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Revenue and Performance Obligations
 12 Months Ended
Jan. 31, 2021
Revenue from Contract with Customer [Abstract]  
Revenue and Performance Obligations Revenue and Performance Obligations
Subscription revenue is recognized over time and accounted for approximately 95%, 94% and 95% of our revenue for the years ended January 31, 2021, 2020 and 2019.

As of January 31, 2021, the amount of the transaction price allocated to remaining performance obligations for contracts greater than one year was $1.1 billion. We expect to recognize 52% of the transaction price allocated to remaining performance obligations within the 12 months following January 31, 2021 in our consolidated statement of operations and comprehensive loss.
Contract Balances
Contract assets represent amounts for which we have recognized revenue, pursuant to our revenue recognition policy, for contracts that have not yet been invoiced to our customers where there is a remaining performance obligation, typically for multi-year arrangements. Total contract assets were $17.5 million and $13.4 million as of January 31, 2021 and 2020, of which $0.6 million and $0.9 million were noncurrent and included within “Other assets—noncurrent” on our consolidated balance sheets. The change in contract assets reflects the difference in timing between our satisfaction of remaining performance obligations and our contractual right to bill our customers.

Contract liabilities consist of deferred revenue and include payments received in advance of performance under the contract. Such amounts are generally recognized as revenue over the contractual period. For the years ended January 31, 2021, 2020 and 2019, we recognized revenue of $499.5 million, $374.8 million and $264.0 million that was included in the corresponding contract liability balance at the beginning of the periods presented.

We receive payments from customers based upon contractual billing schedules. We record accounts receivable when the right to consideration becomes unconditional. Payment terms on invoiced amounts are typically 30 days.
Deferred Contract Acquisition and Fulfillment Costs
The following table represents a rollforward of our deferred contract acquisition and fulfillment costs:
Year Ended January 31,
(in thousands)20212020
Deferred Contract Acquisition Costs
Beginning balance$155,697 $115,985 
Additions to deferred contract acquisition costs185,970 99,382 
Amortization of deferred contract acquisition costs(81,132)(58,192)
Cumulative translation adjustment1,984 (1,478)
Ending balance$262,519 $155,697 
Deferred Contract Fulfillment Costs
Beginning balance$8,218 $3,432 
Additions to deferred contract fulfillment costs22,540 16,341 
Amortization of deferred contract fulfillment costs(18,252)(11,555)
Ending balance$12,506 $8,218