Investments - Summary of Operating and Balance Sheet Data (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Income Statement [Abstract]
Expenses	$ (7,293)	$ (4,221)	$ (19,244)	$ (14,029)
Income tax expense	229	(1,485)	(470)	(1,644)
Net income	15,473	3,656	39,605	37,257
Lawn Doctor, Inc.
Income Statement [Abstract]
Revenues	8,414	7,927	29,960	27,716
Expenses	(7,252)	(7,318)	(26,524)	(24,774)
Income before taxes	1,162	609	3,436	2,942
Income tax expense	(287)	(16)	(842)	(628)
Consolidated net income	875	593	2,594	2,314
Net (income) loss attributable to non-controlling interests	(15)	3	18	91
Net income	860	$ 596	2,612	$ 2,405
Balance Sheet Related Disclosures [Abstract]
Current assets	12,145		12,145		$ 13,926
Non-current assets	89,293		89,293		92,309
Current liabilities	6,925		6,925		7,961
Non-current liabilities	62,777		62,777		63,576
Non-controlling interests	(518)		(518)		(500)
Stockholders’ equity	$ 32,254		$ 32,254		$ 35,198
Portfolio Company Investment, Ownership Percentage	61.00%		61.00%		61.00%