$ALRM
Alarm.com Holdings, Inc. Stock $alrm

$alrm Overview Financials Valuation SEC Filings Company Website

2024 Q1 Form 10-K Financial Statement

#000145920024000008 Filed on February 22, 2024

Income Statement

Concept	2024 Q1	2023 Q4	2023
Revenue	$223.3M	$226.2M	$881.7M
YoY Change	6.47%	8.7%	4.64%
Cost Of Revenue	$76.52M	$81.22M	$325.2M
YoY Change	0.45%	2.06%	-5.09%
Gross Profit	$146.8M	$145.0M	$556.5M
YoY Change	9.9%	12.8%	11.31%
Gross Profit Margin	65.73%	64.1%	63.12%
Selling, General & Admin	$54.75M	$50.13M	$213.2M
YoY Change	-0.71%	2.42%	6.88%
% of Gross Profit	37.3%	34.56%	38.3%
Research & Development	$65.96M	$61.27M	$245.1M
YoY Change	6.54%	6.73%	12.11%
% of Gross Profit	44.94%	42.25%	44.04%
Depreciation & Amortization	$7.557M	$8.137M	$11.20M
YoY Change	-5.41%	0.84%	-3.45%
% of Gross Profit	5.15%	5.61%	2.01%
Operating Expenses	$128.0M	$119.3M	$489.7M
YoY Change	2.66%	4.6%	9.08%
Operating Profit	$18.73M	$25.68M	$66.83M
YoY Change	112.33%	77.45%	30.94%
Interest Expense	$7.744M	$7.881M	$26.37M
YoY Change	79.51%	101.61%	369.67%
% of Operating Profit	41.36%	30.69%	39.46%
Other Income/Expense, Net	-$318.0K	$5.838M	$4.624M
YoY Change	114.86%	-5880.2%	-7937.29%
Pretax Income	$26.15M	$39.40M	$97.83M
YoY Change	101.39%	115.53%	72.86%
Income Tax	$2.700M	$8.228M	$17.49M
% Of Pretax Income	10.32%	20.88%	17.87%
Net Earnings	$23.40M	$31.30M	$80.34M
YoY Change	64.74%	73.09%	44.42%
Net Earnings / Revenue	10.48%	13.84%	9.11%
Basic Earnings Per Share	$0.47	$0.63	$1.63
Diluted Earnings Per Share	$0.44	$0.58	$1.53
COMMON SHARES
Basic Shares Outstanding	49.95M shares	49.99M shares	49.82M shares
Diluted Shares Outstanding	55.05M shares		54.63M shares

Balance Sheet

Concept	2024 Q1	2023 Q4	2023
SHORT-TERM ASSETS
Cash & Short-Term Investments	$747.9M	$697.0M	$697.0M
YoY Change	23.32%	12.03%	12.03%
Cash & Equivalents	$747.9M	$697.0M	$697.0M
Short-Term Investments
Other Short-Term Assets	$35.81M	$33.03M	$33.03M
YoY Change	16.74%	13.68%	13.68%
Inventory	$85.72M	$96.14M	$96.14M
Prepaid Expenses
Receivables	$128.5M	$130.6M	$130.6M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$997.9M	$956.8M	$956.8M
YoY Change	13.28%	7.37%	7.37%
LONG-TERM ASSETS
Property, Plant & Equipment	$55.37M	$54.16M	$78.41M
YoY Change	-3.04%	-5.26%	-8.94%
Goodwill	$154.4M	$154.5M
YoY Change	-0.55%	4.26%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$35.38M	$39.50M	$171.3M
YoY Change	-4.15%	5.74%	40.95%
Total Long-Term Assets	$489.1M	$482.8M	$482.8M
YoY Change	2.61%	10.15%	10.15%
TOTAL ASSETS
Total Short-Term Assets	$997.9M	$956.8M	$956.8M
Total Long-Term Assets	$489.1M	$482.8M	$482.8M
Total Assets	$1.487B	$1.440B	$1.440B
YoY Change	9.54%	8.29%	8.29%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$42.46M	$39.04M	$39.04M
YoY Change	-28.1%	-26.51%	-26.51%
Accrued Expenses	$16.56M	$21.56M	$62.23M
YoY Change	-0.92%	22.92%	12.57%
Deferred Revenue	$11.13M	$10.19M
YoY Change	26.77%	35.19%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$181.2M	$175.3M	$175.3M
YoY Change	12.38%	6.31%	6.31%
LONG-TERM LIABILITIES
Long-Term Debt	$494.3M	$493.5M	$493.5M
YoY Change	0.47%	0.64%	0.64%
Other Long-Term Liabilities	$11.70M	$12.70M	$45.86M
YoY Change	-12.3%	-2.7%	-10.47%
Total Long-Term Liabilities	$11.70M	$12.70M	$539.4M
YoY Change	-12.3%	-2.7%	-0.41%
TOTAL LIABILITIES
Total Short-Term Liabilities	$181.2M	$175.3M	$175.3M
Total Long-Term Liabilities	$11.70M	$12.70M	$539.4M
Total Liabilities	$721.2M	$714.7M	$751.0M
YoY Change	2.1%	1.16%	2.81%
SHAREHOLDERS EQUITY
Retained Earnings	$289.8M	$266.2M
YoY Change	45.21%	43.77%
Common Stock	$521.0K	$519.0K
YoY Change	1.56%	1.76%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$728.1M	$688.5M	$688.5M
YoY Change
Total Liabilities & Shareholders Equity	$1.487B	$1.440B	$1.440B
YoY Change	9.54%	8.29%	8.29%

Cashflow Statement

Concept	2024 Q1	2023 Q4	2023
OPERATING ACTIVITIES
Net Income	$23.40M	$31.30M	$80.34M
YoY Change	64.74%	73.09%	44.42%
Depreciation, Depletion And Amortization	$7.557M	$8.137M	$11.20M
YoY Change	-5.41%	0.84%	-3.45%
Cash From Operating Activities	$49.85M	$39.87M	$136.0M
YoY Change	-1515.88%	15.73%	138.95%
INVESTING ACTIVITIES
Capital Expenditures	$3.066M	$2.575M	$7.517M
YoY Change	27.86%	363.13%	-73.75%
Acquisitions	$0.00		$9.696M
YoY Change	-100.0%		-69.44%
Other Investing Activities	-$487.0K	-$1.591M	-$11.79M
YoY Change	-95.22%	-69.03%	-70.28%
Cash From Investing Activities	-$3.961M	-$4.266M	-$25.97M
YoY Change	-69.4%	-25.08%	-61.99%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$27.30M
YoY Change			-65.38%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	$6.356M	-16.67M	-$31.87M
YoY Change	654.87%	-40.16%	-58.25%
NET CHANGE
Cash From Operating Activities	$49.85M	39.87M	$136.0M
Cash From Investing Activities	-$3.961M	-4.266M	-$25.97M
Cash From Financing Activities	$6.356M	-16.67M	-$31.87M
Net Change In Cash	$52.07M	18.93M	$78.20M
YoY Change	-433.58%	1996.79%	-189.12%
FREE CASH FLOW
Cash From Operating Activities	$49.85M	$39.87M	$136.0M
Capital Expenditures	$3.066M	$2.575M	$7.517M
Free Cash Flow	$46.79M	$37.29M	$128.4M
YoY Change	-890.45%	10.03%	354.51%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-11809000	usd
CY2022	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	2080000	usd
CY2021	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	1883000	usd
CY2023	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	135965000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	56901000	usd
CY2023	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	9696000	usd
CY2023	dei	Entity Central Index Key EntityCentralIndexKey	0001459200
CY2023	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2023
CY2023	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2023	dei	Amendment Flag AmendmentFlag	false
CY2021	us-gaap	Impairment Long Lived Asset Held For Use Statement Of Income Or Comprehensive Income Extensible Enumeration ImpairmentLongLivedAssetHeldForUseStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration	http://fasb.org/us-gaap/2023#OtherNonoperatingIncomeExpense
CY2023	dei	Document Annual Report DocumentAnnualReport	true
CY2023	dei	Document Period End Date DocumentPeriodEndDate	2023-12-31
CY2023	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2023	dei	Document Transition Report DocumentTransitionReport	false
CY2023	dei	Entity File Number EntityFileNumber	001-37461
CY2023	dei	Entity Registrant Name EntityRegistrantName	ALARM.COM HOLDINGS, INC.
CY2023	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2023	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	26-4247032
CY2023	dei	Entity Address Address Line1 EntityAddressAddressLine1	8281 Greensboro Drive
CY2023	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 100
CY2023	dei	Entity Address City Or Town EntityAddressCityOrTown	Tysons
CY2023	dei	Entity Address State Or Province EntityAddressStateOrProvince	VA
CY2023	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	22102
CY2023	dei	City Area Code CityAreaCode	877
CY2023	dei	Local Phone Number LocalPhoneNumber	389-4033
CY2023	dei	Security12b Title Security12bTitle	Common Stock, $0.01 par value per share
CY2023	dei	Trading Symbol TradingSymbol	ALRM
CY2023	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2023	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2023	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2023	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2023	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2023	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2023	dei	Entity Small Business EntitySmallBusiness	false
CY2023	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2023	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2023	dei	Document Fin Stmt Error Correction Flag DocumentFinStmtErrorCorrectionFlag	false
CY2023	dei	Entity Shell Company EntityShellCompany	false
CY2023Q2	dei	Entity Public Float EntityPublicFloat	1500000000	usd
CY2024Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	49945156	shares
CY2023	dei	Auditor Firm AuditorFirmId	238
CY2023	dei	Auditor Name AuditorName	PricewaterhouseCoopers LLP
CY2023	dei	Auditor Location AuditorLocation	Washington, District Of Columbia
CY2023	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	881682000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	842559000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	748969000	usd
CY2023	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	325159000	usd
CY2022	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	342581000	usd
CY2021	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	305899000	usd
CY2022	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	92748000	usd
CY2021	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	86664000	usd
CY2021	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	87406000	usd
CY2023	us-gaap	Operating Expenses OperatingExpenses	489694000	usd
CY2023	us-gaap	Operating Income Loss OperatingIncomeLoss	66829000	usd
CY2022	us-gaap	Operating Income Loss OperatingIncomeLoss	51037000	usd
CY2023	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	3429000	usd
CY2022	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	3144000	usd
CY2021	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	15956000	usd
CY2023	us-gaap	Interest Income Other InterestIncomeOther	29801000	usd
CY2022	us-gaap	Interest Income Other InterestIncomeOther	8759000	usd
CY2021	us-gaap	Interest Income Other InterestIncomeOther	587000	usd
CY2023	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	4624000	usd
CY2022	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-59000	usd
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-134000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	97825000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	56593000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	46069000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	17485000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	962000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-5106000	usd
CY2023	us-gaap	Profit Loss ProfitLoss	80340000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	55631000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	51175000	usd
CY2023	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	-703000	usd
CY2022	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	-707000	usd
CY2021	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	-1084000	usd
CY2023	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	81043000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	56338000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	52259000	usd
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.63
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.13
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.05
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.53
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.07
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.01
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	49818448	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	49926236	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	49869857	shares
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	54625434	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	54932757	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	51919902	shares
CY2023	us-gaap	Profit Loss ProfitLoss	80340000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	55631000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	51175000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	1398000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	0	usd
CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	0	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1398000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	0	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	0	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	81738000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	55631000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	51175000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-703000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-707000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-1084000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	82441000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	56338000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	52259000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	696983000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	622165000	usd
CY2023Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	3864000	usd
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	2835000	usd
CY2023Q4	alrm	Allowancefor Product Returns Current AllowanceforProductReturnsCurrent	2279000	usd
CY2022Q4	alrm	Allowancefor Product Returns Current AllowanceforProductReturnsCurrent	1551000	usd
CY2023Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	130626000	usd
CY2022Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	124283000	usd
CY2023Q4	us-gaap	Inventory Net InventoryNet	96140000	usd
CY2022Q4	us-gaap	Inventory Net InventoryNet	115584000	usd
CY2023Q4	us-gaap	Other Assets Current OtherAssetsCurrent	33031000	usd
CY2022Q4	us-gaap	Other Assets Current OtherAssetsCurrent	29056000	usd
CY2023Q4	us-gaap	Assets Current AssetsCurrent	956780000	usd
CY2022Q4	us-gaap	Assets Current AssetsCurrent	891088000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	54164000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	57172000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	78564000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	82458000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	154498000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	148183000	usd
CY2023Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	131815000	usd
CY2022Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	84185000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	24242000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	28933000	usd
CY2023Q4	alrm	Other Assets Allowance For Credit Loss OtherAssetsAllowanceForCreditLoss	5000	usd
CY2022Q4	alrm	Other Assets Allowance For Credit Loss OtherAssetsAllowanceForCreditLoss	2000	usd
CY2023Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	39500000	usd
CY2022Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	37356000	usd
CY2023Q4	us-gaap	Assets Assets	1439563000	usd
CY2022Q4	us-gaap	Assets Assets	1329375000	usd
CY2023Q4	alrm	Accounts Payable Accrued Liabilitiesand Other Current Liabilities Current AccountsPayableAccruedLiabilitiesandOtherCurrentLiabilitiesCurrent	124475000	usd
CY2022Q4	alrm	Accounts Payable Accrued Liabilitiesand Other Current Liabilities Current AccountsPayableAccruedLiabilitiesandOtherCurrentLiabilitiesCurrent	119657000	usd
CY2023Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	28626000	usd
CY2022Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	25582000	usd
CY2023Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	10193000	usd
CY2022Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	7540000	usd
CY2023Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	12043000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	12157000	usd
CY2023Q4	us-gaap	Liabilities Current LiabilitiesCurrent	175337000	usd
CY2022Q4	us-gaap	Liabilities Current LiabilitiesCurrent	164936000	usd
CY2023Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	12692000	usd
CY2022Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	10792000	usd
CY2023Q4	us-gaap	Senior Long Term Notes SeniorLongTermNotes	493515000	usd
CY2022Q4	us-gaap	Senior Long Term Notes SeniorLongTermNotes	490370000	usd
CY2023Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	20468000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	27380000	usd
CY2023Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	12697000	usd
CY2022Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	13050000	usd
CY2023Q4	us-gaap	Liabilities Liabilities	714709000	usd
CY2022Q4	us-gaap	Liabilities Liabilities	706528000	usd
CY2023Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2022Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2023Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	36308000	usd
CY2022Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	23988000	usd
CY2022Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
CY2023Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
CY2022Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2023Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2022Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2022Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2023Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2023Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2023Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2022Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2022Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2023Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2023Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	300000000	shares
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	300000000	shares
CY2023Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	51888838	shares
CY2022Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	50985454	shares
CY2023Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	49868175	shares
CY2022Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	49452709	shares
CY2023Q4	us-gaap	Common Stock Value CommonStockValue	519000	usd
CY2022Q4	us-gaap	Common Stock Value CommonStockValue	510000	usd
CY2023Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	531734000	usd
CY2022Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	497199000	usd
CY2023Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	2020663	shares
CY2022Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	1532745	shares
CY2023Q4	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	111291000	usd
CY2022Q4	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	83993000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	1398000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	0	usd
CY2023	alrm	Contract With Customer Provision For Product Returns ContractWithCustomerProvisionForProductReturns	4399000	usd
CY2022	alrm	Contract With Customer Provision For Product Returns ContractWithCustomerProvisionForProductReturns	4746000	usd
CY2021	alrm	Contract With Customer Provision For Product Returns ContractWithCustomerProvisionForProductReturns	2494000	usd
CY2023	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	3000	usd
CY2022	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-78000	usd
CY2021	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-9000	usd
CY2023	us-gaap	Inventory Write Down InventoryWriteDown	1420000	usd
CY2022	us-gaap	Inventory Write Down InventoryWriteDown	0	usd
CY2021	us-gaap	Inventory Write Down InventoryWriteDown	448000	usd
CY2023	us-gaap	Cost Of Goods And Services Sold Amortization CostOfGoodsAndServicesSoldAmortization	1213000	usd
CY2022	us-gaap	Cost Of Goods And Services Sold Amortization CostOfGoodsAndServicesSoldAmortization	1359000	usd
CY2023Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	266186000	usd
CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	185143000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	688546000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	598859000	usd
CY2023Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1439563000	usd
CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1329375000	usd
CY2023	us-gaap	Profit Loss ProfitLoss	80340000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	55631000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	51175000	usd
CY2023	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1508000	usd
CY2022	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1156000	usd
CY2021	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	-775000	usd
CY2021	us-gaap	Cost Of Goods And Services Sold Amortization CostOfGoodsAndServicesSoldAmortization	1240000	usd
CY2023	us-gaap	Depreciation And Amortization DepreciationAndAmortization	31424000	usd
CY2022	us-gaap	Depreciation And Amortization DepreciationAndAmortization	30870000	usd
CY2021	us-gaap	Depreciation And Amortization DepreciationAndAmortization	29715000	usd
CY2023	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	3145000	usd
CY2022	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	3126000	usd
CY2021	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	15823000	usd
CY2023	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	11484000	usd
CY2022	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	10499000	usd
CY2021	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	9692000	usd
CY2023	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-47730000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-55039000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-10115000	usd
CY2023	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	68000	usd
CY2022	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	0	usd
CY2021	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	0	usd
CY2023	us-gaap	Share Based Compensation ShareBasedCompensation	47283000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	52654000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	38694000	usd
CY2023	us-gaap	Gain Loss On Investments GainLossOnInvestments	0	usd
CY2022	us-gaap	Gain Loss On Investments GainLossOnInvestments	140000	usd
CY2021	us-gaap	Gain Loss On Investments GainLossOnInvestments	-86000	usd
CY2023	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2022	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-185000	usd
CY2023	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	10536000	usd
CY2022	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	24346000	usd
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	23941000	usd
CY2023	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-20961000	usd
CY2022	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	40308000	usd
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	31443000	usd
CY2023	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	1338000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	8952000	usd
CY2021	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	11912000	usd
CY2023	alrm	Increase Decreasein Accounts Payable Accrued Liabilitiesand Other Current Liabilities IncreaseDecreaseinAccountsPayableAccruedLiabilitiesandOtherCurrentLiabilities	4613000	usd
CY2022	alrm	Increase Decreasein Accounts Payable Accrued Liabilitiesand Other Current Liabilities IncreaseDecreaseinAccountsPayableAccruedLiabilitiesandOtherCurrentLiabilities	32938000	usd
CY2021	alrm	Increase Decreasein Accounts Payable Accrued Liabilitiesand Other Current Liabilities IncreaseDecreaseinAccountsPayableAccruedLiabilitiesandOtherCurrentLiabilities	39418000	usd
CY2023	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	4553000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	103157000	usd
CY2022	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	31730000	usd
CY2021	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	usd
CY2023	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	7517000	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	28640000	usd
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	11062000	usd
CY2023	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	450000	usd
CY2022	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	3000000	usd
CY2021	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	0	usd
CY2023	us-gaap	Payments To Develop Software PaymentsToDevelopSoftware	743000	usd
CY2022	us-gaap	Payments To Develop Software PaymentsToDevelopSoftware	0	usd
CY2021	us-gaap	Payments To Develop Software PaymentsToDevelopSoftware	0	usd
CY2023	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	55000	usd
CY2022	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	61000	usd
CY2021	us-gaap	Proceeds From Collection Of Notes Receivable ProceedsFromCollectionOfNotesReceivable	59000	usd
CY2023	us-gaap	Payments To Acquire Projects PaymentsToAcquireProjects	1700000	usd
CY2022	us-gaap	Payments To Acquire Projects PaymentsToAcquireProjects	5150000	usd
CY2021	us-gaap	Payments To Acquire Projects PaymentsToAcquireProjects	5000000	usd
CY2023	us-gaap	Proceeds From Sale Of Investment Projects ProceedsFromSaleOfInvestmentProjects	0	usd
CY2022	us-gaap	Proceeds From Sale Of Investment Projects ProceedsFromSaleOfInvestmentProjects	140000	usd
CY2021	us-gaap	Proceeds From Sale Of Investment Projects ProceedsFromSaleOfInvestmentProjects	0	usd
CY2023	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	5915000	usd
CY2022	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	0	usd
CY2021	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	4362000	usd
CY2023	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-25966000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-68319000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-20365000	usd
CY2023	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	0	usd
CY2022	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	0	usd
CY2021	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	110000000	usd
CY2023	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	0	usd
CY2022	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	0	usd
CY2021	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	500000000	usd
CY2023	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	usd
CY2022	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	usd
CY2021	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	15698000	usd
CY2023	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	1672000	usd
CY2022	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	1500000	usd
CY2021	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	1160000	usd
CY2023	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	27298000	usd
CY2022	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	78844000	usd
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	usd
CY2023	us-gaap	Payments For Repurchase Of Redeemable Noncontrolling Interest PaymentsForRepurchaseOfRedeemableNoncontrollingInterest	832000	usd
CY2022	us-gaap	Payments For Repurchase Of Redeemable Noncontrolling Interest PaymentsForRepurchaseOfRedeemableNoncontrollingInterest	0	usd
CY2021	us-gaap	Payments For Repurchase Of Redeemable Noncontrolling Interest PaymentsForRepurchaseOfRedeemableNoncontrollingInterest	0	usd
CY2023	us-gaap	Repayments Of Debt RepaymentsOfDebt	3040000	usd
CY2022	us-gaap	Repayments Of Debt RepaymentsOfDebt	0	usd
CY2021	us-gaap	Repayments Of Debt RepaymentsOfDebt	0	usd
CY2023	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2621000	usd
CY2022	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	0	usd
CY2021	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	4476000	usd
CY2023	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	3598000	usd
CY2022	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	4020000	usd
CY2021	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	5704000	usd
CY2023	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-31865000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-76324000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	374370000	usd
CY2023	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	66000	usd
CY2022	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	0	usd
CY2021	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	0	usd
CY2023	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	78200000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-87742000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	457162000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	622879000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	710621000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	253459000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	701079000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	622879000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	710621000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	696983000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	622165000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	710621000	usd
CY2023Q4	us-gaap	Restricted Cash RestrictedCash	4096000	usd
CY2022Q4	us-gaap	Restricted Cash RestrictedCash	714000	usd
CY2021Q4	us-gaap	Restricted Cash RestrictedCash	0	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	701079000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	622879000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	710621000	usd
CY2023	us-gaap	Interest Paid Net InterestPaidNet	192000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	0	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	114000	usd
CY2023	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	64577000	usd
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	7453000	usd
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	4146000	usd
CY2023	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	630000	usd
CY2022	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	1047000	usd
CY2021	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	1082000	usd
CY2023	alrm	Business Combination Consideration Transferred Incurred But Not Yet Paid BusinessCombinationConsiderationTransferredIncurredButNotYetPaid	2780000	usd
CY2022	alrm	Business Combination Consideration Transferred Incurred But Not Yet Paid BusinessCombinationConsiderationTransferredIncurredButNotYetPaid	4833000	usd
CY2021	alrm	Business Combination Consideration Transferred Incurred But Not Yet Paid BusinessCombinationConsiderationTransferredIncurredButNotYetPaid	850000	usd
CY2023	alrm	Business Combination Consideration Transferred Contingent Liability BusinessCombinationConsiderationTransferredContingentLiability	2061000	usd
CY2022	alrm	Business Combination Consideration Transferred Contingent Liability BusinessCombinationConsiderationTransferredContingentLiability	0	usd
CY2021	alrm	Business Combination Consideration Transferred Contingent Liability BusinessCombinationConsiderationTransferredContingentLiability	0	usd
CY2020Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	10691000	usd
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	467752000	usd
CY2021	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	5704000	usd
CY2021	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	4476000	usd
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	38694000	usd
CY2021	us-gaap	Adjustments To Additional Paid In Capital Equity Component Of Convertible Debt AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt	56515000	usd
CY2021	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	3281000	usd
CY2021	alrm	Adjustments To Additional Paid In Capital Accretion Adjustments Of Redeemable Noncontrolling Interest To Redemption Value AdjustmentsToAdditionalPaidInCapitalAccretionAdjustmentsOfRedeemableNoncontrollingInterestToRedemptionValue	3281000	usd
CY2021	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	-1084000	usd
CY2021	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	52259000	usd
CY2021Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	12888000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	613167000	usd
CY2022	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	4020000	usd
CY2022	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	78844000	usd
CY2022	alrm	Apic Share Based Payment Arrangement Long Term Incentive Plan Increase For Cost Recognition APICShareBasedPaymentArrangementLongTermIncentivePlanIncreaseForCostRecognition	3104000	usd
CY2022	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	52654000	usd
CY2022	alrm	Temporary Equity Noncontrolling Interest Assumed Through Acquisition TemporaryEquityNoncontrollingInterestAssumedThroughAcquisition	6770000	usd
CY2022	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	5037000	usd
CY2022	alrm	Adjustments To Additional Paid In Capital Accretion Adjustments Of Redeemable Noncontrolling Interest To Redemption Value AdjustmentsToAdditionalPaidInCapitalAccretionAdjustmentsOfRedeemableNoncontrollingInterestToRedemptionValue	5037000	usd
CY2022	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	-707000	usd
CY2022	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	56338000	usd
CY2022Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	23988000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	598859000	usd
CY2023	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	3598000	usd
CY2023	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	27298000	usd
CY2023	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	2621000	usd
CY2023	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	47422000	usd
CY2023	alrm	Temporary Equity Purchase Of Redeemable Noncontrolling Interest TemporaryEquityPurchaseOfRedeemableNoncontrollingInterest	1238000	usd
CY2023	alrm	Adjustments To Additional Paid In Capital Increase From Purchase Of Redeemable Noncontrolling Interest AdjustmentsToAdditionalPaidInCapitalIncreaseFromPurchaseOfRedeemableNoncontrollingInterest	406000	usd
CY2023	us-gaap	Temporary Equity Accretion To Redemption Value Adjustment TemporaryEquityAccretionToRedemptionValueAdjustment	14261000	usd
CY2023	alrm	Adjustments To Additional Paid In Capital Accretion Adjustments Of Redeemable Noncontrolling Interest To Redemption Value AdjustmentsToAdditionalPaidInCapitalAccretionAdjustmentsOfRedeemableNoncontrollingInterestToRedemptionValue	14261000	usd
CY2023	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	-703000	usd
CY2023	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	81043000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1398000	usd
CY2023Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	36308000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	688546000	usd
CY2023	us-gaap	Nature Of Operations NatureOfOperations	Organization<div style="text-indent:18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Alarm.com Holdings, Inc. (referred to herein as Alarm.com, the Company, or we) is the leading platform for the intelligently connected property. </span><span style="color:#212121;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our cloud-based platform offers an expansive suite of Internet of Things, or IoT, solutions addressing</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> opportunities in the residential, multi-family, small business and enterprise commercial markets. Alarm.com’s solutions include security, video and video analytics, energy management, access control, electric utility grid management, indoor gunshot detection, water management, health and wellness and data-rich emergency response.</span><span style="color:#212121;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our solutions are delivered through an established network of trusted service provider partners, who are experts at selling, installing and supporting our solutions. We derive revenue from the sale of our cloud-based Software-as-a-Service, or SaaS, services, license fees, software, hardware, activation fees and other revenue. Our fiscal year ends on December 31.</span></div>
CY2023	us-gaap	Use Of Estimates UseOfEstimates	<div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:700;line-height:120%">Use of Estimates</span></div><div><span><br/></span></div><div style="text-indent:18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The preparation of consolidated financial statements in conformity with accounting principles generally accepted in the United States of America, or GAAP, requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities at the date of the financial statements and the reported amounts of revenue and expenses during the reporting period. As of the date of issuance of these financial statements, we are not aware of any specific event or circumstance that would require us to update our estimates, assumptions and judgments or revise the carrying value of our assets or liabilities. However, our estimates, judgments and assumptions are continually evaluated based on available information and experience and may change as new events occur and additional information is obtained. The global economy, credit markets and financial markets have and may continue to experience significant volatility as a result of significant worldwide events, including public health crises, and geopolitical upheaval, such as Russia’s incursion into Ukraine and the war between Israel and Hamas, disruptions to global supply chains, rising interest rates, risk of recession and inflation (collectively, the Macroeconomic Conditions). Because of the use of estimates inherent in the financial reporting process and in light of the continuing uncertainty arising from the Macroeconomic Conditions, actual results could differ from those estimates and any such differences may be material. Estimates are used when accounting for revenue recognition, allowances for credit losses, allowance for hardware returns, estimates of obsolete inventory, long-term incentive compensation, the lease term and incremental borrowing rates for leases, stock-based compensation, income taxes, legal reserves, goodwill, intangible assets and other long-lived assets.</span></div>
CY2023	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:700;line-height:120%">Reclassifications</span></div><div><span><br/></span></div><div style="text-indent:18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Certain previously reported amounts in the income taxes footnote for the year ended December 31, 2022 have been reclassified to conform to our current presentation, including the reclassification for income tax underpayment interest, net of tax benefit, within the reconciliation between the federal statutory rate and the effective income tax rate.</span></div>
CY2023Q4	us-gaap	Restricted Cash RestrictedCash	4100000	usd
CY2022Q4	us-gaap	Restricted Cash RestrictedCash	700000	usd
CY2023	alrm	Accounts And Notes Receivable Credit Loss Expense Reversal AccountsAndNotesReceivableCreditLossExpenseReversal	1000000	usd
CY2022	alrm	Accounts And Notes Receivable Credit Loss Expense Reversal AccountsAndNotesReceivableCreditLossExpenseReversal	800000	usd
CY2021	alrm	Accounts And Notes Receivable Credit Loss Expense Reversal AccountsAndNotesReceivableCreditLossExpenseReversal	-1000000	usd
CY2023Q4	us-gaap	Interest Receivable InterestReceivable	100000	usd
CY2022Q4	us-gaap	Interest Receivable InterestReceivable	100000	usd
CY2022Q4	alrm	Sublease Liability SubleaseLiability	0	usd
CY2023Q4	alrm	Sublease Liability SubleaseLiability	0	usd
CY2023Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	0	usd
CY2022Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	0	usd
CY2023Q4	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	900000	usd
CY2022Q4	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	0	usd
CY2023	alrm	Revenue Recognition Number Of Primary Revenue Sources RevenueRecognitionNumberOfPrimaryRevenueSources	3	source
CY2023	alrm	Revenue Recognition Service Provider Contract Term RevenueRecognitionServiceProviderContractTerm	P1Y
CY2023	alrm	Revenue Recognition Service Provider Contract Renewal Term RevenueRecognitionServiceProviderContractRenewalTerm	P1Y
CY2022	alrm	Revenue Recognition Sales Returns Reservefor Sales Returns Percentage RevenueRecognitionSalesReturnsReserveforSalesReturnsPercentage	0.01
CY2021	alrm	Revenue Recognition Sales Returns Reservefor Sales Returns Percentage RevenueRecognitionSalesReturnsReserveforSalesReturnsPercentage	0.01
CY2023	alrm	Revenue Recognition Sales Returns Reservefor Sales Returns Percentage RevenueRecognitionSalesReturnsReserveforSalesReturnsPercentage	0.01
CY2023Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	36300000	usd
CY2022Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	24000000	usd
CY2023	alrm	Revenue Recognition Sales Returns Period RevenueRecognitionSalesReturnsPeriod	P1Y
CY2023Q4	us-gaap	Capitalized Contract Cost Amortization Period CapitalizedContractCostAmortizationPeriod	P3Y
CY2023Q4	us-gaap	Capitalized Contract Cost Amortization Period CapitalizedContractCostAmortizationPeriod	P3Y
CY2023	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:700;line-height:120%">Concentration of Credit Risk</span></div><div><span><br/></span></div><div style="text-indent:18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The financial instruments that potentially subject us to concentrations of credit risk consists principally of cash and cash equivalents and accounts receivables. All of our cash and cash equivalents are held at financial institutions that management believes to be of high credit quality. Our cash and cash equivalent accounts may exceed federally insured limits at times. We mitigate the risk of loss for our cash and cash equivalents by depositing funds with a number of reputable financial institutions and monitoring risk profiles and investment strategies of money market funds. We have not experienced any losses on cash and cash equivalents to date. To manage accounts receivable risk, we evaluate the credit worthiness of our service provider partners and maintain an allowance for credit losses. The majority of our accounts receivable balance is due from our service provider partners in North America. We assess the concentrations of credit risk with respect to accounts receivables based on one industry and one geographic region and believe our reserve for uncollectible accounts is appropriate based on our history and this concentration.</span></div>
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1	P5Y
CY2023	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	47300000	usd
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	52700000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	38700000	usd
CY2022	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	2000000	usd
CY2021	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	10100000	usd
CY2023	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	-500000	usd
CY2023Q4	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2022	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0	usd
CY2023	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0	usd
CY2021	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	100000	usd
CY2023	us-gaap	Advertising Expense AdvertisingExpense	2900000	usd
CY2022	us-gaap	Advertising Expense AdvertisingExpense	6100000	usd
CY2021	us-gaap	Advertising Expense AdvertisingExpense	9600000	usd
CY2023	us-gaap	Capitalized Contract Cost Impairment Loss CapitalizedContractCostImpairmentLoss	0	usd
CY2021	us-gaap	Capitalized Contract Cost Impairment Loss CapitalizedContractCostImpairmentLoss	0	usd
CY2022	us-gaap	Capitalized Contract Cost Impairment Loss CapitalizedContractCostImpairmentLoss	0	usd
CY2022Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	13975000	usd
CY2021Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	4520000	usd
CY2020Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	4306000	usd
CY2023	alrm	Contract With Customer Asset Commission Costsand Upfront Payments To A Customer Capitalized During Period ContractWithCustomerAssetCommissionCostsandUpfrontPaymentsToACustomerCapitalizedDuringPeriod	7837000	usd
CY2022	alrm	Contract With Customer Asset Commission Costsand Upfront Payments To A Customer Capitalized During Period ContractWithCustomerAssetCommissionCostsandUpfrontPaymentsToACustomerCapitalizedDuringPeriod	14270000	usd
CY2021	alrm	Contract With Customer Asset Commission Costsand Upfront Payments To A Customer Capitalized During Period ContractWithCustomerAssetCommissionCostsandUpfrontPaymentsToACustomerCapitalizedDuringPeriod	3779000	usd
CY2023	alrm	Contract With Customer Asset Previously Capitalized Contract Costs Reimbursement ContractWithCustomerAssetPreviouslyCapitalizedContractCostsReimbursement	6774000	usd
CY2022	alrm	Contract With Customer Asset Previously Capitalized Contract Costs Reimbursement ContractWithCustomerAssetPreviouslyCapitalizedContractCostsReimbursement	0	usd
CY2021	alrm	Contract With Customer Asset Previously Capitalized Contract Costs Reimbursement ContractWithCustomerAssetPreviouslyCapitalizedContractCostsReimbursement	0	usd
CY2023	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	5939000	usd
CY2022	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	4815000	usd
CY2021	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	3565000	usd
CY2023Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	9099000	usd
CY2022Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	13975000	usd
CY2021Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	4520000	usd
CY2022Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	18332000	usd
CY2021Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	14837000	usd
CY2020Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	12529000	usd
CY2023	alrm	Contract With Customer Liability Revenue Deferred During Period ContractWithCustomerLiabilityRevenueDeferredDuringPeriod	22861000	usd
CY2022	alrm	Contract With Customer Liability Revenue Deferred During Period ContractWithCustomerLiabilityRevenueDeferredDuringPeriod	18617000	usd
CY2021	alrm	Contract With Customer Liability Revenue Deferred During Period ContractWithCustomerLiabilityRevenueDeferredDuringPeriod	13947000	usd
CY2023	alrm	Contract With Customer Liability Revenue Recognized Including Opening Balance ContractWithCustomerLiabilityRevenueRecognizedIncludingOpeningBalance	18308000	usd
CY2022	alrm	Contract With Customer Liability Revenue Recognized Including Opening Balance ContractWithCustomerLiabilityRevenueRecognizedIncludingOpeningBalance	15122000	usd
CY2021	alrm	Contract With Customer Liability Revenue Recognized Including Opening Balance ContractWithCustomerLiabilityRevenueRecognizedIncludingOpeningBalance	11639000	usd
CY2023Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	22885000	usd
CY2022Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	18332000	usd
CY2021Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	14837000	usd
CY2023Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	136769000	usd
CY2022Q4	us-gaap	Accounts Receivable Gross Current AccountsReceivableGrossCurrent	128669000	usd
CY2023Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	3864000	usd
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	2835000	usd
CY2023Q4	alrm	Allowancefor Product Returns Current AllowanceforProductReturnsCurrent	2279000	usd
CY2022Q4	alrm	Allowancefor Product Returns Current AllowanceforProductReturnsCurrent	1551000	usd
CY2023Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	130626000	usd
CY2022Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	124283000	usd
CY2023	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1500000	usd
CY2022	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1200000	usd
CY2021	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	-800000	usd
CY2023Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	30452000	usd
CY2022Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	38098000	usd
CY2023Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	275000	usd
CY2022Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	0	usd
CY2023Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	65413000	usd
CY2022Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	77486000	usd
CY2023Q4	us-gaap	Inventory Net InventoryNet	96140000	usd
CY2022Q4	us-gaap	Inventory Net InventoryNet	115584000	usd
CY2023	us-gaap	Inventory Write Down InventoryWriteDown	1400000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	125609000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	116980000	usd
CY2023Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	71445000	usd
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	59808000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	54164000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	57172000	usd
CY2023	us-gaap	Depreciation Depreciation	11200000	usd
CY2022	us-gaap	Depreciation Depreciation	11600000	usd
CY2021	us-gaap	Depreciation Depreciation	10400000	usd
CY2023	us-gaap	Capitalized Computer Software Amortization1 CapitalizedComputerSoftwareAmortization1	0	usd
CY2022	us-gaap	Capitalized Computer Software Amortization1 CapitalizedComputerSoftwareAmortization1	600000	usd
CY2021	us-gaap	Capitalized Computer Software Amortization1 CapitalizedComputerSoftwareAmortization1	2000000	usd
CY2022	us-gaap	Property Plant And Equipment Disposals PropertyPlantAndEquipmentDisposals	0	usd
CY2021	us-gaap	Property Plant And Equipment Disposals PropertyPlantAndEquipmentDisposals	0	usd
CY2023	us-gaap	Property Plant And Equipment Disposals PropertyPlantAndEquipmentDisposals	0	usd
CY2021Q4	us-gaap	Goodwill Goodwill	112901000	usd
CY2022	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	37907000	usd
CY2022	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	-2625000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	148183000	usd
CY2023	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	7200000	usd
CY2023	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	-1509000	usd
CY2023	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	624000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	154498000	usd
CY2023	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2022	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2021	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2021Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	91406000	usd
CY2022	us-gaap	Finitelived Intangible Assets Acquired1 FinitelivedIntangibleAssetsAcquired1	9485000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	18433000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	82458000	usd
CY2023	us-gaap	Finitelived Intangible Assets Acquired1 FinitelivedIntangibleAssetsAcquired1	14515000	usd
CY2023	us-gaap	Capitalized Computer Software Additions CapitalizedComputerSoftwareAdditions	882000	usd
CY2023	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	19291000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	78564000	usd
CY2023	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	19300000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	18400000	usd
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	17100000	usd
CY2022	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0	usd
CY2023	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0	usd
CY2021	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	100000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	203697000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	125133000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	78564000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	188300000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	105842000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	82458000	usd
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CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	17575000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	16045000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	13787000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	8839000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	3948000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	78564000	usd
CY2022	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	0	usd
CY2023	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	0	usd
CY2021	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	0	usd
CY2023Q4	us-gaap	Prepaid Expense Current And Noncurrent PrepaidExpenseCurrentAndNoncurrent	14600000	usd
CY2022Q4	us-gaap	Prepaid Expense Current And Noncurrent PrepaidExpenseCurrentAndNoncurrent	14500000	usd
CY2022Q2	alrm	Apic Share Based Payment Arrangement Long Term Incentive Plan Increase For Cost Recognition APICShareBasedPaymentArrangementLongTermIncentivePlanIncreaseForCostRecognition	3100000	usd
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Plan Modification Incremental Compensation Cost ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost	1200000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Renewal Term LesseeOperatingLeaseRenewalTerm	P5Y
CY2023Q4	alrm	Operating Lease Available Leasehold Improvement Allowance OperatingLeaseAvailableLeaseholdImprovementAllowance	12100000	usd
CY2023	us-gaap	Operating Lease Cost OperatingLeaseCost	11484000	usd
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	10499000	usd
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	9692000	usd
CY2023	us-gaap	Operating Lease Payments OperatingLeasePayments	13947000	usd
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	12723000	usd
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	11809000	usd
CY2023	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	5262000	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	7474000	usd
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	5158000	usd
CY2023Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P3Y
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P3Y4M24D
CY2023Q4	us-gaap	Lessee Operating Lease Discount Rate LesseeOperatingLeaseDiscountRate	0.049
CY2022Q4	us-gaap	Lessee Operating Lease Discount Rate LesseeOperatingLeaseDiscountRate	0.039
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	13736000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	11609000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	6962000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	1610000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	925000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	1461000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	36303000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	3792000	usd
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	32511000	usd
CY2023Q4	alrm	Lessee Operating Lease Lease Not Yet Commenced Minimum Lease Payments LesseeOperatingLeaseLeaseNotYetCommencedMinimumLeasePayments	5100000	usd
CY2023Q4	alrm	Lessee Operating Lease Option To Extend Amount LesseeOperatingLeaseOptionToExtendAmount	0	usd
CY2023Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	39038000	usd
CY2022Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	53121000	usd
CY2023Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	21559000	usd
CY2022Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	17539000	usd
CY2023Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	42501000	usd
CY2022Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	43576000	usd
CY2023Q4	alrm	Business Combination Contingent Consideration And Holdback Liability Current BusinessCombinationContingentConsiderationAndHoldbackLiabilityCurrent	7340000	usd
CY2022Q4	alrm	Business Combination Contingent Consideration And Holdback Liability Current BusinessCombinationContingentConsiderationAndHoldbackLiabilityCurrent	0	usd
CY2023Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	14037000	usd
CY2023	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	27300000	usd
CY2022	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	78800000	usd
CY2021	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	0	shares
CY2023	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2600000	usd
CY2021	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	4500000	usd
CY2022	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	0	usd
CY2022Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	5421000	usd
CY2023Q4	alrm	Accounts Payable Accrued Liabilitiesand Other Current Liabilities Current AccountsPayableAccruedLiabilitiesandOtherCurrentLiabilitiesCurrent	124475000	usd
CY2022Q4	alrm	Accounts Payable Accrued Liabilitiesand Other Current Liabilities Current AccountsPayableAccruedLiabilitiesandOtherCurrentLiabilitiesCurrent	119657000	usd
CY2023Q4	alrm	Business Combination Consideration Transferred Holdback Amount Noncurrent BusinessCombinationConsiderationTransferredHoldbackAmountNoncurrent	0	usd
CY2022Q4	alrm	Business Combination Consideration Transferred Holdback Amount Noncurrent BusinessCombinationConsiderationTransferredHoldbackAmountNoncurrent	4560000	usd
CY2023Q4	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	2061000	usd
CY2022Q4	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	0	usd
CY2023Q4	us-gaap	Other Accrued Liabilities Noncurrent OtherAccruedLiabilitiesNoncurrent	10636000	usd
CY2022Q4	us-gaap	Other Accrued Liabilities Noncurrent OtherAccruedLiabilitiesNoncurrent	8490000	usd
CY2023Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	12697000	usd
CY2022Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	13050000	usd
CY2023Q4	us-gaap	Share Price SharePrice	64.62
CY2023Q4	alrm	Numberof Stock Classes NumberofStockClasses	2	class_of_stock
CY2015Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	300000000	shares
CY2015Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2023Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	51888838	shares
CY2022Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	50985454	shares
CY2023Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	49868175	shares
CY2022Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	49452709	shares
CY2022Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2022Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2023Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2023Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2023Q4	alrm	Common Stock Voting Rights Number Of Votes CommonStockVotingRightsNumberOfVotes	1
CY2020Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	100000000	usd
CY2020Q4	us-gaap	Stock Repurchase Program Period In Force1 StockRepurchaseProgramPeriodInForce1	P3Y
CY2023Q1	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	100000000	usd
CY2023Q1	us-gaap	Stock Repurchase Program Period In Force1 StockRepurchaseProgramPeriodInForce1	P2Y
CY2023	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	487918	shares
CY2022	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	1385592	shares
CY2023	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	47283000	usd
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	52654000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	38694000	usd
CY2023	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	47283000	usd
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	52654000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	38694000	usd
CY2023	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	-508000	usd
CY2022	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	2022000	usd
CY2021	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	10063000	usd
CY2021Q4	alrm	Common Stock Capital Shares Reservedfor Future Issuance Annual Percentage Increase CommonStockCapitalSharesReservedforFutureIssuanceAnnualPercentageIncrease	0.050
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	237400	shares
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	184500	shares
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	143700	shares
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1186651	shares
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	40.60
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P5Y7M6D
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	18309000	usd
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	237400	shares
CY2023	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	52.56
CY2023	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	140952	shares
CY2023	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	13.87
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	5595000	usd
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	11571	shares
CY2023	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	38.57
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	750	shares
CY2023	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	4.00
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1270778	shares
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	45.84
CY2023	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P5Y10M24D
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	26360000	usd
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	1270778	shares
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	45.84
CY2023	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P5Y10M24D
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	26360000	usd
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber	743664	shares
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice	36.94
CY2023	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1	P4Y2M12D
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue	21590000	usd
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	23.01
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	24.68
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	36.63
CY2023	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	3300000	usd
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	3300000	usd
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	3400000	usd
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	5600000	usd
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	5700000	usd
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	21900000	usd
CY2023Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions	6800000	usd
CY2023	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	2000000	usd
CY2022	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	2500000	usd
CY2021	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	4200000	usd
CY2023	us-gaap	Profit Loss ProfitLoss	80340000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	55631000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	51175000	usd
CY2023	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	-703000	usd
CY2022	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	-707000	usd
CY2021	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	-1084000	usd
CY2023	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	81043000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	56338000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	52259000	usd
CY2023	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	2367000	usd
CY2022	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	2352000	usd
CY2021	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	0	usd
CY2023	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	83410000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	58690000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	52259000	usd
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	49818448	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	49926236	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	49869857	shares
CY2023	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	4806986	shares
CY2022	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	5006521	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	2050045	shares
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	54625434	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	54932757	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	51919902	shares
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.63
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.13
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.05
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.53
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.07
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.01
CY2023	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	2400000	usd
CY2022	us-gaap	Interest On Convertible Debt Net Of Tax InterestOnConvertibleDebtNetOfTax	2400000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	97453000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	56531000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	46019000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	372000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	62000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	50000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	97825000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	56593000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	46069000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0
CY2023	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	51923000	usd
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	44591000	usd
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	2678000	usd
CY2023	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	11577000	usd
CY2022	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	10730000	usd
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1437000	usd
CY2023	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	1715000	usd
CY2022	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	680000	usd
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	894000	usd
CY2023	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	65215000	usd
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	56001000	usd
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	5009000	usd
CY2023	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-40519000	usd
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-45609000	usd
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-9295000	usd
CY2023	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-6986000	usd
CY2022	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-9271000	usd
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-820000	usd
CY2023	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-225000	usd
CY2022	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-159000	usd
CY2021	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	0	usd
CY2023	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-47730000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-55039000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-10115000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	17485000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	962000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-5106000	usd
CY2023	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2022	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2023	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.030
CY2022	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.010
CY2021	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	-0.010
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.001
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Meals And Entertainment EffectiveIncomeTaxRateReconciliationNondeductibleExpenseMealsAndEntertainment	0.002
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Meals And Entertainment EffectiveIncomeTaxRateReconciliationNondeductibleExpenseMealsAndEntertainment	0.009
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Meals And Entertainment EffectiveIncomeTaxRateReconciliationNondeductibleExpenseMealsAndEntertainment	0.005
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Fdii Percent EffectiveIncomeTaxRateReconciliationFdiiPercent	0.044
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Fdii Percent EffectiveIncomeTaxRateReconciliationFdiiPercent	0.070
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Fdii Percent EffectiveIncomeTaxRateReconciliationFdiiPercent	0.017
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.007
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.004
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0.011
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.072
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.165
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.177
CY2023	alrm	Effective Income Tax Rate Reconciliation Tax Windfall Shortfall Benefits EffectiveIncomeTaxRateReconciliationTaxWindfallShortfallBenefits	-0.004
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Files In Submission

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$ALRM
Alarm.com Holdings, Inc. Stock $alrm

2024 Q1 Form 10-K Financial Statement

#000145920024000008 Filed on February 22, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ALRM Alarm.com Holdings, Inc. Stock $alrm

2024 Q1 Form 10-K Financial Statement

#000145920024000008 Filed on February 22, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ALRM
Alarm.com Holdings, Inc. Stock $alrm