STOCK-BASED COMPENSATION - Additional Information (Details)			1 Months Ended		5 Months Ended	12 Months Ended
	May 20, 2021 USD ($) purchase_period shares	May 19, 2021 USD ($)	Nov. 30, 2021 $ / shares shares	Jul. 31, 2019 $ / shares shares	May 20, 2021 USD ($)	Dec. 31, 2023 USD ($) purchase_period $ / shares shares	Dec. 31, 2022 USD ($) shares	Dec. 31, 2021 USD ($) shares	Jan. 01, 2023 shares	Nov. 02, 2021 $ / shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of options issued (in shares) | shares						4,340,052	5,723,772
Number of shares granted (in shares) | shares						0	0
Aggregate intrinsic value, exercised						$ 66,700,000	$ 75,100,000	$ 262,400,000
Total unrecognized stock-based compensation expense						0
Stock-based compensation expense						174,835,000	162,886,000	227,161,000
Employee payroll contributions accrued						36,171,000	34,113,000
Share-based payment arrangement, expense, tax benefit						0	0	0
Restricted Stock Units (RSUs)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Grant date fair value						238,800,000	323,000,000	350,600,000
Intrinsic value, vested						221,900,000	156,400,000	187,700,000
Total unrecognized stock-based compensation expense						$ 387,100,000
Total unrecognized compensation cost, weighted-average period (in years)						2 years 6 months
Shares granted (in shares) | shares						3,977,470
Granted (in dollars per share) | $ / shares						$ 60.05
Performance Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares granted (in shares) | shares						98,572
Granted (in dollars per share) | $ / shares						$ 54.58
Stock-based compensation expense						$ 900,000	900,000
Restricted Stock Awards | Levelset
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period (in years)			2 years
Stock-based compensation expense						$ 7,800,000	$ 9,500,000	1,600,000
Issuance of unregistered common stock for certain employees (in shares) | shares			199,670
Share price (in dollars per share) | $ / shares			$ 95.05
Shares vested (in shares) | shares							99,833
Series H-1 Restricted Stock Awards | Honest Buildings, Inc.
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense								1,600,000
Issuance of unregistered common stock for certain employees (in shares) | shares				205,464
Share price (in dollars per share) | $ / shares				$ 26.75
Shares released from restriction on the first anniversary, percentage				0.50
Shares released from restriction on the second anniversary, percentage				0.50
Conversion ratio				1
IPO | Restricted Stock Units (RSUs)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period (in years)						4 years
Recognized stock-based compensation expense		$ 115,300,000
Employee Stock Purchase Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total unrecognized stock-based compensation expense						$ 4,700,000
Total unrecognized compensation cost, weighted-average period (in years)						4 months 24 days
Stock-based compensation expense						$ 10,700,000	$ 15,000,000	$ 8,500,000
Number of purchase periods | purchase_period	3					2
Duration of purchase periods (in months)	6 months					6 months
Offering period (in months)						12 months
Percentage of eligible compensation	15.00%
Maximum amount each participant can contribute to a defined contribution plan per calendar year	$ 25,000
Maximum number of shares each participant can purchase during purchase period (in shares) | shares	2,500
Purchase price, threshold of fair market value, percentage	85.00%
Expected dividend yield utilized						0.00%
Employee payroll contributions accrued						$ 5,000,000	$ 4,700,000
Common stock, purchased (in shares) | shares						575,928	551,753	166,370
Common Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense					$ 5,500,000
Common Stock | Levelset
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share price (in dollars per share) | $ / shares										$ 95.05
Common Stock | Employee Stock Purchase Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares authorized for issuance (in shares) | shares							3,940,469		1,391,595
Total number of shares outstanding, percentage	1.00%
Period common stock is reserved for issuance (in years)	10 years
Maximum number of additional shares of common stock that may be issued (in shares) | shares	3,900,000
2021 Equity Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of options issued (in shares) | shares						0
2021 Equity Incentive Plan | Common Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares authorized for issuance (in shares) | shares						44,622,937	37,664,961
Total number of shares outstanding, percentage	5.00%
Number of shares initially available for issuance (in shares) | shares						30,314,052			6,957,976