$APPN
APPIAN CORP Stock $appn

$appn Overview Financials Valuation SEC Filings Company Website

2021 Q3 Form 10-Q Financial Statement

#000144168321000085 Filed on November 04, 2021

Income Statement

Concept	2021 Q3	2020 Q3	2020 Q2
Revenue	$92.42M	$77.30M	$66.78M
YoY Change	19.55%	16.85%	2.3%
Cost Of Revenue	$26.51M	$21.55M	$21.16M
YoY Change	23.0%	-10.02%	-8.22%
Gross Profit	$65.91M	$55.75M	$45.62M
YoY Change	18.22%	32.1%	8.04%
Gross Profit Margin	71.32%	72.12%	68.32%
Selling, General & Admin	$62.30M	$45.12M	$40.54M
YoY Change	38.08%	16.3%	3.27%
% of Gross Profit	94.52%	80.92%	88.86%
Research & Development	$26.51M	$18.15M	$17.18M
YoY Change	46.06%	15.63%	34.57%
% of Gross Profit	40.22%	32.55%	37.66%
Depreciation & Amortization	$1.200M	$1.400M	$1.400M
YoY Change	-14.29%	7.69%	27.27%
% of Gross Profit	1.82%	2.51%	3.07%
Operating Expenses	$88.81M	$63.27M	$57.71M
YoY Change	40.37%	16.11%	10.95%
Operating Profit	-$22.90M	-$7.515M	-$12.10M
YoY Change	204.68%	-38.84%	23.49%
Interest Expense	-$72.00K	-$119.0K	-$128.0K
YoY Change	-39.5%	23.96%	85.51%
% of Operating Profit
Other Income/Expense, Net	-$2.401M	$4.158M	$554.0K
YoY Change	-157.74%	-276.34%	5440.0%
Pretax Income	-$25.30M	-$3.357M	-$11.54M
YoY Change	653.59%	-77.08%	17.96%
Income Tax	$86.00K	$255.0K	$274.0K
% Of Pretax Income
Net Earnings	-$25.38M	-$3.612M	-$11.82M
YoY Change	602.77%	-75.34%	17.55%
Net Earnings / Revenue	-27.47%	-4.67%	-17.69%
Basic Earnings Per Share	-$0.36	-$0.05	-$0.17
Diluted Earnings Per Share	-$0.36	-$0.05	-$0.17
COMMON SHARES
Basic Shares Outstanding	71.12M shares	69.92M shares	68.37M shares
Diluted Shares Outstanding	71.12M shares	69.92M shares	68.37M shares

Balance Sheet

Concept	2021 Q3	2020 Q3	2020 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$188.5M	$251.1M	$256.1M
YoY Change	-24.93%	51.63%	215.78%
Cash & Equivalents	$127.1M	$251.1M	$256.1M
Short-Term Investments	$61.38M
Other Short-Term Assets	$47.84M	$42.20M	$41.40M
YoY Change	13.36%	47.04%	64.29%
Inventory
Prepaid Expenses
Receivables	$110.2M	$89.22M	$71.85M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$346.6M	$382.5M	$369.4M
YoY Change	-9.4%	44.34%	109.08%
LONG-TERM ASSETS
Property, Plant & Equipment	$63.50M	$67.30M	$60.60M
YoY Change	-5.65%	68.15%	64.57%
Goodwill	$27.41M	$4.637M	$4.443M
YoY Change	491.2%
Intangibles	$8.527M	$1.765M	$1.790M
YoY Change	383.12%
Long-Term Investments	$0.00
YoY Change
Other Assets	$2.096M	$4.042M	$5.847M
YoY Change	-48.14%	620.5%	899.49%
Total Long-Term Assets	$147.8M	$109.9M	$102.0M
YoY Change	34.43%	102.81%	97.0%
TOTAL ASSETS
Total Short-Term Assets	$346.6M	$382.5M	$369.4M
Total Long-Term Assets	$147.8M	$109.9M	$102.0M
Total Assets	$494.4M	$492.5M	$471.4M
YoY Change	0.39%	54.27%	106.35%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$9.899M	$4.630M	$4.128M
YoY Change	113.8%	-12.9%	-59.42%
Accrued Expenses	$10.28M	$6.287M	$7.307M
YoY Change	63.48%	-20.58%	-39.49%
Deferred Revenue	$122.8M	$96.90M	$87.55M
YoY Change	26.76%	-3.58%	-10.26%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due		$1.500M	$1.500M
YoY Change		7.14%	25.0%
Total Short-Term Liabilities	$178.4M	$132.9M	$119.7M
YoY Change	34.26%	3.27%	-10.23%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$1.200M	$1.600M
YoY Change	-100.0%	-57.14%	-36.0%
Other Long-Term Liabilities	$7.759M	$4.069M	$2.092M
YoY Change	90.69%	-88.31%	-93.97%
Total Long-Term Liabilities	$7.759M	$4.069M	$2.092M
YoY Change	90.69%	-89.18%	-94.38%
TOTAL LIABILITIES
Total Short-Term Liabilities	$178.4M	$132.9M	$119.7M
Total Long-Term Liabilities	$7.759M	$4.069M	$2.092M
Total Liabilities	$237.9M	$194.7M	$172.6M
YoY Change	22.18%	17.0%	1.11%
SHAREHOLDERS EQUITY
Retained Earnings	-$231.7M	-$162.5M	-$158.9M
YoY Change	42.57%	-12.16%	-7.92%
Common Stock	$490.6M	$462.7M	$458.2M
YoY Change	6.03%	37.42%	99.05%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$256.5M	$297.7M	$298.8M
YoY Change
Total Liabilities & Shareholders Equity	$494.4M	$492.5M	$471.4M
YoY Change	0.39%	54.27%	106.35%

Cashflow Statement

Concept	2021 Q3	2020 Q3	2020 Q2
OPERATING ACTIVITIES
Net Income	-$25.38M	-$3.612M	-$11.82M
YoY Change	602.77%	-75.34%	17.55%
Depreciation, Depletion And Amortization	$1.200M	$1.400M	$1.400M
YoY Change	-14.29%	7.69%	27.27%
Cash From Operating Activities	-$25.13M	-$6.490M	-$3.100M
YoY Change	287.13%	-56.65%	-119.22%
INVESTING ACTIVITIES
Capital Expenditures	-$1.446M	-$350.0K	-$490.0K
YoY Change	313.14%	-90.64%	-95.58%
Acquisitions
YoY Change
Other Investing Activities	$26.26M	$0.00	$0.00
YoY Change
Cash From Investing Activities	$24.81M	-$350.0K	-$480.0K
YoY Change	-7189.43%	-90.64%	-95.67%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	286.0K	570.0K	109.5M
YoY Change	-49.82%	-99.45%	11797.83%
NET CHANGE
Cash From Operating Activities	-25.13M	-6.490M	-3.100M
Cash From Investing Activities	24.81M	-350.0K	-480.0K
Cash From Financing Activities	286.0K	570.0K	109.5M
Net Change In Cash	-26.00K	-6.270M	105.9M
YoY Change	-99.59%	-107.4%	1676.51%
FREE CASH FLOW
Cash From Operating Activities	-$25.13M	-$6.490M	-$3.100M
Capital Expenditures	-$1.446M	-$350.0K	-$490.0K
Free Cash Flow	-$23.68M	-$6.140M	-$2.610M
YoY Change	285.65%	-45.33%	-109.59%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Amendment Flag AmendmentFlag	false
	dei	Entity Central Index Key EntityCentralIndexKey	0001441683
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	001-38098
	dei	Entity Registrant Name EntityRegistrantName	APPIAN CORPORATION
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	54-1956084
	dei	Entity Address Address Line1 EntityAddressAddressLine1	7950 Jones Branch Drive
	dei	Entity Address City Or Town EntityAddressCityOrTown	McLean
	dei	Entity Address State Or Province EntityAddressStateOrProvince	VA
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	22102
	dei	City Area Code CityAreaCode	(703)
	dei	Local Phone Number LocalPhoneNumber	442-8844
	dei	Security12b Title Security12bTitle	Class A Common Stock
	dei	Trading Symbol TradingSymbol	APPN
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2021Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	127122000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	112462000	USD
CY2021Q3	us-gaap	Short Term Investments ShortTermInvestments	61384000	USD
CY2020Q4	us-gaap	Short Term Investments ShortTermInvestments	109826000	USD
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	1400000	USD
CY2021Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	1400000	USD
CY2021Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	110223000	USD
CY2020Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	97278000	USD
CY2021Q3	appn	Deferred Commissions Current DeferredCommissionsCurrent	21632000	USD
CY2020Q4	appn	Deferred Commissions Current DeferredCommissionsCurrent	17899000	USD
CY2021Q3	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	26208000	USD
CY2020Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	27955000	USD
CY2021Q3	us-gaap	Assets Current AssetsCurrent	346569000	USD
CY2020Q4	us-gaap	Assets Current AssetsCurrent	365420000	USD
CY2021Q3	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	34280000	USD
CY2020Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	35404000	USD
CY2021Q3	us-gaap	Long Term Investments LongTermInvestments	0	USD
CY2020Q4	us-gaap	Long Term Investments LongTermInvestments	36120000	USD
CY2021Q3	us-gaap	Goodwill Goodwill	27414000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	4862000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	902000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	429000	USD
CY2021Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	8527000	USD
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	1744000	USD
CY2021Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	29218000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	30659000	USD
CY2021Q3	appn	Deferred Commission Noncurrent DeferredCommissionNoncurrent	42035000	USD
CY2020Q4	appn	Deferred Commission Noncurrent DeferredCommissionNoncurrent	34198000	USD
CY2021Q3	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	991000	USD
CY2020Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	489000	USD
CY2021Q3	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	3240000	USD
CY2020Q4	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	0	USD
CY2021Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	2096000	USD
CY2020Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	3625000	USD
CY2021Q3	us-gaap	Assets Assets	494370000	USD
CY2020Q4	us-gaap	Assets Assets	512521000	USD
CY2021Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	9899000	USD
CY2020Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	2967000	USD
CY2021Q3	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	10278000	USD
CY2020Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	5821000	USD
CY2021Q3	us-gaap	Accrued Employee Benefits Current AccruedEmployeeBenefitsCurrent	28727000	USD
CY2020Q4	us-gaap	Accrued Employee Benefits Current AccruedEmployeeBenefitsCurrent	22981000	USD
CY2021Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	122833000	USD
CY2020Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	116256000	USD
CY2021Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	6606000	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	6923000	USD
CY2021Q3	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	77000	USD
CY2020Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	940000	USD
CY2021Q3	us-gaap	Liabilities Current LiabilitiesCurrent	178420000	USD
CY2020Q4	us-gaap	Liabilities Current LiabilitiesCurrent	155888000	USD
CY2021Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	49592000	USD
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	51194000	USD
CY2021Q3	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	2041000	USD
CY2020Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	3886000	USD
CY2021Q3	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	82000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	70000	USD
CY2021Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	7759000	USD
CY2020Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	4878000	USD
CY2021Q3	us-gaap	Liabilities Liabilities	237894000	USD
CY2020Q4	us-gaap	Liabilities Liabilities	215916000	USD
CY2021Q3	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	490565000	USD
CY2020Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	470498000	USD
CY2021Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-2410000	USD
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-5010000	USD
CY2021Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-231686000	USD
	us-gaap	Gross Profit GrossProfit	156117000	USD
CY2021Q3	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	42071000	USD
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-168890000	USD
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	256476000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	296605000	USD
CY2021Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	494370000	USD
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	512521000	USD
CY2021Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	92417000	USD
CY2020Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	77304000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	264271000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	222943000	USD
CY2021Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	26507000	USD
CY2020Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	21551000	USD
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	75871000	USD
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	66826000	USD
CY2021Q3	us-gaap	Gross Profit GrossProfit	65910000	USD
CY2020Q3	us-gaap	Gross Profit GrossProfit	55753000	USD
	us-gaap	Gross Profit GrossProfit	188400000	USD
CY2020Q3	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	31633000	USD
	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	118575000	USD
	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	94891000	USD
CY2021Q3	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	26510000	USD
CY2020Q3	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	18150000	USD
	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	71062000	USD
	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	51366000	USD
CY2021Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	20226000	USD
CY2020Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	13485000	USD
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	56726000	USD
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	38076000	USD
CY2021Q3	us-gaap	Operating Expenses OperatingExpenses	88807000	USD
CY2020Q3	us-gaap	Operating Expenses OperatingExpenses	63268000	USD
	us-gaap	Operating Expenses OperatingExpenses	246363000	USD
	us-gaap	Operating Expenses OperatingExpenses	184333000	USD
CY2021Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	-22897000	USD
CY2020Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	-7515000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	-57963000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	-28216000	USD
CY2021Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-2329000	USD
CY2020Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	4277000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-4141000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1845000	USD
CY2021Q3	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-72000	USD
CY2020Q3	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-119000	USD
	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-233000	USD
	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-390000	USD
CY2021Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-2401000	USD
CY2020Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	4158000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-4374000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	1455000	USD
CY2021Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-25298000	USD
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.39
CY2020Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-3357000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-62337000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-26761000	USD
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	86000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	255000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	459000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	335000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	-25384000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	-3612000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-62796000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-27096000	USD
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.36
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.36
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.05
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.05
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.89
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.89
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.39
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	71118881	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	71118881	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	69923553	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	69923553	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	70935585	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	70935585	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	68611994	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	68611994	shares
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	-25384000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	-3612000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-62796000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-27096000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	28000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-1960000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	2569000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-2157000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	0	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	0	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	31000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	0	USD
CY2021Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-25356000	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-5572000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-60196000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-29253000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	296605000	USD
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	-13587000	USD
CY2021Q1	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	625000	USD
CY2021Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	7894000	USD
CY2021Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	4023000	USD
CY2021Q1	us-gaap	Stockholders Equity StockholdersEquity	295560000	USD
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	-23825000	USD
CY2021Q2	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	1464000	USD
CY2021Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	4598000	USD
CY2021Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1451000	USD
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	276346000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	-25384000	USD
CY2021Q3	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	286000	USD
CY2021Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	5200000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	28000	USD
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	256476000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	205237000	USD
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	-11669000	USD
CY2020Q1	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	670000	USD
CY2020Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	3476000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	17000	USD
CY2020Q1	us-gaap	Stockholders Equity StockholdersEquity	197731000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	-11815000	USD
CY2020Q2	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	107915000	USD
CY2020Q2	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	1571000	USD
CY2020Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	3614000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-214000	USD
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	298802000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	-3612000	USD
CY2020Q3	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	934000	USD
CY2020Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	3578000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1960000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	297742000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-62796000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-27096000	USD
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	4071000	USD
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	4485000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	61000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	778000	USD
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-78000	USD
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-22000	USD
	us-gaap	Debt Securities Available For Sale Unrealized Gain Loss DebtSecuritiesAvailableForSaleUnrealizedGainLoss	31000	USD
	us-gaap	Debt Securities Available For Sale Unrealized Gain Loss DebtSecuritiesAvailableForSaleUnrealizedGainLoss	0	USD
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	522000	USD
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	522000	USD
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	162000	USD
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	162000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	17692000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	10668000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	10005000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	22594000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-2734000	USD
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-4491000	USD
	appn	Increase Decrease In Deferred Commissions IncreaseDecreaseInDeferredCommissions	-11570000	USD
	appn	Increase Decrease In Deferred Commissions IncreaseDecreaseInDeferredCommissions	-4349000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	10797000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-2456000	USD
	appn	Increase Decrease In Accrued Compensation And Related Benefits IncreaseDecreaseInAccruedCompensationAndRelatedBenefits	-5782000	USD
	appn	Increase Decrease In Accrued Compensation And Related Benefits IncreaseDecreaseInAccruedCompensationAndRelatedBenefits	-5844000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	2858000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	2963000	USD
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	6829000	USD
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	10531000	USD
	appn	Increase Decrease In Operating Lease Liabilities IncreaseDecreaseInOperatingLeaseLiabilities	-476000	USD
	appn	Increase Decrease In Operating Lease Liabilities IncreaseDecreaseInOperatingLeaseLiabilities	3422000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-34498000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-13453000	USD
	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	84592000	USD
	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	0	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	30729000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	6138000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2473000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1036000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	51390000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-7174000	USD
	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	0	USD
	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1080000	USD
	us-gaap	Proceeds From Issuance Initial Public Offering ProceedsFromIssuanceInitialPublicOffering	0	USD
	us-gaap	Proceeds From Issuance Initial Public Offering ProceedsFromIssuanceInitialPublicOffering	108260000	USD
	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	0	USD
	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	18000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	2375000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	3175000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	2375000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	110337000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-1367000	USD
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1623000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	17900000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	91333000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	112462000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	159755000	USD
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	130362000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	251088000	USD
	us-gaap	Interest Paid Net InterestPaidNet	240000	USD
	us-gaap	Interest Paid Net InterestPaidNet	116000	USD
	us-gaap	Income Taxes Paid IncomeTaxesPaid	1196000	USD
	us-gaap	Income Taxes Paid IncomeTaxesPaid	630000	USD
CY2021Q3	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P24M
	us-gaap	Use Of Estimates UseOfEstimates	<div style="text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Use of Estimates</span></div><div style="text-indent:18pt"><span><br/></span></div><div style="text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of our condensed consolidated financial statements in conformity with U.S. GAAP requires us to make estimates and judgments that affect the amounts reported in these condensed consolidated financial statements and accompanying notes. Although we believe the estimates we use are reasonable, due to the inherent uncertainty involved in making these estimates, actual results reported in future periods could differ from those estimates.</span></div><div style="text-indent:18pt"><span><br/></span></div><div style="text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Significant estimates embedded in the condensed consolidated financial statements include revenue recognition, income taxes and the related valuation allowance, the valuation of goodwill and intangible assets, leases, costs to obtain a contract with a customer, the valuation of financial instruments, and stock-based compensation.</span></div><div style="text-indent:18pt"><span><br/></span></div><div style="text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The ongoing outbreak of the novel coronavirus disease ("COVID-19") has resulted in the declaration of a global pandemic and introduced a level of disruption and uncertainty into the financial markets and global economy. While we continue to monitor the developments surrounding the pandemic, as of the date of issuance of these financial statements, we are not aware of any specific events or circumstances that would require us to update our estimates, assumptions, and judgments or revise the carrying value of our assets or liabilities. We cannot estimate the impacts COVID-19 may have on our business going forward as such impacts will be largely dependent upon a number of factors outside of our control including the extent and duration of the outbreak as well as any mitigating actions which may be undertaken by global governments and the general public.</span></div>
	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Concentration of Credit and Customer Risk</span></div><div style="text-indent:18pt"><span><br/></span></div><div style="text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Our financial instruments exposed to concentration of credit and customer risk consist primarily of cash, cash equivalents, and restricted cash, accounts receivable, and our short- and long-term investments. Deposits held with banks may exceed the amount of insurance provided on such deposits; however, we believe the financial institutions holding our cash deposits are financially sound and, accordingly, minimal credit risk exists with respect to these balances.</span></div>With regard to our customers, credit evaluation and account monitoring procedures are used to minimize the risk of loss. We believe no additional credit risk beyond amounts provided for collection loss are inherent in accounts receivable.
	appn	Number Of Government Agencies NumberOfGovernmentAgencies	3	agency
	appn	Number Of Government Agencies NumberOfGovernmentAgencies	3	agency
CY2021Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	127122000	USD
CY2020Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	251088000	USD
CY2021Q3	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	3240000	USD
CY2020Q3	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	0	USD
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	130362000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	251088000	USD
	us-gaap	Allowance For Doubtful Accounts Receivable Period Increase Decrease AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease	0	USD
CY2021Q3	us-gaap	Capitalized Contract Cost Amortization Period CapitalizedContractCostAmortizationPeriod	P5Y
CY2021Q3	us-gaap	Noninterest Expense Commission Expense NoninterestExpenseCommissionExpense	8200000	USD
	us-gaap	Noninterest Expense Commission Expense NoninterestExpenseCommissionExpense	22500000	USD
CY2020Q3	us-gaap	Noninterest Expense Commission Expense NoninterestExpenseCommissionExpense	5600000	USD
	us-gaap	Noninterest Expense Commission Expense NoninterestExpenseCommissionExpense	16700000	USD
	us-gaap	Number Of Reporting Units NumberOfReportingUnits	1	reporting_unit
CY2021Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	92417000	USD
CY2020Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	77304000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	264271000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	222943000	USD
CY2021Q3	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	13400000	USD
CY2020Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	20100000	USD
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	103500000	USD
CY2021Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	246700000	USD
CY2021Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	223900000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Renewal Term LesseeOperatingLeaseRenewalTerm	P10Y
CY2018Q2	appn	Number Of Square Feet NumberOfSquareFeet	176222	sqft
CY2018Q2	us-gaap	Lessee Operating Lease Term Of Contract LesseeOperatingLeaseTermOfContract	P150M
CY2019Q1	appn	Number Of Square Feet NumberOfSquareFeet	28805	sqft
CY2020Q1	appn	Number Of Square Feet NumberOfSquareFeet	34158	sqft
CY2020Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	7900000	USD
CY2020Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	7900000	USD
CY2020Q4	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	2700000	USD
CY2021Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	1659000	USD
CY2020Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	1695000	USD
	us-gaap	Operating Lease Cost OperatingLeaseCost	4984000	USD
	us-gaap	Operating Lease Cost OperatingLeaseCost	4971000	USD
CY2021Q3	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	0	USD
CY2020Q3	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	373000	USD
	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	0	USD
	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	1118000	USD
CY2021Q3	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	0	USD
CY2020Q3	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	41000	USD
	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	0	USD
	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	138000	USD
CY2021Q3	us-gaap	Short Term Lease Cost ShortTermLeaseCost	23000	USD
CY2020Q3	us-gaap	Short Term Lease Cost ShortTermLeaseCost	85000	USD
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	77000	USD
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	465000	USD
CY2021Q3	us-gaap	Variable Lease Cost VariableLeaseCost	947000	USD
CY2020Q3	us-gaap	Variable Lease Cost VariableLeaseCost	1000	USD
	us-gaap	Variable Lease Cost VariableLeaseCost	1744000	USD
	us-gaap	Variable Lease Cost VariableLeaseCost	218000	USD
CY2021Q3	us-gaap	Lease Cost LeaseCost	2629000	USD
CY2020Q3	us-gaap	Lease Cost LeaseCost	2195000	USD
	us-gaap	Lease Cost LeaseCost	6805000	USD
	us-gaap	Lease Cost LeaseCost	6910000	USD
CY2021Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	29218000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	30659000	USD
CY2021Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	6606000	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	6923000	USD
CY2021Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	49592000	USD
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	51194000	USD
CY2021Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	56198000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	58117000	USD
CY2021Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P9Y9M18D
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P10Y7M6D
CY2021Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.096
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.096
CY2021Q3	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	700000	USD
	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	1400000	USD
CY2020Q3	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	400000	USD
	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	1300000	USD
CY2021Q3	appn	Operating Lease Interest Expense OperatingLeaseInterestExpense	500000	USD
CY2021Q3	appn	Operating Lease Interest Expense OperatingLeaseInterestExpense	500000	USD
	appn	Operating Lease Interest Expense OperatingLeaseInterestExpense	1400000	USD
CY2020Q3	appn	Operating Lease Interest Expense OperatingLeaseInterestExpense	700000	USD
	appn	Operating Lease Interest Expense OperatingLeaseInterestExpense	2200000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	5295000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	1716000	USD
	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	0	USD
	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	138000	USD
	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	0	USD
	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1080000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	626000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	8450000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	8311000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	8634000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	9330000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	9366000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	48775000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	93492000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	37294000	USD
CY2021Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	56198000	USD
CY2021Q3	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	47112000	USD
CY2020Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	44720000	USD
CY2021Q3	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	12832000	USD
CY2020Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	9316000	USD
CY2021Q3	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	34280000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	3600000	USD
CY2020Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	35404000	USD
CY2021Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1200000	USD
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-100000	USD
CY2021Q3	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-100000	USD
CY2020Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1400000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	4200000	USD
CY2020Q3	us-gaap	Property Plant And Equipment Disposals PropertyPlantAndEquipmentDisposals	0	USD
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	0	USD
CY2021Q3	appn	Accrued Hosting Costs Current AccruedHostingCostsCurrent	2006000	USD
CY2020Q4	appn	Accrued Hosting Costs Current AccruedHostingCostsCurrent	1229000	USD
CY2021Q3	appn	Accrued Legal Costs AccruedLegalCosts	1975000	USD
CY2020Q4	appn	Accrued Legal Costs AccruedLegalCosts	760000	USD
CY2021Q3	us-gaap	Accrued Marketing Costs Current AccruedMarketingCostsCurrent	1868000	USD
CY2020Q4	us-gaap	Accrued Marketing Costs Current AccruedMarketingCostsCurrent	596000	USD
CY2021Q3	appn	Accrued Third Party License Fee AccruedThirdPartyLicenseFee	957000	USD
CY2020Q4	appn	Accrued Third Party License Fee AccruedThirdPartyLicenseFee	570000	USD
CY2021Q3	appn	Accrued Contract Employment Current AccruedContractEmploymentCurrent	683000	USD
CY2020Q4	appn	Accrued Contract Employment Current AccruedContractEmploymentCurrent	908000	USD
CY2021Q3	us-gaap	Other Employee Related Liabilities Current And Noncurrent OtherEmployeeRelatedLiabilitiesCurrentAndNoncurrent	481000	USD
CY2020Q4	us-gaap	Other Employee Related Liabilities Current And Noncurrent OtherEmployeeRelatedLiabilitiesCurrentAndNoncurrent	231000	USD
CY2021Q3	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	256000	USD
CY2020Q4	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	370000	USD
CY2021Q3	us-gaap	Taxes Payable Current TaxesPayableCurrent	0	USD
CY2020Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	527000	USD
CY2021Q3	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	2052000	USD
CY2020Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	630000	USD
CY2021Q3	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	10278000	USD
CY2020Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	5821000	USD
CY2021Q3	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	11200000	USD
CY2020Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	11200000	USD
CY2021Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.003
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.007
CY2020Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.076
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.013
CY2021Q3	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	2300000	USD
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	3039860	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	3399240	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	14.06
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y10M24D
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	503174000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	346880	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	6.82
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	37837000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	1080	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	6.47
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	11420	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	11.67
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	14.90
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y2M12D
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	235916000	USD
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	2844040	shares
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	15.12
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P4Y1M6D
CY2021Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	220107000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	10700000	USD
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	1400000	USD
CY2021Q3	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions	100000	USD
	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P0Y7M6D
CY2021Q3	us-gaap	Purchase Obligation Due In Fourth Year PurchaseObligationDueInFourthYear	28000000	USD
CY2021Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	5200000	USD
CY2020Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3578000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	17692000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	10668000	USD
CY2021Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	5200000	USD
CY2020Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3578000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	17692000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	10668000	USD
CY2021Q3	us-gaap	Purchase Obligation PurchaseObligation	131000000	USD
CY2021Q3	us-gaap	Purchase Obligation Due In Next Twelve Months PurchaseObligationDueInNextTwelveMonths	22000000	USD
CY2021Q3	us-gaap	Purchase Obligation Due In Second Year PurchaseObligationDueInSecondYear	25000000	USD
CY2021Q3	us-gaap	Purchase Obligation Due In Fifth Year PurchaseObligationDueInFifthYear	28000000	USD
CY2021Q3	us-gaap	Purchase Obligation Due In Third Year PurchaseObligationDueInThirdYear	28000000	USD
CY2021Q3	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	11200000	USD
CY2020Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	11200000	USD
CY2021Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	92417000	USD
CY2020Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	77304000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	264271000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	222943000	USD
CY2021Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	120769000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Accumulated Gross Unrealized Gain Loss Before Tax DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax	9000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	120778000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	189611000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Accumulated Gross Unrealized Gain Loss Before Tax DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax	-22000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	189589000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	120769000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	120778000	USD

Files In Submission

Name	View Source	Status
0001441683-21-000085-index-headers.html	Edgar Link	pending
0001441683-21-000085-index.html	Edgar Link	pending
0001441683-21-000085.txt	Edgar Link	pending
0001441683-21-000085-xbrl.zip	Edgar Link	pending
appn-20210930.htm	Edgar Link	pending
appn-20210930.xsd	Edgar Link	pending
appn-20210930_cal.xml	Edgar Link	unprocessable
appn-20210930_def.xml	Edgar Link	unprocessable
appn-20210930_g1.jpg	Edgar Link	pending
appn-20210930_htm.xml	Edgar Link	completed
appn-20210930_lab.xml	Edgar Link	unprocessable
appn-20210930_pre.xml	Edgar Link	unprocessable
appn09302021ex101.htm	Edgar Link	pending
appn09302021ex311.htm	Edgar Link	pending
appn09302021ex312.htm	Edgar Link	pending
appn09302021ex321.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$APPN
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2021 Q3 Form 10-Q Financial Statement

#000144168321000085 Filed on November 04, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$APPN APPIAN CORP Stock $appn

2021 Q3 Form 10-Q Financial Statement

#000144168321000085 Filed on November 04, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$APPN
APPIAN CORP Stock $appn