Segment Information - Schedule of Reconciliation of Net Income to EBITDA (Detail) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021
Segment Reporting Information [Line Items]
Net income (loss)	$ 88,916	$ 71,211	$ 61,366	$ 48,545	$ 160,127	$ 109,910
Interest (income) expense, net	116		(13)		104	(10)
Income tax expense (benefit)	29,009		20,978		52,737	36,925
Depreciation and amortization					21,804	15,702
Residential [Member]
Segment Reporting Information [Line Items]
Net income (loss)			61,089			109,833
Interest (income) expense, net			13			10
Income tax expense (benefit)			20,886			36,899
Depreciation and amortization			9,020			15,231
EBITDA			91,008			161,973
Commercial [Member]
Segment Reporting Information [Line Items]
Net income (loss)			277			77
Income tax expense (benefit)			92			26
Depreciation and amortization			258			472
EBITDA			627			575
Operating Segments [Member]
Segment Reporting Information [Line Items]
Net income (loss)	88,916		61,366		160,127	109,910
Interest (income) expense, net	(116)		13		(104)	10
Income tax expense (benefit)	29,009		20,978		52,737	36,925
Depreciation and amortization	11,331		9,278		21,805	15,703
EBITDA	129,140		91,635		234,565	162,548
Operating Segments [Member] | Residential [Member]
Segment Reporting Information [Line Items]
Net income (loss)	89,437		61,089		161,652	109,833
Interest (income) expense, net	(116)				(104)
Income tax expense (benefit)	29,180		20,886		53,243	36,899
Depreciation and amortization	11,049		9,020		21,240	15,231
EBITDA	129,550		91,008		236,031	161,973
Operating Segments [Member] | Commercial [Member]
Segment Reporting Information [Line Items]
Net income (loss)	(521)		277		(1,525)	77
Income tax expense (benefit)	(171)		92		(506)	26
Depreciation and amortization	282		258		565	472
EBITDA	$ (410)		$ 627		$ (1,466)	$ 575