XML 138 R87.htm IDEA: XBRL DOCUMENT v3.19.1

OTHER NON-CURRENT ASSETS, NET (Narrative) (Details) ¥ in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2018 CNY (¥)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 CNY (¥)	Dec. 31, 2016 CNY (¥)
Other non-current assets [Line Items]
Payments to Acquire Other Investments	¥ 0	$ 0	¥ 798	¥ 0
Shenyang K12 [Member]
Other non-current assets [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners			10.00%
Payments to Acquire Other Investments			¥ 4,504

X

- References

No definition available.

+ Details

Name:	amboy_OtherAssetsNoncurrentLineItems
Namespace Prefix:	amboy_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

+ Details

Name:	us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Amount of cash outflow to acquire investments classified as other.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585

+ Details

Name:	us-gaap_PaymentsToAcquireOtherInvestments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	srt_OwnershipAxis=amboy_ShenyangK12Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: