XML 35 R15.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

OTHER NON-CURRENT ASSETS, NET | 12 Months Ended
--- | ---
Dec. 31, 2023
OTHER NON-CURRENT ASSETS, NET |
OTHER NON-CURRENT ASSETS, NET | 9. OTHER NON-CURRENT ASSETS, NET Other non-current assets consisted of the following: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ | As of December 31,
​ |  | 2022 |  | 2023
​ | ​ | ​ | ​ | ​ | ​ | ​
Long-term restricted cash (Note i) | ​ | $ | 1,731 | ​ | $ | 1,714
Long-term receivable (Note ii) |  | ​ | — |  | ​ | 1,467
Long-term lease deposits | ​ | ​ | 195 | ​ | ​ | 194
Others |  | ​ | 44 |  | ​ | 23
Sub-total | ​ | $ | 1,970 | ​ | $ | 3,398
Less: allowance for credit losses (Note ii) | ​ | ​ | — | ​ | ​ | (769)
Total |  | $ | 1,970 |  | $ | 2,629
​ (Note i) It includes cash in collateral bank accounts for the issuance of letters of credit in U.S. (Note ii) Long-term receivable related to BSC and expected to be collected more than twelve months.

X
- Definition The entire disclosure of noncurrent assets. + References No definition available. + Details
Name: | ambo_OtherAssetsNoncurrentDisclosureTextBlock
Namespace Prefix: | ambo_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_OtherAssetsNoncurrentDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration