INTANGIBLE ASSETS AND GOODWILL (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
Dec. 31, 2013	Dec. 31, 2014 facility	Dec. 31, 2013
Goodwill [Line Items]
Number of facilities		32adk_NumberOfFacilities
Changes in the carrying amount of goodwill
Goodwill, Gross		$ 5,023us-gaap_GoodwillGross	$ 5,023us-gaap_GoodwillGross
Accumulated impairment losses		(799)	0
Total		4,224us-gaap_Goodwill	5,023us-gaap_Goodwill
Net change during year		0us-gaap_GoodwillPeriodIncreaseDecrease	(799)us-gaap_GoodwillPeriodIncreaseDecrease
Impairment losses	(799)us-gaap_GoodwillImpairmentLoss	0us-gaap_GoodwillImpairmentLoss
Goodwill, Gross	5,023us-gaap_GoodwillGross	5,023us-gaap_GoodwillGross	5,023us-gaap_GoodwillGross
Accumulated impairment losses	(799)	(799)	(799)
Total	4,224us-gaap_Goodwill	4,224us-gaap_Goodwill	4,224us-gaap_Goodwill
Tybee Island, Georgia [Member]
Goodwill [Line Items]
Number of facilities			2
Changes in the carrying amount of goodwill
Impairment losses			$ (700)

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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-Publisher FASB

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-SubTopic 20

-Section 50

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- Definition

Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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-Publisher FASB

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