v3.3.1.900

Accounts Receivable and Allowance for Doubtful Accounts (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2015
Accounts Receivable And Allowance for Doubtful Accounts |
Schedule of accounts receivable, net |
|  | December 31, |
|  | 2015 |  | 2014 |
|  | (in thousands) |
Accounts receivable |  | $ | 360 |  | $ | 308 |
Other receivables |  |  | 615 |  |  | 42 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Accounts receivable, net |  | $ | 975 |  | $ | 350 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Summary of changes in allowance for doubtful accounts |
|  | Balance at Beginning of Period |  | Additions Charged to Expense/Against Revenue |  | Deductions |  | Balance at End of Period |
|  | (in thousands) |
Allowance for doubtful accounts: |  |  |  |  |  |  |  |  |  |  |  |  |
Year ended December 31, 2015 |  | $ | — |  | $ | — |  | $ | — |  | $ | — |
Year ended December 31, 2014 |  |  | 12 |  |  | — |  |  | (12 | ) |  | — |
Year ended December 31, 2013 |  |  | — |  |  | 12 |  |  | — |  |  | 12 |

X
- Definition Accounts receivable and allowances for doubtful accounts. + References No definition available. + Details
Name: | twou_AccountsReceivableAndAllowanceForDoubtfulAccountsAbstract
Namespace Prefix: | twou_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of allowance for doubtful accounts. + References No definition available. + Details
Name: | twou_ScheduleOfAllowanceForDoubtfulAccountsTableTextBlock
Namespace Prefix: | twou_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration