621		$ 488,789
Equity		162,394	$ 166,240	181,734	$ 184,625	$ 188,540	$ 198,610
Total Liabilities and Equity		490,621		488,789
Investments in LLCs before amounts included in accrued expenses and other liabilities		4,366		6,918
Equity Method Investment, Nonconsolidated Investee or Group of Investees
Schedule Of Equity Method Investments [Line Items]
Net property, including construction in progress		40,979		33,207
Other assets	[1]	8,275		7,452
Total Assets		49,254		40,659
Other liabilities	[1]	7,384		6,785
Mortgage notes payable, non-recourse to us		36,525		26,650
Equity		5,345		7,224
Total Liabilities and Equity		49,254		40,659
Investments in LLCs before amounts included in accrued expenses and other liabilities		4,366		6,918
Amounts included in accrued expenses and other liabilities		(1,544)		(1,856)
Our share of equity in LLCs, net		$ 2,822		$ 5,062

[1] Other assets and other liabilities as of both September 30, 2020 and December 31, 2019 includes approximately $3.7 million of right-of-use land assets and right-of-use land liabilities related to ground leases whereby the LLC/LP is the lessee, with third party lessors, including subsidiaries of UHS.