$ALX
ALEXANDERS INC Stock $alx

$alx Overview Financials Valuation SEC Filings Company Website

2021 Q4 Form 10-K Financial Statement

#000000349922000004 Filed on February 14, 2022

Income Statement

Concept	2021 Q4	2021	2020 Q4
Revenue	$49.66M	$206.1M	$56.10M
YoY Change	-11.48%	3.52%	0.39%
Cost Of Revenue	$23.80M	$96.30M	$26.10M
YoY Change	-8.81%	3.43%	12.5%
Gross Profit	$25.86M	$109.9M	$30.00M
YoY Change	-13.81%	3.54%	-7.98%
Gross Profit Margin	52.07%	53.29%	53.48%
Selling, General & Admin	$1.286M	$746.0K
YoY Change		-53.38%
% of Gross Profit	4.97%	0.68%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$7.669M	$34.59M	$9.500M
YoY Change	-19.27%	-1.51%	4.4%
% of Gross Profit	29.66%	31.49%	31.67%
Operating Expenses	$7.175M	$130.0M	$8.900M
YoY Change	-19.38%	2.27%	1.14%
Operating Profit	$18.68M	-$20.10M	$21.10M
YoY Change	-11.46%	-4.14%	-11.34%
Interest Expense	-$4.106M	-$15.57M	-$2.600M
YoY Change	57.92%	-48.29%	-72.63%
% of Operating Profit	-21.98%		-12.32%
Other Income/Expense, Net
YoY Change
Pretax Income	$75.40M	$130.6M	$18.40M
YoY Change	309.79%	211.65%	27.78%
Income Tax
% Of Pretax Income
Net Earnings	$77.75M	$132.9M	$18.40M
YoY Change	322.55%	216.96%	27.48%
Net Earnings / Revenue	156.57%	64.48%	32.8%
Basic Earnings Per Share		$25.94
Diluted Earnings Per Share	$15.17M	$25.94	$3.608M
COMMON SHARES
Basic Shares Outstanding	5.107M shares	5.124M shares	5.107M shares
Diluted Shares Outstanding		5.124M shares

Balance Sheet

Concept	2021 Q4	2021	2020 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$463.5M	$463.5M	$434.7M
YoY Change	6.63%	8.13%	39.13%
Cash & Equivalents	$463.5M	$463.5M	$428.7M
Short-Term Investments	$0.00		$6.024M
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables	$6.385M	$6.385M	$8.100M
Other Receivables	$135.5M	$135.5M	$145.3M
Total Short-Term Assets	$605.4M	$605.4M	$582.1M
YoY Change	4.0%	4.0%	23.69%
LONG-TERM ASSETS
Property, Plant & Equipment	$698.9M	$698.9M	$720.9M
YoY Change	-3.06%	-3.06%	-0.07%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$0.00	$0.00	$6.000M
YoY Change	-100.0%	-100.0%	-58.33%
Other Assets	$51.28M	$51.28M	$57.70M
YoY Change	-11.13%	-11.13%	1.23%
Total Long-Term Assets	$786.6M	$786.6M	$822.0M
YoY Change	-4.31%	-4.31%	3.41%
TOTAL ASSETS
Total Short-Term Assets	$605.4M	$605.4M	$582.1M
Total Long-Term Assets	$786.6M	$786.6M	$822.0M
Total Assets	$1.392B	$1.392B	$1.404B
YoY Change	-0.87%	-0.86%	10.95%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$44.68M	$44.68M	$35.30M
YoY Change	26.58%	26.58%	11.01%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$45.56M	$45.56M	$36.80M
YoY Change	23.8%	23.8%	-3.16%
LONG-TERM LIABILITIES
Long-Term Debt	$1.090B	$1.090B	$1.156B
YoY Change	-5.76%	-5.76%	19.07%
Other Long-Term Liabilities	$4.203M	$4.203M	$7.900M
YoY Change	-46.8%	-46.8%	163.33%
Total Long-Term Liabilities	$1.094B	$1.094B	$1.164B
YoY Change	-6.04%	-6.04%	19.52%
TOTAL LIABILITIES
Total Short-Term Liabilities	$45.56M	$45.56M	$36.80M
Total Long-Term Liabilities	$1.094B	$1.094B	$1.164B
Total Liabilities	$1.139B	$1.139B	$1.201B
YoY Change	-5.12%	-5.12%	18.67%
SHAREHOLDERS EQUITY
Retained Earnings	$206.9M		$166.2M
YoY Change	24.5%		-23.21%
Common Stock	$5.173M		$5.173M
YoY Change	0.0%		0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$368.0K		$368.0K
YoY Change	0.0%		0.0%
Treasury Stock Shares	66.16K shares		66.16K shares
Shareholders Equity	$252.6M	$252.6M	$203.2M
YoY Change
Total Liabilities & Shareholders Equity	$1.392B	$1.392B	$1.404B
YoY Change	-0.87%	-0.86%	10.95%

Cashflow Statement

Concept	2021 Q4	2021	2020 Q4
OPERATING ACTIVITIES
Net Income	$77.75M	$132.9M	$18.40M
YoY Change	322.55%	216.96%	27.48%
Depreciation, Depletion And Amortization	$7.669M	$34.59M	$9.500M
YoY Change	-19.27%	-1.51%	4.4%
Cash From Operating Activities	$27.55M	$118.5M	$22.60M
YoY Change	21.88%	51.75%	-13.41%
INVESTING ACTIVITIES
Capital Expenditures	-$4.809M	-$19.52M	-$8.900M
YoY Change	-45.97%	-39.94%	217.86%
Acquisitions
YoY Change
Other Investing Activities	$82.09M	$94.98M	$0.00
YoY Change
Cash From Investing Activities	$77.28M	$75.46M	-$8.900M
YoY Change	-968.28%	-332.46%	217.86%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net		$68.00M
YoY Change		36.0%
Cash From Financing Activities	-91.09M	-$160.3M	66.40M
YoY Change	-237.18%	-277.52%	-388.7%
NET CHANGE
Cash From Operating Activities	27.55M	$118.5M	22.60M
Cash From Investing Activities	77.28M	$75.46M	-8.900M
Cash From Financing Activities	-91.09M	-$160.3M	66.40M
Net Change In Cash	13.73M	$33.63M	80.10M
YoY Change	-82.85%	-75.26%	26600.0%
FREE CASH FLOW
Cash From Operating Activities	$27.55M	$118.5M	$22.60M
Capital Expenditures	-$4.809M	-$19.52M	-$8.900M
Free Cash Flow	$32.36M	$138.0M	$31.50M
YoY Change	2.71%	24.8%	9.0%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021	dei	Document Type DocumentType	10-K
CY2021	dei	Entity Central Index Key EntityCentralIndexKey	0000003499
CY2021	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
CY2021	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2021	dei	Amendment Flag AmendmentFlag	false
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#OtherAssets
CY2021Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#OtherLiabilities
CY2021	dei	Document Annual Report DocumentAnnualReport	true
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2021	dei	Document Transition Report DocumentTransitionReport	false
CY2021	dei	Entity File Number EntityFileNumber	001-06064
CY2021	dei	Entity Registrant Name EntityRegistrantName	ALEXANDERS INC
CY2021	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2021	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	51-0100517
CY2021	dei	Entity Address Address Line1 EntityAddressAddressLine1	210 Route 4 East,
CY2021	dei	Entity Address City Or Town EntityAddressCityOrTown	Paramus,
CY2021	dei	Entity Address State Or Province EntityAddressStateOrProvince	NJ
CY2021	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	07652
CY2021	dei	City Area Code CityAreaCode	(201)
CY2021	dei	Local Phone Number LocalPhoneNumber	587-8541
CY2021	dei	Security12b Title Security12bTitle	Common Stock, $1 par value per share
CY2021	dei	Trading Symbol TradingSymbol	ALX
CY2021	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2021	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2021	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2021	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2021	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2021	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
CY2021	dei	Entity Small Business EntitySmallBusiness	false
CY2021	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2021	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2021	dei	Entity Shell Company EntityShellCompany	false
CY2021Q2	dei	Entity Public Float EntityPublicFloat	569493000	USD
CY2022Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	5107290	shares
CY2021	dei	Auditor Firm AuditorFirmId	34
CY2021	dei	Auditor Name AuditorName	DELOITTE & TOUCHE LLP
CY2021	dei	Auditor Location AuditorLocation	New York, New York
CY2021Q4	us-gaap	Land Land	33050000	USD
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CY2021Q4	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	1014525000	USD
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CY2021Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	1069426000	USD
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CY2020Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	350122000	USD
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CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	25.94
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CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	5118198	shares
CY2021	us-gaap	Net Income Loss NetIncomeLoss	132930000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	41939000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	60075000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	8201000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-658000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	78000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	60153000	USD
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CY2019	us-gaap	Net Income Loss NetIncomeLoss	60075000	USD
CY2019	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	18.00
CY2019	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	92124000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	78000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	394000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	253515000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	41939000	USD
CY2020	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	18.00
CY2020	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	92168000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-658000	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	600000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	203228000	USD
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CY2021	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	18.00
CY2021	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	92220000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	600000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	8201000	USD
CY2021	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Units Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition	450000	USD
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	252589000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	132930000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	41939000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	60075000	USD
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	34592000	USD
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	35121000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	36515000	USD
CY2021	us-gaap	Straight Line Rent StraightLineRent	-9817000	USD
CY2020	us-gaap	Straight Line Rent StraightLineRent	-21102000	USD
CY2019	us-gaap	Straight Line Rent StraightLineRent	-2413000	USD
CY2021	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	0	USD
CY2020	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	4122000	USD
CY2019	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	0	USD
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	450000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	394000	USD
CY2021	us-gaap	Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax	2348000	USD
CY2021	alx	Gains Losses On Sales Of Investment Real Estate Including Discontinued Operations GainsLossesOnSalesOfInvestmentRealEstateIncludingDiscontinuedOperations	72298000	USD
CY2020	alx	Gains Losses On Sales Of Investment Real Estate Including Discontinued Operations GainsLossesOnSalesOfInvestmentRealEstateIncludingDiscontinuedOperations	0	USD
CY2019	alx	Gains Losses On Sales Of Investment Real Estate Including Discontinued Operations GainsLossesOnSalesOfInvestmentRealEstateIncludingDiscontinuedOperations	0	USD
CY2021	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	3482000	USD
CY2020	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-8599000	USD
CY2019	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-8757000	USD
CY2021	us-gaap	Investment Income Dividend InvestmentIncomeDividend	0	USD
CY2020	us-gaap	Investment Income Dividend InvestmentIncomeDividend	214000	USD
CY2019	us-gaap	Investment Income Dividend InvestmentIncomeDividend	0	USD
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-1731000	USD
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	6146000	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	2017000	USD
CY2021	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-3099000	USD
CY2020	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	28378000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-21553000	USD
CY2021	us-gaap	Increase Decrease In Due To Related Parties IncreaseDecreaseInDueToRelatedParties	-211000	USD
CY2020	us-gaap	Increase Decrease In Due To Related Parties IncreaseDecreaseInDueToRelatedParties	-402000	USD
CY2019	us-gaap	Increase Decrease In Due To Related Parties IncreaseDecreaseInDueToRelatedParties	789000	USD
CY2021	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	12501000	USD
CY2020	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	2361000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-1800000	USD
CY2021	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-664000	USD
CY2020	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-638000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-609000	USD
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CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	78066000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	126070000	USD
CY2021	alx	Payments For Capital Improvements And Construction In Process PaymentsForCapitalImprovementsAndConstructionInProcess	19520000	USD
CY2020	alx	Payments For Capital Improvements And Construction In Process PaymentsForCapitalImprovementsAndConstructionInProcess	32460000	USD
CY2019	alx	Payments For Capital Improvements And Construction In Process PaymentsForCapitalImprovementsAndConstructionInProcess	9449000	USD
CY2021	us-gaap	Proceeds From Sale Of Land Heldforinvestment ProceedsFromSaleOfLandHeldforinvestment	81871000	USD
CY2020	us-gaap	Proceeds From Sale Of Land Heldforinvestment ProceedsFromSaleOfLandHeldforinvestment	0	USD
CY2019	us-gaap	Proceeds From Sale Of Land Heldforinvestment ProceedsFromSaleOfLandHeldforinvestment	0	USD
CY2021	us-gaap	Proceeds From Maturities Prepayments And Calls Of Shortterm Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments	3600000	USD
CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Shortterm Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments	0	USD
CY2019	us-gaap	Proceeds From Maturities Prepayments And Calls Of Shortterm Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments	0	USD
CY2021	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	9506000	USD
CY2020	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	0	USD
CY2019	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	0	USD
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	75457000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-32460000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-9449000	USD
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	92220000	USD
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	92168000	USD
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	92124000	USD
CY2021	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	74000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	289495000	USD
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	483505000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	449877000	USD
CY2020	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	7246000	USD
CY2019	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	15000	USD
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	68000000	USD
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	50000000	USD
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	USD
CY2021	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	239708000	USD
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-160294000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	90294000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-92139000	USD
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	33628000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	135900000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	24482000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	449877000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	313977000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	313977000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	428710000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	298063000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	283056000	USD
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	21167000	USD
CY2019Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	15914000	USD
CY2018Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	6439000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	449877000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	313977000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	289495000	USD
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	463539000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	428710000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	298063000	USD
CY2021Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	19966000	USD
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	21167000	USD
CY2019Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	15914000	USD
CY2021Q4	alx	Net Basis Difference Of Assets And Liabilities Between Tax Basis And Gaap Basis NetBasisDifferenceOfAssetsAndLiabilitiesBetweenTaxBasisAndGAAPBasis	144100000	USD
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	483505000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	449877000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	313977000	USD
CY2021	us-gaap	Interest Paid Net InterestPaidNet	18568000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	22476000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	34669000	USD
CY2021	alx	Non Cash Additions To Real Estate NonCashAdditionsToRealEstate	1445000	USD
CY2020	alx	Non Cash Additions To Real Estate NonCashAdditionsToRealEstate	4955000	USD
CY2019	alx	Non Cash Additions To Real Estate NonCashAdditionsToRealEstate	3191000	USD
CY2021	alx	Write Off Of Fully Amortized And Depreciated Assets WriteOffOfFullyAmortizedAndDepreciatedAssets	5628000	USD
CY2020	alx	Write Off Of Fully Amortized And Depreciated Assets WriteOffOfFullyAmortizedAndDepreciatedAssets	876000	USD
CY2019	alx	Write Off Of Fully Amortized And Depreciated Assets WriteOffOfFullyAmortizedAndDepreciatedAssets	0	USD
CY2021	alx	Reclassificationof Prepaid Real Estate Taxesto Constructionin Progress ReclassificationofPrepaidRealEstateTaxestoConstructioninProgress	0	USD
CY2020	alx	Reclassificationof Prepaid Real Estate Taxesto Constructionin Progress ReclassificationofPrepaidRealEstateTaxestoConstructioninProgress	0	USD
CY2019	alx	Reclassificationof Prepaid Real Estate Taxesto Constructionin Progress ReclassificationofPrepaidRealEstateTaxestoConstructioninProgress	1466000	USD
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	5428000	USD
CY2021	us-gaap	Nature Of Operations NatureOfOperations	ORGANIZATION<div style="text-align:justify;text-indent:13.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Alexander’s, Inc. (NYSE: ALX) is a real estate investment trust (“REIT”), incorporated in Delaware, engaged in leasing, managing, developing and redeveloping its properties. All references to “we,” “us,” “our,” “Company” and “Alexander’s” refer to Alexander’s, Inc. and its consolidated subsidiaries. We are managed by, and our properties are leased and developed by, Vornado Realty Trust (“Vornado”) (NYSE: VNO).</span></div><div style="text-align:justify;text-indent:13.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </span></div><div style="text-align:justify;text-indent:13.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">We have six properties in the New York City metropolitan area consisting of:</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:7pt;font-weight:400;line-height:120%"> </span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline">Operating properties</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">731 Lexington Avenue, a 1,079,000 square foot multi-use building, comprising the entire block bounded by Lexington Avenue, East 59</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:6.5pt;font-weight:400;line-height:120%;position:relative;top:-3.5pt;vertical-align:baseline">th</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> Street, Third Avenue and East 58</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:6.5pt;font-weight:400;line-height:120%;position:relative;top:-3.5pt;vertical-align:baseline">th</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> Street in Manhattan. The building contains 939,000 and 140,000 of net rentable square feet of office and retail space, respectively. Bloomberg L.P. (“Bloomberg”) occupies all of the office space. The Home Depot (83,000 square feet) is the principal retail tenant;</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">Rego Park I, a 338,000 square foot shopping center, located on Queens Boulevard and 63</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:5.2pt;font-weight:400;line-height:120%;position:relative;top:-2.8pt;vertical-align:baseline">rd</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> Road in Queens. The center is anchored by a 112,000 square foot IKEA, a 50,000 square foot Burlington, a 46,000 square foot Bed Bath & Beyond and a 36,000 square foot Marshalls;</span></div><div style="padding-left:36pt;text-align:justify"><span><br/></span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">Rego Park II, a 615,000 square foot shopping center, adjacent to the Rego Park I shopping center in Queens. The center is anchored by a 145,000 square foot Costco and a 133,000 square foot Kohl’s, which has been subleased; </span></div><div style="padding-left:36pt;text-align:justify"><span><br/></span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:15.2pt">The Alexander apartment tower, located above our Rego Park II shopping center, contains 312 units aggregating 255,000 square feet;</span></div><div style="text-align:justify"><span><br/></span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:15.2pt">Flushing, a 167,000 square foot building, located on Roosevelt Avenue and Main Street in Queens, that is sub-leased to New World Mall LLC.</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline">Property to be developed</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </span></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">Rego Park III, a 140,000 square foot land parcel adjacent to the Rego Park II shopping center in Queens, at the intersection of Junction Boulevard and the Horace Harding Service Road.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify;text-indent:13.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">We have determined that our properties have similar economic characteristics and meet the criteria that permit the properties to be aggregated into one reportable segment (the leasing, management, development and redeveloping of properties in the New York City metropolitan area). Our chief operating decision-maker assesses and measures segment operating results based on a performance measure referred to as net operating income at the individual operating segment. Net operating income for each property represents net rental revenues less operating expenses.</span></div>
CY2021Q4	us-gaap	Number Of Real Estate Properties NumberOfRealEstateProperties	6	property
CY2021	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	segment
CY2021Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	698869000	USD
CY2020Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	720921000	USD
CY2021	alx	Cash And Cash Equivalent Maturity Maximum CashAndCashEquivalentMaturityMaximum	P3M
CY2021	alx	Estimated Taxable Income Net EstimatedTaxableIncomeNet	101184000	USD
CY2020	alx	Estimated Taxable Income Net EstimatedTaxableIncomeNet	81375000	USD
CY2019	alx	Estimated Taxable Income Net EstimatedTaxableIncomeNet	74079000	USD
CY2021	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	198109000	USD
CY2020	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	191416000	USD
CY2019	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	217251000	USD
CY2021	us-gaap	Revenues Revenues	206148000	USD
CY2020	us-gaap	Revenues Revenues	199142000	USD
CY2019	us-gaap	Revenues Revenues	226350000	USD
CY2021	us-gaap	Operating Lease Lease Income Lease Payments OperatingLeaseLeaseIncomeLeasePayments	129509000	USD
CY2020	us-gaap	Operating Lease Lease Income Lease Payments OperatingLeaseLeaseIncomeLeasePayments	120395000	USD
CY2019	us-gaap	Operating Lease Lease Income Lease Payments OperatingLeaseLeaseIncomeLeasePayments	142679000	USD
CY2021	us-gaap	Operating Lease Variable Lease Income OperatingLeaseVariableLeaseIncome	68600000	USD
CY2020	us-gaap	Operating Lease Variable Lease Income OperatingLeaseVariableLeaseIncome	71021000	USD
CY2019	us-gaap	Operating Lease Variable Lease Income OperatingLeaseVariableLeaseIncome	74572000	USD
CY2021	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	198109000	USD
CY2020	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	191416000	USD
CY2019	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	217251000	USD
CY2021Q4	alx	Number Of Shares Sold NumberOfSharesSold	564612	shares
CY2021Q4	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	9506000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	0	USD
CY2020Q4	us-gaap	Marketable Securities MarketableSecurities	6024000	USD
CY2021Q4	alx	Pledged Assets Seperately Reported Real Estate Pledged As Collateral At Carrying Value PledgedAssetsSeperatelyReportedRealEstatePledgedAsCollateralAtCarryingValue	629134000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	0	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	0	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	500000000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	502544000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	94000000	USD
CY2021Q4	us-gaap	Lessor Operating Lease Payments To Be Received Next Twelve Months LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths	135951000	USD
CY2021Q4	us-gaap	Lessor Operating Lease Payments To Be Received Two Years LessorOperatingLeasePaymentsToBeReceivedTwoYears	132490000	USD
CY2021Q4	us-gaap	Lessor Operating Lease Payments To Be Received Three Years LessorOperatingLeasePaymentsToBeReceivedThreeYears	139897000	USD
CY2021Q4	us-gaap	Lessor Operating Lease Payments To Be Received Four Years LessorOperatingLeasePaymentsToBeReceivedFourYears	129384000	USD
CY2021Q4	us-gaap	Lessor Operating Lease Payments To Be Received Five Years LessorOperatingLeasePaymentsToBeReceivedFiveYears	126360000	USD
CY2021Q4	us-gaap	Lessor Operating Lease Payments To Be Received Thereafter LessorOperatingLeasePaymentsToBeReceivedThereafter	389894000	USD
CY2021Q4	alx	Lessee Operating Lease Number Of Extension Options LesseeOperatingLeaseNumberOfExtensionOptions	1	option
CY2021Q4	us-gaap	Lessee Operating Lease Renewal Term LesseeOperatingLeaseRenewalTerm	P10Y
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	3394000	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	3602000	USD
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0453
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	800000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	800000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	800000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	800000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	800000	USD
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	5123613	shares
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	0	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	4000000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	398000	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	3602000	USD
CY2019	us-gaap	Operating Lease Expense OperatingLeaseExpense	746000	USD
CY2021	us-gaap	Operating Lease Expense OperatingLeaseExpense	746000	USD
CY2020	us-gaap	Operating Lease Expense OperatingLeaseExpense	746000	USD
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	800000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	800000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	800000	USD
CY2021Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	960000	USD
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2019	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2021	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	130582000	USD
CY2020	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	41939000	USD
CY2019	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	60075000	USD
CY2021	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	2348000	USD
CY2020	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	0	USD
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	0	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	132930000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	41939000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	60075000	USD
CY2021Q4	alx	Cumulative Amount Of Temporary Difference Between Book Value And Tax Basis CumulativeAmountOfTemporaryDifferenceBetweenBookValueAndTaxBasis	144100000	USD
CY2020Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	1071043000	USD
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	5123613	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	5120922	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	5120922	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	5118198	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	5118198	shares
CY2021	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	25.48
CY2021	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	25.48
CY2020	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	8.19
CY2020	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	8.19
CY2019	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	11.74
CY2019	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	11.74
CY2021	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.46
CY2021	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.46
CY2020	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2020	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	25.94
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	25.94
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	8.19
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	8.19
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	11.74
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	11.74
CY2021Q4	srt	Real Estate And Accumulated Depreciation Amount Of Encumbrances RealEstateAndAccumulatedDepreciationAmountOfEncumbrances	1096544000	USD
CY2021Q4	us-gaap	Real Estate And Accumulated Depreciation Initial Cost Of Land RealEstateAndAccumulatedDepreciationInitialCostOfLand	19985000	USD
CY2021Q4	us-gaap	Real Estate And Accumulated Depreciation Initial Cost Of Buildings And Improvements RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements	24435000	USD
CY2021Q4	us-gaap	Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Improvements RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements	1025006000	USD
CY2021Q4	us-gaap	Real Estate And Accumulated Depreciation Carrying Amount Of Land RealEstateAndAccumulatedDepreciationCarryingAmountOfLand	33050000	USD
CY2021Q4	us-gaap	Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements	1014525000	USD
CY2021Q4	alx	Real Estate And Accumulated Depreciation Carrying Amount Of Development And Construction In Progress RealEstateAndAccumulatedDepreciationCarryingAmountOfDevelopmentAndConstructionInProgress	21851000	USD
CY2021Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	1069426000	USD
CY2021Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	370557000	USD
CY2021Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	6931000	USD
CY2019Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	1041342000	USD
CY2018Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	1027691000	USD
CY2021	us-gaap	Real Estate Accumulated Depreciation Period Increase Decrease RealEstateAccumulatedDepreciationPeriodIncreaseDecrease	1075054000	USD
CY2020	us-gaap	Real Estate Accumulated Depreciation Period Increase Decrease RealEstateAccumulatedDepreciationPeriodIncreaseDecrease	1071919000	USD
CY2019	us-gaap	Real Estate Accumulated Depreciation Period Increase Decrease RealEstateAccumulatedDepreciationPeriodIncreaseDecrease	1041342000	USD
CY2021	alx	Sec Schedule1228 Real Estate Companies Investment In Real Estate Fully Depreciated Assets SECSchedule1228RealEstateCompaniesInvestmentInRealEstateFullyDepreciatedAssets	5628000	USD
CY2020	alx	Sec Schedule1228 Real Estate Companies Investment In Real Estate Fully Depreciated Assets SECSchedule1228RealEstateCompaniesInvestmentInRealEstateFullyDepreciatedAssets	876000	USD
CY2019	alx	Sec Schedule1228 Real Estate Companies Investment In Real Estate Fully Depreciated Assets SECSchedule1228RealEstateCompaniesInvestmentInRealEstateFullyDepreciatedAssets	0	USD
CY2021Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	1069426000	USD
CY2020Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	1071043000	USD
CY2019Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	1041342000	USD
CY2020Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	350122000	USD
CY2019Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	324499000	USD
CY2018Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	297421000	USD
CY2021	us-gaap	Real Estate Accumulated Depreciation Other Additions RealEstateAccumulatedDepreciationOtherAdditions	26063000	USD
CY2020	us-gaap	Real Estate Accumulated Depreciation Other Additions RealEstateAccumulatedDepreciationOtherAdditions	26499000	USD
CY2019	us-gaap	Real Estate Accumulated Depreciation Other Additions RealEstateAccumulatedDepreciationOtherAdditions	27078000	USD
CY2021Q4	alx	Real Estate Before Real Estate Sold And Written Off RealEstateBeforeRealEstateSoldAndWrittenOff	376185000	USD
CY2020Q4	alx	Real Estate Before Real Estate Sold And Written Off RealEstateBeforeRealEstateSoldAndWrittenOff	350998000	USD
CY2019Q4	alx	Real Estate Before Real Estate Sold And Written Off RealEstateBeforeRealEstateSoldAndWrittenOff	324499000	USD
CY2021	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	5628000	USD
CY2020	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	876000	USD
CY2019	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	0	USD
CY2021Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	370557000	USD
CY2020Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	350122000	USD
CY2019Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	324499000	USD

Files In Submission

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$ALX
ALEXANDERS INC Stock $alx

2021 Q4 Form 10-K Financial Statement

#000000349922000004 Filed on February 14, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ALX ALEXANDERS INC Stock $alx

2021 Q4 Form 10-K Financial Statement

#000000349922000004 Filed on February 14, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ALX
ALEXANDERS INC Stock $alx