$NSA
National Storage Affiliates Trust Stock $nsa

$nsa Overview Financials Valuation SEC Filings Company Website

2019 Q4 Form 10-K Financial Statement

#000161856320000022 Filed on February 26, 2020

Income Statement

Concept	2019 Q4	2019 Q3	2019 Q2
Revenue	$100.6M	$101.3M	$95.42M
YoY Change	12.62%	18.69%	19.69%
Cost Of Revenue		$28.99M	$27.19M
YoY Change		9.17%	7.97%
Gross Profit		$72.35M	$68.23M
YoY Change		22.98%	25.1%
Gross Profit Margin		71.39%	71.5%
Selling, General & Admin	$39.30M	$41.00M	$38.40M
YoY Change	4.8%	15.82%	14.29%
% of Gross Profit		56.67%	56.28%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$27.30M	$27.60M	$25.90M
YoY Change	19.21%	23.21%	15.63%
% of Gross Profit		38.15%	37.96%
Operating Expenses	$66.70M	$68.63M	$64.19M
YoY Change	10.36%	18.59%	14.56%
Operating Profit		$3.724M	$4.040M
YoY Change		-86.46%	-82.95%
Interest Expense	-$14.90M	$14.43M	$13.95M
YoY Change	8.76%	35.44%	33.18%
% of Operating Profit		387.54%	345.22%
Other Income/Expense, Net	$700.0K	-$15.98M	-$13.25M
YoY Change	-450.0%	53.58%	24.97%
Pretax Income	$19.20M	$16.74M	$17.98M
YoY Change	29.73%	-2.19%	37.39%
Income Tax	$400.0K	$223.0K	$244.0K
% Of Pretax Income	2.08%	1.33%	1.36%
Net Earnings	$18.83M	-$8.860M	-$7.656M
YoY Change	29.99%	-301.64%	-229.96%
Net Earnings / Revenue	18.72%	-8.74%	-8.02%
Basic Earnings Per Share	$0.17	-$0.20	-$0.19
Diluted Earnings Per Share	$0.13	-$0.20	-$0.19
COMMON SHARES
Basic Shares Outstanding	59.33M shares	59.30M shares	57.54M shares
Diluted Shares Outstanding			57.54M shares

Balance Sheet

Concept	2019 Q4	2019 Q3	2019 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$20.60M	$44.70M	$15.30M
YoY Change	56.06%	198.0%	-6.71%
Cash & Equivalents	$20.56M	$44.75M	$15.26M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables	$2.800M	$3.400M	$3.400M
Other Receivables	$7.500M	$8.300M	$6.100M
Total Short-Term Assets	$30.90M	$56.40M	$24.80M
YoY Change	33.19%	145.22%	15.35%
LONG-TERM ASSETS
Property, Plant & Equipment	$1.925M	$8.776M	$1.704M
YoY Change	22.3%	591.02%	27.07%
Goodwill	$5.750M	$5.750M	$5.750M
YoY Change	0.0%	0.0%	0.0%
Intangibles
YoY Change
Long-Term Investments	$214.1M	$228.4M	$233.3M
YoY Change	-12.67%	-8.9%	162.94%
Other Assets	$11.70M	$13.70M	$10.80M
YoY Change	34.48%	35.64%	-16.92%
Total Long-Term Assets	$3.053B	$3.054B	$3.037B
YoY Change	12.83%	13.44%	24.52%
TOTAL ASSETS
Total Short-Term Assets	$30.90M	$56.40M	$24.80M
Total Long-Term Assets	$3.053B	$3.054B	$3.037B
Total Assets	$3.084B	$3.111B	$3.062B
YoY Change	13.01%	14.56%	24.44%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$57.90M	$78.80M	$53.10M
YoY Change	74.92%	118.89%	96.67%
Accrued Expenses	$24.70M	$24.80M	$24.20M
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	$82.60M	$103.6M	$77.30M
YoY Change	149.55%	187.78%	186.3%
LONG-TERM LIABILITIES
Long-Term Debt	$1.534B	$1.534B	$1.470B
YoY Change	20.02%	24.79%	27.81%
Other Long-Term Liabilities	$15.50M	$16.00M	$16.20M
YoY Change	-1.27%	1.27%	20.0%
Total Long-Term Liabilities	$1.550B	$1.550B	$1.486B
YoY Change	19.76%	24.49%	27.72%
TOTAL LIABILITIES
Total Short-Term Liabilities	$82.60M	$103.6M	$77.30M
Total Long-Term Liabilities	$1.550B	$1.550B	$1.486B
Total Liabilities	$1.632B	$1.654B	$1.563B
YoY Change	23.0%	29.08%	31.32%
SHAREHOLDERS EQUITY
Retained Earnings	-$197.1M	-$187.3M	-$156.2M
YoY Change	72.69%	113.08%	113.07%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$919.6M	$915.7M	$957.6M
YoY Change
Total Liabilities & Shareholders Equity	$3.084B	$3.111B	$3.062B
YoY Change	13.01%	14.56%	24.44%

Cashflow Statement

Concept	2019 Q4	2019 Q3	2019 Q2
OPERATING ACTIVITIES
Net Income	$18.83M	-$8.860M	-$7.656M
YoY Change	29.99%	-301.64%	-229.96%
Depreciation, Depletion And Amortization	$27.30M	$27.60M	$25.90M
YoY Change	19.21%	23.21%	15.63%
Cash From Operating Activities	$46.60M	$56.60M	$47.10M
YoY Change	22.31%	14.57%	16.58%
INVESTING ACTIVITIES
Capital Expenditures	-$27.50M	-$46.40M	-$181.4M
YoY Change	-49.17%	-56.43%	166.37%
Acquisitions
YoY Change
Other Investing Activities	-$1.300M	$200.0K	$7.000M
YoY Change	-750.0%	-100.12%	-147.62%
Cash From Investing Activities	-$28.60M	-$46.30M	-$174.4M
YoY Change	-47.04%	-83.02%	110.63%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-43.80M	20.10M	127.6M
YoY Change	-453.23%	-90.84%	166.95%
NET CHANGE
Cash From Operating Activities	46.60M	56.60M	47.10M
Cash From Investing Activities	-28.60M	-46.30M	-174.4M
Cash From Financing Activities	-43.80M	20.10M	127.6M
Net Change In Cash	-25.80M	30.40M	300.0K
YoY Change	637.14%	-900.0%	-94.44%
FREE CASH FLOW
Cash From Operating Activities	$46.60M	$56.60M	$47.10M
Capital Expenditures	-$27.50M	-$46.40M	-$181.4M
Free Cash Flow	$74.10M	$103.0M	$228.5M
YoY Change	-19.63%	-33.93%	110.6%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2019	dei	Entity Central Index Key EntityCentralIndexKey	0001618563
CY2019	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2019	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
CY2019	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2019	dei	Amendment Flag AmendmentFlag	false
CY2019	nsa	Initial Term Of Joint Venture Agreement InitialTermOfJointVentureAgreement	P4Y
CY2019	nsa	Revenue Performance Obligation Recognition Period RevenuePerformanceObligationRecognitionPeriod	P4Y
CY2019Q4	srt	Real Estate Federal Income Tax Basis RealEstateFederalIncomeTaxBasis	2700000000	USD
CY2019Q4	nsa	Number Of Businesses Acquired Encumbered By Debt NumberOfBusinessesAcquiredEncumberedByDebt	94	property
CY2019Q4	srt	Real Estate And Accumulated Depreciation Amount Of Encumbrances RealEstateAndAccumulatedDepreciationAmountOfEncumbrances	264300000	USD
CY2019	nsa	Number Of Classes Of Real Estate NumberOfClassesOfRealEstate	1	class
CY2019	dei	Document Type DocumentType	10-K
CY2019	dei	Document Annual Report DocumentAnnualReport	true
CY2019	dei	Document Period End Date DocumentPeriodEndDate	2019-12-31
CY2019	dei	Document Transition Report DocumentTransitionReport	false
CY2019	dei	Entity File Number EntityFileNumber	001-37351
CY2019	dei	Entity Registrant Name EntityRegistrantName	National Storage Affiliates Trust
CY2019	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MD
CY2019	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	46-5053858
CY2019	dei	Entity Address Address Line1 EntityAddressAddressLine1	8400 East Prentice Avenue, 9th Floor
CY2019	dei	Entity Address City Or Town EntityAddressCityOrTown	Greenwood Village
CY2019	dei	Entity Address State Or Province EntityAddressStateOrProvince	CO
CY2019	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	80111
CY2019	dei	City Area Code CityAreaCode	720
CY2019	dei	Local Phone Number LocalPhoneNumber	630-2600
CY2019	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2019	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2019	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2019	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2019	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2019	dei	Entity Small Business EntitySmallBusiness	false
CY2019	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2019	dei	Entity Shell Company EntityShellCompany	false
CY2019Q2	dei	Entity Public Float EntityPublicFloat	1700000000	USD
CY2020Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	59683668	shares
CY2019Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	3091719000	USD
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CY2019Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	2753897000	USD
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CY2018	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	58107000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	50241000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	49977000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	43244000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	44697000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-17242000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	14863000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	5544000	USD
CY2016Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	979068000	USD
CY2017	us-gaap	Stock Issued During Period Value Conversion Of Units StockIssuedDuringPeriodValueConversionOfUnits	0	USD
CY2017	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	0	USD
CY2017	nsa	Effect Of Changes In Ownership For Consolidated Entities EffectOfChangesInOwnershipForConsolidatedEntities	0	USD
CY2017	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Other Longterm Incentive Plans Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationOtherLongtermIncentivePlansRequisiteServicePeriodRecognition	3764000	USD
CY2017	nsa	Noncontrolling Interest Increase Due To Issuance Of Shares For Services NoncontrollingInterestIncreaseDueToIssuanceOfSharesForServices	15000	USD
CY2017	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	0	USD
CY2017	nsa	Stock Issued During Period Value Restricted Stock Award Vesting And Forfeited StockIssuedDuringPeriodValueRestrictedStockAwardVestingAndForfeited	51000	USD
CY2017	nsa	Reduction In Receivables From Partnership ReductionInReceivablesFromPartnership	812000	USD
CY2017	us-gaap	Dividends Preferred Stock DividendsPreferredStock	2300000	USD
CY2017	us-gaap	Dividends Common Stock DividendsCommonStock	47671000	USD
CY2017	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	58234000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	4243000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	45998000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1271487000	USD
CY2018	us-gaap	Stock Issued During Period Value Conversion Of Units StockIssuedDuringPeriodValueConversionOfUnits	0	USD
CY2018	nsa	Effect Of Changes In Ownership For Consolidated Entities EffectOfChangesInOwnershipForConsolidatedEntities	0	USD
CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Other Longterm Incentive Plans Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationOtherLongtermIncentivePlansRequisiteServicePeriodRecognition	3837000	USD
CY2018	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	0	USD
CY2018	nsa	Stock Issued During Period Value Restricted Stock Award Vesting And Forfeited StockIssuedDuringPeriodValueRestrictedStockAwardVestingAndForfeited	75000	USD
CY2018	nsa	Reduction In Receivables From Partnership ReductionInReceivablesFromPartnership	642000	USD
CY2018	us-gaap	Dividends Preferred Stock DividendsPreferredStock	10350000	USD
CY2018	us-gaap	Dividends Common Stock DividendsCommonStock	62152000	USD
CY2018	us-gaap	Debt And Equity Securities Unrealized Gain Loss DebtAndEquitySecuritiesUnrealizedGainLoss	0	USD
CY2018	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	64011000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1781000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	56326000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1402299000	USD
CY2019	nsa	Effect Of Changes In Ownership For Consolidated Entities EffectOfChangesInOwnershipForConsolidatedEntities	0	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Other Longterm Incentive Plans Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationOtherLongtermIncentivePlansRequisiteServicePeriodRecognition	4527000	USD
CY2019	nsa	Noncontrolling Interest Increase Due To Issuance Of Shares For Services NoncontrollingInterestIncreaseDueToIssuanceOfSharesForServices	179000	USD
CY2019	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	0	USD
CY2019	nsa	Stock Issued During Period Value Restricted Stock Award Vesting And Forfeited StockIssuedDuringPeriodValueRestrictedStockAwardVestingAndForfeited	69000	USD
CY2019	nsa	Reduction In Receivables From Partnership ReductionInReceivablesFromPartnership	505000	USD
CY2019	us-gaap	Dividends Preferred Stock DividendsPreferredStock	12390000	USD
CY2019	us-gaap	Dividends Common Stock DividendsCommonStock	74546000	USD
CY2019	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	76515000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-33278000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	66013000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1452101000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	66013000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	56326000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	45998000	USD
CY2019	nsa	Deprecation Depletion And Amortization Excluding Financing Costs And Discounts DeprecationDepletionAndAmortizationExcludingFinancingCostsAndDiscounts	105119000	USD
CY2018	nsa	Deprecation Depletion And Amortization Excluding Financing Costs And Discounts DeprecationDepletionAndAmortizationExcludingFinancingCostsAndDiscounts	89147000	USD
CY2017	nsa	Deprecation Depletion And Amortization Excluding Financing Costs And Discounts DeprecationDepletionAndAmortizationExcludingFinancingCostsAndDiscounts	75115000	USD
CY2019	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	2913000	USD
CY2018	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	2569000	USD
CY2017	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	2175000	USD
CY2019	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	-1427000	USD
CY2018	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	-1469000	USD
CY2017	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	-1570000	USD
CY2019	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	2814000	USD
CY2018	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	391000	USD
CY2017	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	5715000	USD
CY2019	us-gaap	Debt And Equity Securities Unrealized Gain Loss DebtAndEquitySecuritiesUnrealizedGainLoss	610000	USD
CY2017	us-gaap	Debt And Equity Securities Unrealized Gain Loss DebtAndEquitySecuritiesUnrealizedGainLoss	0	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	4527000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	3837000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	3764000	USD
CY2019	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-4970000	USD
CY2018	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-1423000	USD
CY2017	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-2339000	USD
CY2019	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	14551000	USD
CY2018	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	8187000	USD
CY2017	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	5093000	USD
CY2019	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-110000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	5713000	USD
CY2017	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	2398000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	5617000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	6597000	USD
CY2017	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	1200000	USD
CY2019	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-2318000	USD
CY2018	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	1283000	USD
CY2017	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-1713000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	196651000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	161796000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	124288000	USD
CY2019	us-gaap	Payments To Acquire Commercial Real Estate PaymentsToAcquireCommercialRealEstate	371096000	USD
CY2018	us-gaap	Payments To Acquire Commercial Real Estate PaymentsToAcquireCommercialRealEstate	313712000	USD
CY2017	us-gaap	Payments To Acquire Commercial Real Estate PaymentsToAcquireCommercialRealEstate	391619000	USD
CY2019	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	20594000	USD
CY2018	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	19014000	USD
CY2017	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	14656000	USD
CY2019	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	0	USD
CY2018	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	165642000	USD
CY2017	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	15289000	USD
CY2019	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	11543000	USD
CY2018	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	0	USD
CY2017	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	250000	USD
CY2019	us-gaap	Payments For Deposits On Real Estate Acquisitions PaymentsForDepositsOnRealEstateAcquisitions	4438000	USD
CY2018	us-gaap	Payments For Deposits On Real Estate Acquisitions PaymentsForDepositsOnRealEstateAcquisitions	20977000	USD
CY2017	us-gaap	Payments For Deposits On Real Estate Acquisitions PaymentsForDepositsOnRealEstateAcquisitions	4923000	USD
CY2019	us-gaap	Payments To Acquire Furniture And Fixtures PaymentsToAcquireFurnitureAndFixtures	862000	USD
CY2018	us-gaap	Payments To Acquire Furniture And Fixtures PaymentsToAcquireFurnitureAndFixtures	403000	USD
CY2017	us-gaap	Payments To Acquire Furniture And Fixtures PaymentsToAcquireFurnitureAndFixtures	588000	USD
CY2019	us-gaap	Payments To Acquire Trading Securities Heldforinvestment PaymentsToAcquireTradingSecuritiesHeldforinvestment	12674000	USD
CY2018	us-gaap	Payments To Acquire Trading Securities Heldforinvestment PaymentsToAcquireTradingSecuritiesHeldforinvestment	0	USD
CY2017	us-gaap	Payments To Acquire Trading Securities Heldforinvestment PaymentsToAcquireTradingSecuritiesHeldforinvestment	0	USD
CY2019	us-gaap	Proceeds From Sale Of Trading Securities Heldforinvestment ProceedsFromSaleOfTradingSecuritiesHeldforinvestment	5356000	USD
CY2018	us-gaap	Proceeds From Sale Of Trading Securities Heldforinvestment ProceedsFromSaleOfTradingSecuritiesHeldforinvestment	0	USD
CY2017	us-gaap	Proceeds From Sale Of Trading Securities Heldforinvestment ProceedsFromSaleOfTradingSecuritiesHeldforinvestment	0	USD
CY2019	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	6600000	USD
CY2018	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	0	USD
CY2017	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	0	USD
CY2019	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	6335000	USD
CY2018	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	5259000	USD
CY2017	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	17534000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-393030000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-514489000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-409291000	USD
CY2019	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	70637000	USD
CY2018	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	175616000	USD
CY2017	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	140261000	USD
CY2019	us-gaap	Proceeds From Issuance Of Redeemable Preferred Stock ProceedsFromIssuanceOfRedeemablePreferredStock	43624000	USD
CY2018	us-gaap	Proceeds From Issuance Of Redeemable Preferred Stock ProceedsFromIssuanceOfRedeemablePreferredStock	0	USD
CY2017	us-gaap	Proceeds From Issuance Of Redeemable Preferred Stock ProceedsFromIssuanceOfRedeemablePreferredStock	166566000	USD
CY2019	us-gaap	Proceeds From Issuance Of Common Limited Partners Units ProceedsFromIssuanceOfCommonLimitedPartnersUnits	0	USD
CY2018	us-gaap	Proceeds From Issuance Of Common Limited Partners Units ProceedsFromIssuanceOfCommonLimitedPartnersUnits	0	USD
CY2017	us-gaap	Proceeds From Issuance Of Common Limited Partners Units ProceedsFromIssuanceOfCommonLimitedPartnersUnits	7000000	USD
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	822000000	USD
CY2018	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	822500000	USD
CY2017	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	760900000	USD
CY2019	us-gaap	Proceeds From Partnership Contribution ProceedsFromPartnershipContribution	1271000	USD
CY2018	us-gaap	Proceeds From Partnership Contribution ProceedsFromPartnershipContribution	1211000	USD
CY2017	us-gaap	Proceeds From Partnership Contribution ProceedsFromPartnershipContribution	1150000	USD
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	561628000	USD
CY2018	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	507239000	USD
CY2017	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	679104000	USD
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	74546000	USD
CY2018	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	62152000	USD
CY2017	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	47671000	USD
CY2019	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	12390000	USD
CY2018	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	10350000	USD
CY2017	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	2300000	USD
CY2019	us-gaap	Distribution Made To Limited Partner Cash Distributions Paid DistributionMadeToLimitedPartnerCashDistributionsPaid	76010000	USD
CY2018	us-gaap	Distribution Made To Limited Partner Cash Distributions Paid DistributionMadeToLimitedPartnerCashDistributionsPaid	63350000	USD
CY2017	us-gaap	Distribution Made To Limited Partner Cash Distributions Paid DistributionMadeToLimitedPartnerCashDistributionsPaid	57314000	USD
CY2019	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	8487000	USD
CY2018	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	2860000	USD
CY2017	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	2381000	USD
CY2019	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	179000	USD
CY2018	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	727000	USD
CY2017	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	1034000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	204292000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	352649000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	286073000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	7913000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-44000	USD
CY2017	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	1070000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	16363000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	16407000	USD
CY2016Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	15337000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	24276000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	16363000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	16407000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	52666000	USD
CY2018	nsa	Noncash Or Part Noncash Acquisition Noncash Financial Or Equity Instrument Consideration Options Issued In Settlementof Liability NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationOptionsIssuedInSettlementofLiability	1236000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	40475000	USD
CY2019	us-gaap	Escrow Deposit Disbursements Related To Property Acquisition1 EscrowDepositDisbursementsRelatedToPropertyAcquisition1	20977000	USD
CY2018	us-gaap	Escrow Deposit Disbursements Related To Property Acquisition1 EscrowDepositDisbursementsRelatedToPropertyAcquisition1	5050000	USD
CY2017	us-gaap	Escrow Deposit Disbursements Related To Property Acquisition1 EscrowDepositDisbursementsRelatedToPropertyAcquisition1	350000	USD
CY2017	us-gaap	Interest Paid Net InterestPaidNet	32951000	USD
CY2019	nsa	Noncash Or Part Noncash Acquisition Noncash Financial Or Equity Instrument Consideration Units Issued Value NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationUnitsIssuedValue	51826000	USD
CY2018	nsa	Noncash Or Part Noncash Acquisition Noncash Financial Or Equity Instrument Consideration Units Issued Value NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationUnitsIssuedValue	28063000	USD
CY2017	nsa	Noncash Or Part Noncash Acquisition Noncash Financial Or Equity Instrument Consideration Units Issued Value NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationUnitsIssuedValue	30327000	USD
CY2019	nsa	Units Vested Upon Acquisition Of Property Value UnitsVestedUponAcquisitionOfPropertyValue	0	USD
CY2018	nsa	Units Vested Upon Acquisition Of Property Value UnitsVestedUponAcquisitionOfPropertyValue	0	USD
CY2017	nsa	Units Vested Upon Acquisition Of Property Value UnitsVestedUponAcquisitionOfPropertyValue	854000	USD
CY2019	us-gaap	Noncash Or Part Noncash Acquisition Debt Assumed1 NoncashOrPartNoncashAcquisitionDebtAssumed1	0	USD
CY2018	us-gaap	Noncash Or Part Noncash Acquisition Debt Assumed1 NoncashOrPartNoncashAcquisitionDebtAssumed1	7581000	USD
CY2017	us-gaap	Noncash Or Part Noncash Acquisition Debt Assumed1 NoncashOrPartNoncashAcquisitionDebtAssumed1	0	USD
CY2019	us-gaap	Noncash Or Part Noncash Acquisition Other Liabilities Assumed1 NoncashOrPartNoncashAcquisitionOtherLiabilitiesAssumed1	2403000	USD
CY2018	us-gaap	Noncash Or Part Noncash Acquisition Other Liabilities Assumed1 NoncashOrPartNoncashAcquisitionOtherLiabilitiesAssumed1	2167000	USD
CY2017	us-gaap	Noncash Or Part Noncash Acquisition Other Liabilities Assumed1 NoncashOrPartNoncashAcquisitionOtherLiabilitiesAssumed1	3616000	USD
CY2019	nsa	Noncash Or Part Noncash Acquisition Noncash Financial Or Equity Instrument Consideration Options Issued In Settlementof Liability NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationOptionsIssuedInSettlementofLiability	1253000	USD
CY2017	nsa	Noncash Or Part Noncash Acquisition Noncash Financial Or Equity Instrument Consideration Options Issued In Settlementof Liability NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationOptionsIssuedInSettlementofLiability	1262000	USD
CY2019	nsa	Noncash Or Part Noncash Acquisition Settlement Of Receivables With Partners NoncashOrPartNoncashAcquisitionSettlementOfReceivablesWithPartners	505000	USD
CY2018	nsa	Noncash Or Part Noncash Acquisition Settlement Of Receivables With Partners NoncashOrPartNoncashAcquisitionSettlementOfReceivablesWithPartners	642000	USD
CY2017	nsa	Noncash Or Part Noncash Acquisition Settlement Of Receivables With Partners NoncashOrPartNoncashAcquisitionSettlementOfReceivablesWithPartners	812000	USD
CY2019	nsa	Noncash Or Part Noncash Acquisition Noncash Financial Or Equity Instrument Consideration Options Issued For Assumed Mortgage Reimbursements NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationOptionsIssuedForAssumedMortgageReimbursements	0	USD
CY2018	nsa	Noncash Or Part Noncash Acquisition Noncash Financial Or Equity Instrument Consideration Options Issued For Assumed Mortgage Reimbursements NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationOptionsIssuedForAssumedMortgageReimbursements	19000	USD
CY2017	nsa	Noncash Or Part Noncash Acquisition Noncash Financial Or Equity Instrument Consideration Options Issued For Assumed Mortgage Reimbursements NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationOptionsIssuedForAssumedMortgageReimbursements	108000	USD
CY2019	nsa	Increase Decrease In Payables For Offering Costs IncreaseDecreaseInPayablesForOfferingCosts	-321000	USD
CY2018	nsa	Increase Decrease In Payables For Offering Costs IncreaseDecreaseInPayablesForOfferingCosts	626000	USD
CY2017	nsa	Increase Decrease In Payables For Offering Costs IncreaseDecreaseInPayablesForOfferingCosts	600000	USD
CY2019	nsa	Settlement Of Offering Costs From Equity Issuance SettlementOfOfferingCostsFromEquityIssuance	1241000	USD
CY2018	nsa	Settlement Of Offering Costs From Equity Issuance SettlementOfOfferingCostsFromEquityIssuance	575000	USD
CY2017	nsa	Settlement Of Offering Costs From Equity Issuance SettlementOfOfferingCostsFromEquityIssuance	12299000	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	23306000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	24665000	USD
CY2019Q4	us-gaap	Number Of Real Estate Properties NumberOfRealEstateProperties	742	property
CY2019	nsa	Number Of Top Metropolitan Statistical Areas For Focus Of Operations NumberOfTopMetropolitanStatisticalAreasForFocusOfOperations	100	metropolitan_statistical_area
CY2019Q4	us-gaap	Number Of States In Which Entity Operates NumberOfStatesInWhichEntityOperates	35	state
CY2019Q4	us-gaap	Net Rentable Area NetRentableArea	47100000	sqft
CY2019Q4	us-gaap	Number Of Units In Real Estate Property NumberOfUnitsInRealEstateProperty	378000	property
CY2019	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2017	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2018	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2019	us-gaap	Revenue Recognition Leases RevenueRecognitionLeases	Rental revenueRental revenue consists of space rentals and related fees. Management has determined that all of the Company's leases are operating leases. Substantially all leases may be terminated on a month-to-month basis and rental income is recognized ratably over the lease term using the straight-line method. Rents received in advance are deferred and recognized on a straight-line basis over the related lease term associated with the prepayment. Promotional discounts and other incentives are recognized as a reduction to rental income over the applicable lease term.
CY2019	us-gaap	Advertising Expense AdvertisingExpense	5200000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	0	USD
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	0	USD
CY2018	us-gaap	Advertising Expense AdvertisingExpense	4100000	USD
CY2017	us-gaap	Advertising Expense AdvertisingExpense	3700000	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	0	USD
CY2018Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	0	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	USD
CY2019Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2019	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	segment
CY2019	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2018	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2019	us-gaap	Use Of Estimates UseOfEstimates	Use of EstimatesThe preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.
CY2019Q1	nsa	Common And Preferred Stock Value Of Shares Authorized Under Atm Program CommonAndPreferredStockValueOfSharesAuthorizedUnderATMProgram	250000000.0	USD
CY2019Q1	us-gaap	Preferred Stock Dividend Rate Percentage PreferredStockDividendRatePercentage	0.06000
CY2018Q3	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	175600000	USD
CY2017Q4	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	140300000	USD
CY2019Q4	us-gaap	Land Land	649938000	USD
CY2018Q4	us-gaap	Land Land	583455000	USD
CY2019Q4	us-gaap	Investment Building And Building Improvements InvestmentBuildingAndBuildingImprovements	2435171000	USD
CY2018Q4	us-gaap	Investment Building And Building Improvements InvestmentBuildingAndBuildingImprovements	2048281000	USD
CY2019Q4	us-gaap	Fixtures And Equipment Gross FixturesAndEquipmentGross	6610000	USD
CY2018Q4	us-gaap	Fixtures And Equipment Gross FixturesAndEquipmentGross	5987000	USD
CY2019Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	3091719000	USD
CY2018Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	2637723000	USD
CY2019Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	337822000	USD
CY2018Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	246261000	USD
CY2019Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	2753897000	USD
CY2018Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	2391462000	USD
CY2019	us-gaap	Depreciation Nonproduction DepreciationNonproduction	92200000	USD
CY2018	us-gaap	Depreciation Nonproduction DepreciationNonproduction	76300000	USD
CY2017	us-gaap	Depreciation Nonproduction DepreciationNonproduction	60500000	USD
CY2019Q4	nsa	Equity Method Investment Summarized Financial Information Real Estate Investment Property Net EquityMethodInvestmentSummarizedFinancialInformationRealEstateInvestmentPropertyNet	1835235000	USD
CY2018Q4	nsa	Equity Method Investment Summarized Financial Information Real Estate Investment Property Net EquityMethodInvestmentSummarizedFinancialInformationRealEstateInvestmentPropertyNet	1894412000	USD
CY2019Q4	nsa	Equity Method Investment Summarized Financial Information Other Assets EquityMethodInvestmentSummarizedFinancialInformationOtherAssets	22413000	USD
CY2018Q4	nsa	Equity Method Investment Summarized Financial Information Other Assets EquityMethodInvestmentSummarizedFinancialInformationOtherAssets	50915000	USD
CY2019Q4	us-gaap	Equity Method Investment Summarized Financial Information Assets EquityMethodInvestmentSummarizedFinancialInformationAssets	1857648000	USD
CY2018Q4	us-gaap	Equity Method Investment Summarized Financial Information Assets EquityMethodInvestmentSummarizedFinancialInformationAssets	1945327000	USD
CY2019Q4	nsa	Equity Method Investment Summarized Financial Information Short Term And Long Term Debt Combined Amount EquityMethodInvestmentSummarizedFinancialInformationShortTermAndLongTermDebtCombinedAmount	989182000	USD
CY2018Q4	nsa	Equity Method Investment Summarized Financial Information Short Term And Long Term Debt Combined Amount EquityMethodInvestmentSummarizedFinancialInformationShortTermAndLongTermDebtCombinedAmount	956357000	USD
CY2019Q4	nsa	Equity Method Investment Summarized Financial Information Other Liabilities EquityMethodInvestmentSummarizedFinancialInformationOtherLiabilities	20487000	USD
CY2018Q4	nsa	Equity Method Investment Summarized Financial Information Other Liabilities EquityMethodInvestmentSummarizedFinancialInformationOtherLiabilities	16516000	USD
CY2019Q4	us-gaap	Equity Method Investment Summarized Financial Information Equity EquityMethodInvestmentSummarizedFinancialInformationEquity	847979000	USD
CY2018Q4	us-gaap	Equity Method Investment Summarized Financial Information Equity EquityMethodInvestmentSummarizedFinancialInformationEquity	972454000	USD
CY2019Q4	us-gaap	Equity Method Investment Summarized Financial Information Liabilities And Equity EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquity	1857648000	USD
CY2018Q4	us-gaap	Equity Method Investment Summarized Financial Information Liabilities And Equity EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquity	1945327000	USD
CY2019	nsa	Equity Method Investment Summarized Financial Information Real Estate Revenue Net EquityMethodInvestmentSummarizedFinancialInformationRealEstateRevenueNet	162827000	USD
CY2018	nsa	Equity Method Investment Summarized Financial Information Real Estate Revenue Net EquityMethodInvestmentSummarizedFinancialInformationRealEstateRevenueNet	94507000	USD
CY2017	nsa	Equity Method Investment Summarized Financial Information Real Estate Revenue Net EquityMethodInvestmentSummarizedFinancialInformationRealEstateRevenueNet	54747000	USD
CY2019	nsa	Equity Method Investment Summarized Financial Information Cost Of Real Estate Revenue EquityMethodInvestmentSummarizedFinancialInformationCostOfRealEstateRevenue	49845000	USD
CY2018	nsa	Equity Method Investment Summarized Financial Information Cost Of Real Estate Revenue EquityMethodInvestmentSummarizedFinancialInformationCostOfRealEstateRevenue	30229000	USD
CY2017	nsa	Equity Method Investment Summarized Financial Information Cost Of Real Estate Revenue EquityMethodInvestmentSummarizedFinancialInformationCostOfRealEstateRevenue	18463000	USD
CY2019	nsa	Equity Method Investment Summarized Financial Information Operating Income Loss EquityMethodInvestmentSummarizedFinancialInformationOperatingIncomeLoss	112982000	USD
CY2018	nsa	Equity Method Investment Summarized Financial Information Operating Income Loss EquityMethodInvestmentSummarizedFinancialInformationOperatingIncomeLoss	64278000	USD
CY2017	nsa	Equity Method Investment Summarized Financial Information Operating Income Loss EquityMethodInvestmentSummarizedFinancialInformationOperatingIncomeLoss	36284000	USD
CY2019	nsa	Equity Method Investment Summarized Financial Information Supervisory Administrative And Other Expenses EquityMethodInvestmentSummarizedFinancialInformationSupervisoryAdministrativeAndOtherExpenses	10818000	USD
CY2018	nsa	Equity Method Investment Summarized Financial Information Supervisory Administrative And Other Expenses EquityMethodInvestmentSummarizedFinancialInformationSupervisoryAdministrativeAndOtherExpenses	6397000	USD
CY2017	nsa	Equity Method Investment Summarized Financial Information Supervisory Administrative And Other Expenses EquityMethodInvestmentSummarizedFinancialInformationSupervisoryAdministrativeAndOtherExpenses	3921000	USD
CY2019	nsa	Equity Method Investment Summarized Financial Information Deprecation Depletion And Amortization Nonproduction EquityMethodInvestmentSummarizedFinancialInformationDeprecationDepletionAndAmortizationNonproduction	79556000	USD
CY2018	nsa	Equity Method Investment Summarized Financial Information Deprecation Depletion And Amortization Nonproduction EquityMethodInvestmentSummarizedFinancialInformationDeprecationDepletionAndAmortizationNonproduction	40930000	USD
CY2017	nsa	Equity Method Investment Summarized Financial Information Deprecation Depletion And Amortization Nonproduction EquityMethodInvestmentSummarizedFinancialInformationDeprecationDepletionAndAmortizationNonproduction	29192000	USD
CY2019	nsa	Equity Method Investment Summarized Financial Information Interest Expense EquityMethodInvestmentSummarizedFinancialInformationInterestExpense	39936000	USD
CY2018	nsa	Equity Method Investment Summarized Financial Information Interest Expense EquityMethodInvestmentSummarizedFinancialInformationInterestExpense	20718000	USD
CY2017	nsa	Equity Method Investment Summarized Financial Information Interest Expense EquityMethodInvestmentSummarizedFinancialInformationInterestExpense	11389000	USD
CY2019	nsa	Equity Method Investment Summarized Financial Information Gain Loss On Sale Of Property EquityMethodInvestmentSummarizedFinancialInformationGainLossOnSaleOfProperty	-806000	USD
CY2018	nsa	Equity Method Investment Summarized Financial Information Gain Loss On Sale Of Property EquityMethodInvestmentSummarizedFinancialInformationGainLossOnSaleOfProperty	-820000	USD
CY2017	nsa	Equity Method Investment Summarized Financial Information Gain Loss On Sale Of Property EquityMethodInvestmentSummarizedFinancialInformationGainLossOnSaleOfProperty	0	USD
CY2019	nsa	Equity Method Investment Summarized Financial Information Acquisition Related Costs And Other EquityMethodInvestmentSummarizedFinancialInformationAcquisitionRelatedCostsAndOther	1971000	USD
CY2018	nsa	Equity Method Investment Summarized Financial Information Acquisition Related Costs And Other EquityMethodInvestmentSummarizedFinancialInformationAcquisitionRelatedCostsAndOther	1188000	USD
CY2017	nsa	Equity Method Investment Summarized Financial Information Acquisition Related Costs And Other EquityMethodInvestmentSummarizedFinancialInformationAcquisitionRelatedCostsAndOther	1146000	USD
CY2019	us-gaap	Equity Method Investment Summarized Financial Information Net Income Loss EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss	-20105000	USD
CY2018	us-gaap	Equity Method Investment Summarized Financial Information Net Income Loss EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss	-5775000	USD
CY2017	us-gaap	Equity Method Investment Summarized Financial Information Net Income Loss EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss	-9364000	USD
CY2019	nsa	Number Of Assets Acquired Properties NumberOfAssetsAcquiredProperties	69	property
CY2019	nsa	Asset Acquisition Assets Acquiredand Liabilities Assumed Net AssetAcquisitionAssetsAcquiredandLiabilitiesAssumedNet	447800000	USD
CY2018	nsa	Number Of Assets Acquired Properties NumberOfAssetsAcquiredProperties	57	property
CY2018	nsa	Asset Acquisition Assets Acquiredand Liabilities Assumed Net AssetAcquisitionAssetsAcquiredandLiabilitiesAssumedNet	356600000	USD
CY2019	nsa	Asset Acquisition Capitalized Acquisition Costs AssetAcquisitionCapitalizedAcquisitionCosts	3600000	USD
CY2018	nsa	Asset Acquisition Capitalized Acquisition Costs AssetAcquisitionCapitalizedAcquisitionCosts	1900000	USD
CY2019Q1	nsa	Number Of Assets Acquired Properties NumberOfAssetsAcquiredProperties	32	property
CY2019Q1	nsa	Payments For Asset Acquisitions PaymentsForAssetAcquisitions	160531000	USD
CY2019Q1	nsa	Asset Acquisitions Equity Interests Issued And Issuable Value AssetAcquisitionsEquityInterestsIssuedAndIssuableValue	33356000	USD
CY2019Q1	nsa	Asset Acquisitions Liabilities Mortgages Assumed AssetAcquisitionsLiabilitiesMortgagesAssumed	0	USD
CY2019Q1	nsa	Asset Acquisitions Liabilities And Other Consideration AssetAcquisitionsLiabilitiesAndOtherConsideration	674000	USD
CY2019Q1	nsa	Asset Acquisition Consideration Transferred AssetAcquisitionConsiderationTransferred	194561000	USD
CY2019Q2	nsa	Number Of Assets Acquired Properties NumberOfAssetsAcquiredProperties	24	property
CY2019Q2	nsa	Payments For Asset Acquisitions PaymentsForAssetAcquisitions	168442000	USD
CY2019Q2	nsa	Asset Acquisitions Equity Interests Issued And Issuable Value AssetAcquisitionsEquityInterestsIssuedAndIssuableValue	15515000	USD
CY2019Q2	nsa	Asset Acquisitions Liabilities Mortgages Assumed AssetAcquisitionsLiabilitiesMortgagesAssumed	0	USD
CY2019Q2	nsa	Asset Acquisitions Liabilities And Other Consideration AssetAcquisitionsLiabilitiesAndOtherConsideration	1378000	USD
CY2019Q2	nsa	Asset Acquisition Consideration Transferred AssetAcquisitionConsiderationTransferred	185335000	USD
CY2019Q3	nsa	Number Of Assets Acquired Properties NumberOfAssetsAcquiredProperties	6	property
CY2019Q3	nsa	Payments For Asset Acquisitions PaymentsForAssetAcquisitions	34624000	USD
CY2019	nsa	Asset Acquisitions Liabilities Mortgages Assumed AssetAcquisitionsLiabilitiesMortgagesAssumed	0	USD
CY2019	nsa	Asset Acquisitions Equity Interests Issued And Issuable Value AssetAcquisitionsEquityInterestsIssuedAndIssuableValue	51826000	USD
CY2019	nsa	Asset Acquisitions Liabilities And Other Consideration AssetAcquisitionsLiabilitiesAndOtherConsideration	2403000	USD
CY2019	nsa	Asset Acquisition Consideration Transferred AssetAcquisitionConsiderationTransferred	447830000	USD
CY2019Q3	nsa	Asset Acquisitions Equity Interests Issued And Issuable Value AssetAcquisitionsEquityInterestsIssuedAndIssuableValue	950000	USD
CY2019Q3	nsa	Asset Acquisitions Liabilities Mortgages Assumed AssetAcquisitionsLiabilitiesMortgagesAssumed	0	USD
CY2019Q3	nsa	Asset Acquisitions Liabilities And Other Consideration AssetAcquisitionsLiabilitiesAndOtherConsideration	197000	USD
CY2019Q3	nsa	Asset Acquisition Consideration Transferred AssetAcquisitionConsiderationTransferred	35771000	USD
CY2019Q4	nsa	Number Of Assets Acquired Properties NumberOfAssetsAcquiredProperties	7	property
CY2019Q4	nsa	Payments For Asset Acquisitions PaymentsForAssetAcquisitions	30004000	USD
CY2019Q4	nsa	Asset Acquisitions Equity Interests Issued And Issuable Value AssetAcquisitionsEquityInterestsIssuedAndIssuableValue	2005000	USD
CY2019Q4	nsa	Asset Acquisitions Liabilities Mortgages Assumed AssetAcquisitionsLiabilitiesMortgagesAssumed	0	USD
CY2019Q4	nsa	Asset Acquisitions Liabilities And Other Consideration AssetAcquisitionsLiabilitiesAndOtherConsideration	154000	USD
CY2019Q4	nsa	Asset Acquisition Consideration Transferred AssetAcquisitionConsiderationTransferred	32163000	USD
CY2019	nsa	Number Of Assets Acquired Properties NumberOfAssetsAcquiredProperties	69	property
CY2019	nsa	Payments For Asset Acquisitions PaymentsForAssetAcquisitions	393601000	USD
CY2018Q1	nsa	Number Of Assets Acquired Properties NumberOfAssetsAcquiredProperties	25	property
CY2018Q1	nsa	Payments For Asset Acquisitions PaymentsForAssetAcquisitions	105135000	USD
CY2018Q1	nsa	Asset Acquisitions Equity Interests Issued And Issuable Value AssetAcquisitionsEquityInterestsIssuedAndIssuableValue	22403000	USD
CY2018Q1	nsa	Asset Acquisitions Liabilities Mortgages Assumed AssetAcquisitionsLiabilitiesMortgagesAssumed	7581000	USD
CY2018Q1	nsa	Asset Acquisitions Liabilities And Other Consideration AssetAcquisitionsLiabilitiesAndOtherConsideration	670000	USD
CY2018Q1	nsa	Asset Acquisition Consideration Transferred AssetAcquisitionConsiderationTransferred	135789000	USD
CY2018Q2	nsa	Number Of Assets Acquired Properties NumberOfAssetsAcquiredProperties	12	property
CY2018Q2	nsa	Payments For Asset Acquisitions PaymentsForAssetAcquisitions	62470000	USD
CY2018Q2	nsa	Asset Acquisitions Equity Interests Issued And Issuable Value AssetAcquisitionsEquityInterestsIssuedAndIssuableValue	0	USD
CY2018Q2	nsa	Asset Acquisitions Liabilities Mortgages Assumed AssetAcquisitionsLiabilitiesMortgagesAssumed	0	USD
CY2018Q2	nsa	Asset Acquisitions Liabilities And Other Consideration AssetAcquisitionsLiabilitiesAndOtherConsideration	467000	USD
CY2018Q2	nsa	Asset Acquisition Consideration Transferred AssetAcquisitionConsiderationTransferred	62937000	USD
CY2018Q3	nsa	Number Of Assets Acquired Properties NumberOfAssetsAcquiredProperties	13	property
CY2018Q3	nsa	Payments For Asset Acquisitions PaymentsForAssetAcquisitions	102012000	USD
CY2018Q3	nsa	Asset Acquisitions Equity Interests Issued And Issuable Value AssetAcquisitionsEquityInterestsIssuedAndIssuableValue	3660000	USD
CY2018Q3	nsa	Asset Acquisitions Liabilities Mortgages Assumed AssetAcquisitionsLiabilitiesMortgagesAssumed	0	USD
CY2019	nsa	Asset Acquisition Pro Forma Information Revenue Of Acquiree Since Acquisition Date Actual AssetAcquisitionProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual	30400000	USD
CY2018Q3	nsa	Asset Acquisitions Liabilities And Other Consideration AssetAcquisitionsLiabilitiesAndOtherConsideration	856000	USD
CY2018Q3	nsa	Asset Acquisition Consideration Transferred AssetAcquisitionConsiderationTransferred	106528000	USD
CY2018Q4	nsa	Number Of Assets Acquired Properties NumberOfAssetsAcquiredProperties	7	property
CY2018Q4	nsa	Payments For Asset Acquisitions PaymentsForAssetAcquisitions	49221000	USD
CY2018Q4	nsa	Asset Acquisitions Equity Interests Issued And Issuable Value AssetAcquisitionsEquityInterestsIssuedAndIssuableValue	2000000	USD
CY2018Q4	nsa	Asset Acquisitions Liabilities Mortgages Assumed AssetAcquisitionsLiabilitiesMortgagesAssumed	0	USD
CY2018Q4	nsa	Asset Acquisitions Liabilities And Other Consideration AssetAcquisitionsLiabilitiesAndOtherConsideration	174000	USD
CY2018Q4	nsa	Asset Acquisition Consideration Transferred AssetAcquisitionConsiderationTransferred	51395000	USD
CY2018	nsa	Number Of Assets Acquired Properties NumberOfAssetsAcquiredProperties	57	property
CY2018	nsa	Payments For Asset Acquisitions PaymentsForAssetAcquisitions	318838000	USD
CY2018	nsa	Asset Acquisitions Equity Interests Issued And Issuable Value AssetAcquisitionsEquityInterestsIssuedAndIssuableValue	28063000	USD
CY2018	nsa	Asset Acquisitions Liabilities Mortgages Assumed AssetAcquisitionsLiabilitiesMortgagesAssumed	7581000	USD
CY2018	nsa	Asset Acquisitions Liabilities And Other Consideration AssetAcquisitionsLiabilitiesAndOtherConsideration	2167000	USD
CY2018	nsa	Asset Acquisition Consideration Transferred AssetAcquisitionConsiderationTransferred	356649000	USD
CY2018	nsa	Asset Acquisitions Liabilities Mortgages Assumed Fair Value Debt Adjustment AssetAcquisitionsLiabilitiesMortgagesAssumedFairValueDebtAdjustment	200000	USD
CY2019	nsa	Asset Acquisition Pro Forma Information Earnings Or Loss Of Acquiree Since Acquisition Date Actual AssetAcquisitionProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual	2500000	USD
CY2019	nsa	Number Of Assets Acquired Properties NumberOfAssetsAcquiredProperties	69	property
CY2018	nsa	Asset Acquisition Pro Forma Information Revenue Of Acquiree Since Acquisition Date Actual AssetAcquisitionProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual	21900000	USD
CY2019Q4	us-gaap	Disposal Group Including Discontinued Operation Consideration DisposalGroupIncludingDiscontinuedOperationConsideration	6500000	USD
CY2019	us-gaap	Disposal Group Not Discontinued Operation Gain Loss On Disposal DisposalGroupNotDiscontinuedOperationGainLossOnDisposal	2800000	USD
CY2018	nsa	Asset Acquisition Pro Forma Information Earnings Or Loss Of Acquiree Since Acquisition Date Actual AssetAcquisitionProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual	2500000	USD
CY2018	nsa	Number Of Assets Acquired Properties NumberOfAssetsAcquiredProperties	57	property
CY2019	nsa	Number Of Real Estate Assets Sold NumberOfRealEstateAssetsSold	1	property
CY2018	nsa	Number Of Real Estate Assets Sold NumberOfRealEstateAssetsSold	2	property
CY2018Q4	us-gaap	Disposal Group Including Discontinued Operation Consideration DisposalGroupIncludingDiscontinuedOperationConsideration	5500000	USD
CY2018	us-gaap	Disposal Group Not Discontinued Operation Gain Loss On Disposal DisposalGroupNotDiscontinuedOperationGainLossOnDisposal	400000	USD
CY2019Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	2809000	USD
CY2018Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	3402000	USD
CY2019Q4	us-gaap	Accounts Receivable Related Parties AccountsReceivableRelatedParties	2773000	USD
CY2018Q4	us-gaap	Accounts Receivable Related Parties AccountsReceivableRelatedParties	2027000	USD
CY2019Q4	us-gaap	Due From Joint Ventures DueFromJointVentures	4765000	USD
CY2018Q4	us-gaap	Due From Joint Ventures DueFromJointVentures	4573000	USD
CY2019Q4	us-gaap	Earnest Money Deposits EarnestMoneyDeposits	4438000	USD
CY2018Q4	us-gaap	Earnest Money Deposits EarnestMoneyDeposits	20977000	USD
CY2019Q4	us-gaap	Derivative Assets DerivativeAssets	980000	USD
CY2018Q4	us-gaap	Derivative Assets DerivativeAssets	16164000	USD
CY2019Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	7703000	USD
CY2018Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	0	USD
CY2019Q4	us-gaap	Prepaid Expense Current And Noncurrent PrepaidExpenseCurrentAndNoncurrent	4762000	USD
CY2018Q4	us-gaap	Prepaid Expense Current And Noncurrent PrepaidExpenseCurrentAndNoncurrent	4266000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1925000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	1574000	USD
CY2019Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	3200000	USD
CY2018Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	3200000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	5750000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	5750000	USD
CY2019Q4	us-gaap	Other Assets OtherAssets	65441000	USD
CY2018Q4	us-gaap	Other Assets OtherAssets	75053000	USD
CY2019Q4	nsa	Debt Longterm And Shortterm Combined Amounts Gross DebtLongtermAndShorttermCombinedAmountsGross	1539260000	USD
CY2018Q4	nsa	Debt Longterm And Shortterm Combined Amounts Gross DebtLongtermAndShorttermCombinedAmountsGross	1277638000	USD
CY2019Q4	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	5213000	USD
CY2018Q4	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	-464000	USD
CY2019Q4	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	1534047000	USD
CY2018Q4	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	1278102000	USD
CY2018	nsa	Number Of Assets Acquired Properties Related To Assumed Mortgages NumberOfAssetsAcquiredPropertiesRelatedToAssumedMortgages	4	property
CY2019Q4	nsa	Longterm Debt Maturities Repaymentsof Principal Due Next Twelve Months Gross LongtermDebtMaturitiesRepaymentsofPrincipalDueNextTwelveMonthsGross	40647000	USD
CY2019Q4	nsa	Long Term Debt Premium Discount Debt Issuance Costs Amortization In Next Twelve Months LongTermDebtPremiumDiscountDebtIssuanceCostsAmortizationInNextTwelveMonths	1161000	USD
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	39486000	USD
CY2019Q4	nsa	Longterm Debt Maturities Repayments Of Principal In Year Two Gross LongtermDebtMaturitiesRepaymentsOfPrincipalInYearTwoGross	7603000	USD
CY2019Q4	nsa	Long Term Debt Premium Discount Debt Issuance Costs Amortization In Year Two LongTermDebtPremiumDiscountDebtIssuanceCostsAmortizationInYearTwo	1509000	USD
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	6094000	USD
CY2019Q4	nsa	Longterm Debt Maturities Repayments Of Principal In Year Three Gross LongtermDebtMaturitiesRepaymentsOfPrincipalInYearThreeGross	4205000	USD
CY2019Q4	nsa	Long Term Debt Premium Discount Debt Issuance Costs Amortization In Year Three LongTermDebtPremiumDiscountDebtIssuanceCostsAmortizationInYearThree	1511000	USD
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	2694000	USD
CY2019Q4	nsa	Longterm Debt Maturities Repayments Of Principal In Year Four Gross LongtermDebtMaturitiesRepaymentsOfPrincipalInYearFourGross	377049000	USD
CY2019Q4	nsa	Long Term Debt Premium Discount Debt Issuance Costs Amortization In Year Four LongTermDebtPremiumDiscountDebtIssuanceCostsAmortizationInYearFour	1159000	USD
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	375890000	USD
CY2019Q4	nsa	Longterm Debt Maturities Repayments Of Principal In Year Five Gross LongtermDebtMaturitiesRepaymentsOfPrincipalInYearFiveGross	271964000	USD
CY2019Q4	nsa	Long Term Debt Premium Discount Debt Issuance Costs Amortization In Year Five LongTermDebtPremiumDiscountDebtIssuanceCostsAmortizationInYearFive	790000	USD
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	271174000	USD
CY2019Q4	nsa	Longterm Debt Maturities Repaymentsof Principal After Year Five Gross LongtermDebtMaturitiesRepaymentsofPrincipalAfterYearFiveGross	837792000	USD
CY2019Q4	nsa	Long Term Debt Premium Discount Debt Issuance Costs Amortization After Year Five LongTermDebtPremiumDiscountDebtIssuanceCostsAmortizationAfterYearFive	-917000	USD
CY2019Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	838709000	USD
CY2019Q4	nsa	Debt Longterm And Shortterm Combined Amounts Gross DebtLongtermAndShorttermCombinedAmountsGross	1539260000	USD
CY2019Q4	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	5213000	USD
CY2019Q4	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	1534047000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	66013000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	56326000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	45998000	USD
CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	62030000	USD
CY2018	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	42217000	USD
CY2017	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	43037000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	3983000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	14109000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	2961000	USD
CY2019	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	12390000	USD
CY2019Q2	nsa	Ownership Interest In Tenant Reinsurance Company Acquired OwnershipInterestInTenantReinsuranceCompanyAcquired	0.055
CY2018	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	10350000	USD
CY2017	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	2300000	USD
CY2019	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	35000	USD
CY2018	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	27000	USD
CY2017	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	28000	USD
CY2019	nsa	Undistributed Earnings Loss Available To Common Shareholders Basic And Diluted UndistributedEarningsLossAvailableToCommonShareholdersBasicAndDiluted	-8442000	USD
CY2018	nsa	Undistributed Earnings Loss Available To Common Shareholders Basic And Diluted UndistributedEarningsLossAvailableToCommonShareholdersBasicAndDiluted	3732000	USD
CY2017	nsa	Undistributed Earnings Loss Available To Common Shareholders Basic And Diluted UndistributedEarningsLossAvailableToCommonShareholdersBasicAndDiluted	633000	USD
CY2019	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	58208000	shares
CY2018	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	53293000	shares
CY2017	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	44423000	shares
CY2019	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-0.15
CY2018	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.07
CY2017	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.01
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.27
CY2018	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.16
CY2017	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.04
CY2019	nsa	Number Of Businesses Subject To Noncancelable Leasehold Interest Agreements NumberOfBusinessesSubjectToNoncancelableLeaseholdInterestAgreements	8	property
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	1705000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	1831000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	1840000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	1810000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	1823000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	37419000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	46428000	USD
CY2019Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	21763000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	24665000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	1679000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	1777000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	1791000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	1800000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	1770000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	37147000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	45964000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	1817000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-29941000	USD
CY2019Q4	us-gaap	Interest Rate Cash Flow Hedge Gain Loss To Be Reclassified During Next12 Months Net InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet	-3200000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	3598000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	3337000	USD
CY2019Q1	us-gaap	Revenues Revenues	90572000	USD
CY2019Q2	us-gaap	Revenues Revenues	95419000	USD
CY2019Q3	us-gaap	Revenues Revenues	101337000	USD
CY2019Q4	us-gaap	Revenues Revenues	100568000	USD
CY2019Q1	us-gaap	Costs And Expenses CostsAndExpenses	61572000	USD
CY2019Q2	us-gaap	Costs And Expenses CostsAndExpenses	64189000	USD
CY2019Q3	us-gaap	Costs And Expenses CostsAndExpenses	68625000	USD
CY2019Q4	us-gaap	Costs And Expenses CostsAndExpenses	66661000	USD
CY2019Q2	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	2814000	USD
CY2019Q1	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	0	USD
CY2019Q3	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	0	USD
CY2019Q4	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	0	USD
CY2019Q3	us-gaap	Profit Loss ProfitLoss	16514000	USD
CY2019Q1	us-gaap	Profit Loss ProfitLoss	12940000	USD
CY2019Q2	us-gaap	Profit Loss ProfitLoss	17733000	USD
CY2019Q4	us-gaap	Profit Loss ProfitLoss	18826000	USD
CY2019Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	4823000	USD
CY2019Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-10913000	USD
CY2019Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-12132000	USD
CY2019Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	9815000	USD
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.08
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.19
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.20
CY2019Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.17
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.08
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.19
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.20
CY2019Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.13
CY2018Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.07
CY2018Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	1806000	USD
CY2018Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-9223000	USD
CY2018Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.16
CY2018Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	7872000	USD
CY2018Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	3304000	USD
CY2018Q1	us-gaap	Revenues Revenues	76493000	USD
CY2018Q2	us-gaap	Revenues Revenues	79723000	USD
CY2018Q3	us-gaap	Revenues Revenues	85382000	USD
CY2018Q4	us-gaap	Revenues Revenues	89298000	USD
CY2018Q1	us-gaap	Costs And Expenses CostsAndExpenses	54900000	USD
CY2018Q2	us-gaap	Costs And Expenses CostsAndExpenses	56033000	USD
CY2018Q3	us-gaap	Costs And Expenses CostsAndExpenses	57869000	USD
CY2018Q4	us-gaap	Costs And Expenses CostsAndExpenses	60440000	USD
CY2018Q1	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	474000	USD
CY2018Q2	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-83000	USD
CY2018Q3	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	0	USD
CY2018Q4	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	0	USD
CY2018Q1	us-gaap	Profit Loss ProfitLoss	11973000	USD
CY2018Q2	us-gaap	Profit Loss ProfitLoss	13041000	USD
CY2018Q3	us-gaap	Profit Loss ProfitLoss	16829000	USD
CY2018Q4	us-gaap	Profit Loss ProfitLoss	14483000	USD
CY2019Q4	us-gaap	Real Estate And Accumulated Depreciation Initial Cost Of Land RealEstateAndAccumulatedDepreciationInitialCostOfLand	649872000	USD
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.03
CY2018Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.16
CY2018Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.09
CY2018Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.07
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.03
CY2018Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.16
CY2019Q4	us-gaap	Real Estate And Accumulated Depreciation Initial Cost Of Buildings And Improvements RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements	2347378000	USD
CY2019Q4	us-gaap	Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Carrying Costs RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts	93953000	USD
CY2019Q4	us-gaap	Real Estate And Accumulated Depreciation Carrying Amount Of Land RealEstateAndAccumulatedDepreciationCarryingAmountOfLand	649938000	USD
CY2019Q4	us-gaap	Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements	2441781000	USD
CY2019Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	3091719000	USD
CY2019Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	337822000	USD
CY2018Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	2637723000	USD
CY2016Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	1844336000	USD
CY2017	nsa	Sec Schedule Iii Real Estate Acquisitions And Improvements SECScheduleIIIRealEstateAcquisitionsAndImprovements	431542000	USD
CY2017Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	2275233000	USD
CY2019	nsa	Sec Schedule Iii Real Estate Acquisitions And Improvements SECScheduleIIIRealEstateAcquisitionsAndImprovements	458132000	USD
CY2018	nsa	Sec Schedule Iii Real Estate Acquisitions And Improvements SECScheduleIIIRealEstateAcquisitionsAndImprovements	366522000	USD
CY2019	nsa	Sec Schedule Iii Real Estate Reclassifications From Assets For Sale SECScheduleIIIRealEstateReclassificationsFromAssetsForSale	0	USD
CY2018	nsa	Sec Schedule Iii Real Estate Reclassifications From Assets For Sale SECScheduleIIIRealEstateReclassificationsFromAssetsForSale	0	USD
CY2017	nsa	Sec Schedule Iii Real Estate Reclassifications From Assets For Sale SECScheduleIIIRealEstateReclassificationsFromAssetsForSale	8607000	USD
CY2019	us-gaap	Sec Schedule Iii Real Estate Writedown Or Reserve Amount SECScheduleIIIRealEstateWritedownOrReserveAmount	0	USD
CY2018	us-gaap	Sec Schedule Iii Real Estate Writedown Or Reserve Amount SECScheduleIIIRealEstateWritedownOrReserveAmount	323000	USD
CY2017	us-gaap	Sec Schedule Iii Real Estate Writedown Or Reserve Amount SECScheduleIIIRealEstateWritedownOrReserveAmount	50000	USD
CY2019	us-gaap	Real Estate Cost Of Real Estate Sold RealEstateCostOfRealEstateSold	4136000	USD
CY2018	us-gaap	Real Estate Cost Of Real Estate Sold RealEstateCostOfRealEstateSold	3709000	USD
CY2017	us-gaap	Real Estate Cost Of Real Estate Sold RealEstateCostOfRealEstateSold	7336000	USD
CY2019	nsa	Sec Schedule Iii Real Estate Properties Held For Sale SECScheduleIIIRealEstatePropertiesHeldForSale	0	USD
CY2018	nsa	Sec Schedule Iii Real Estate Properties Held For Sale SECScheduleIIIRealEstatePropertiesHeldForSale	0	USD
CY2017	nsa	Sec Schedule Iii Real Estate Properties Held For Sale SECScheduleIIIRealEstatePropertiesHeldForSale	1866000	USD
CY2019Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	337822000	USD
CY2019Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	3091719000	USD
CY2018Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	2637723000	USD
CY2017Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	2275233000	USD
CY2018Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	246261000	USD
CY2017Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	170358000	USD
CY2016Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	110803000	USD
CY2019	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	92177000	USD
CY2018	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	76299000	USD
CY2017	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	60522000	USD
CY2019	nsa	Sec Schedule Iii Real Estate Accumulated Deprecation Writeoff Of Fully Deprecated Assets And Other SECScheduleIIIRealEstateAccumulatedDeprecationWriteoffOfFullyDeprecatedAssetsAndOther	0	USD
CY2018	nsa	Sec Schedule Iii Real Estate Accumulated Deprecation Writeoff Of Fully Deprecated Assets And Other SECScheduleIIIRealEstateAccumulatedDeprecationWriteoffOfFullyDeprecatedAssetsAndOther	0	USD
CY2017	nsa	Sec Schedule Iii Real Estate Accumulated Deprecation Writeoff Of Fully Deprecated Assets And Other SECScheduleIIIRealEstateAccumulatedDeprecationWriteoffOfFullyDeprecatedAssetsAndOther	10000	USD
CY2019	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	616000	USD
CY2018	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	396000	USD
CY2017	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	646000	USD
CY2019	nsa	Sec Schedule Iii Real Estate Accumulated Depreciation Assets Held For Sale SECScheduleIIIRealEstateAccumulatedDepreciationAssetsHeldForSale	0	USD
CY2018	nsa	Sec Schedule Iii Real Estate Accumulated Depreciation Assets Held For Sale SECScheduleIIIRealEstateAccumulatedDepreciationAssetsHeldForSale	0	USD
CY2017	nsa	Sec Schedule Iii Real Estate Accumulated Depreciation Assets Held For Sale SECScheduleIIIRealEstateAccumulatedDepreciationAssetsHeldForSale	311000	USD
CY2018Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	246261000	USD
CY2017Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	170358000	USD

Files In Submission

Name	View Source	Status
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0001618563-20-000022-index.html	Edgar Link	pending
0001618563-20-000022.txt	Edgar Link	pending
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$NSA
National Storage Affiliates Trust Stock $nsa

2019 Q4 Form 10-K Financial Statement

#000161856320000022 Filed on February 26, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

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$NSA National Storage Affiliates Trust Stock $nsa

2019 Q4 Form 10-K Financial Statement

#000161856320000022 Filed on February 26, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$NSA
National Storage Affiliates Trust Stock $nsa