Credit Facility, Bank Loans, and Lines of Credit - Additional Information (Detail)			11 Months Ended	12 Months Ended
	Jan. 25, 2022 USD ($)	Jun. 16, 2021 USD ($)	Dec. 01, 2023	Dec. 31, 2022 USD ($) financial_ratio	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Sep. 07, 2022 USD ($)	Aug. 31, 2022	Jan. 01, 2022	Jun. 30, 2021 USD ($)	Apr. 30, 2021 USD ($)	Sep. 10, 2019 USD ($)
Debt Instrument [Line Items]
Dividend declared included in dividend payable				$ 6,400,000	$ 700,000	$ 700,000
Current portion of long-term debt				619,000	780,000
Deferred financing costs				3,300,000	4,300,000
Interest expense				7,920,000	$ 5,394,000	$ 9,499,000
APC | MPP
Debt Instrument [Line Items]
Asset acquisition, percentage of shares acquired						100.00%
APC | AMG Properties
Debt Instrument [Line Items]
Asset acquisition, percentage of shares acquired						100.00%
APC | ZLL
Debt Instrument [Line Items]
Asset acquisition, percentage of shares acquired						100.00%
MPP
Debt Instrument [Line Items]
Face amount of debt				$ 5,900,000
Minimum debt coverage ratio				1.25
MPP | Prime Rate
Debt Instrument [Line Items]
Basis spread on variable rate				(0.50%)
AMG Properties
Debt Instrument [Line Items]
Face amount of debt				$ 600,000
Minimum debt coverage ratio				1.25
AMG Properties | Prime Rate
Debt Instrument [Line Items]
Basis spread on variable rate				(0.30%)
ZLL
Debt Instrument [Line Items]
Face amount of debt				$ 600,000
Minimum debt coverage ratio				1.25
ZLL | Prime Rate
Debt Instrument [Line Items]
Basis spread on variable rate				(0.50%)
120 Hellman LLC
Debt Instrument [Line Items]
Face amount of debt	$ 16,300,000			$ 16,000,000
Debt instrument, covenant, cash flow to debt service ratio, minimum	1.25
Debt covenant, threshold percentage for occupation of property	35.00%
120 Hellman LLC | Prime Rate
Debt Instrument [Line Items]
Basis spread on variable rate	2.00%
Tag-8 Medical Investment Group, LLC — related party
Debt Instrument [Line Items]
Asset acquisition, percentage of shares acquired				50.00%
Asset acquisition, percentage of shares acquired, net								100.00%
Tag-6 Medical Investment Group, LLC — related party
Debt Instrument [Line Items]
Asset acquisition, percentage of shares acquired								50.00%
Asset acquisition, percentage of shares acquired, net								100.00%
Business Loan
Debt Instrument [Line Items]
Face amount of debt							$ 3,400,000
Construction Loan
Debt Instrument [Line Items]
Current portion of long-term debt				$ 4,200,000
Standby Letters of Credit | APC
Debt Instrument [Line Items]
Maximum loan availability				$ 300,000
Term of facility				1 year
Standby Letters of Credit | Alpha Care | Preferred Bank
Debt Instrument [Line Items]
Maximum loan availability				$ 3,800,000
Term of facility				1 year
Amended Credit Agreement
Debt Instrument [Line Items]
Commitment fee		$ 50,000
Amended Credit Agreement | Truist Bank | Standby Letters of Credit
Debt Instrument [Line Items]
Maximum loan availability				$ 21,100,000
Term of facility				1 year
Amended Credit Agreement | Minimum
Debt Instrument [Line Items]
Required annual facility fee		0.175%
Basis spread on variable rate		0.25%
Amended Credit Agreement | Minimum | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate		1.25%
Amended Credit Agreement | Maximum
Debt Instrument [Line Items]
Required annual facility fee		0.35%
Basis spread on variable rate		1.50%
Amended Credit Agreement | Maximum | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate		2.50%
Amended Credit Agreement | Revolver Loan
Debt Instrument [Line Items]
Revolving credit facility term		5 years
Interest rate at end of period				5.92%
Deferred financing costs										$ 700,000
Amended Credit Agreement | Revolver Loan | Line of Credit
Debt Instrument [Line Items]
Maximum loan availability		$ 400,000,000
Amended Credit Agreement | Letter of Credit | Line of Credit
Debt Instrument [Line Items]
Maximum loan availability		25,000,000
Amended Credit Agreement | Bridge Loan | Line of Credit
Debt Instrument [Line Items]
Maximum loan availability		$ 25,000,000
Amended Credit Agreement | Standby Letters of Credit | Minimum
Debt Instrument [Line Items]
Required annual facility fee		1.25%
Amended Credit Agreement | Standby Letters of Credit | Maximum
Debt Instrument [Line Items]
Required annual facility fee		2.50%
Credit Agreement
Debt Instrument [Line Items]
Number of key financial ratios | financial_ratio				2
Maximum consolidated leverage ratio				3.75
Debt covenant, aggregate purchase price, maximum				$ 75,000,000
Consolidated leverage ratio, annual change									0.25
Maximum adjusted consolidated leverage ratio				4.00
Minimum consolidated interest coverage ratio				3.25
Interest rate during period				3.22%	2.06%	3.48%
Interest expense				$ 900,000	$ 1,200,000	$ 1,400,000
Credit Agreement | Revolver Loan
Debt Instrument [Line Items]
Deferred financing costs				$ 6,500,000
Construction Loan | Tag-8 Medical Investment Group, LLC — related party
Debt Instrument [Line Items]
Face amount of debt											$ 10,700,000
Construction Loan | Tag-8 Medical Investment Group, LLC — related party | LIBOR | Forecast
Debt Instrument [Line Items]
Basis spread on variable rate			2.00%
APC Business Loan Agreement | Line of Credit | APC | Preferred Bank
Debt Instrument [Line Items]
Maximum loan availability												$ 4,100,000
Construction Loans | Tag-8 Medical Investment Group, LLC — related party
Debt Instrument [Line Items]
Debt instrument, covenant, cash flow coverage ratio, minimum				0.0125