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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=64834752&loc=SL49117168-202975

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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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.

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- Definition

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

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Goodwill and Other Intangibles - Change in Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2017	Dec. 31, 2015	Dec. 31, 2016
Goodwill [Line Items]
Goodwill			$ 52,481
Changes due to foreign currency exchange rate fluctuations	$ 19	$ (167)
Less: accumulated impairment of goodwill			(51,306)
Goodwill [Roll Forward]
Goodwill, beginning balance	1,008
Changes due to foreign currency exchange rate fluctuations	19	(167)
Goodwill, ending balance	1,027
NYSC [Member]
Goodwill [Line Items]
Goodwill			31,549
Changes due to foreign currency exchange rate fluctuations	0	0
Less: accumulated impairment of goodwill			(31,549)
Goodwill [Roll Forward]
Goodwill, beginning balance	0
Changes due to foreign currency exchange rate fluctuations	0	0
Goodwill, ending balance	0
BSC [Member]
Goodwill [Line Items]
Goodwill			15,775
Changes due to foreign currency exchange rate fluctuations	0	0
Less: accumulated impairment of goodwill			(15,775)
Goodwill [Roll Forward]
Goodwill, beginning balance	0
Changes due to foreign currency exchange rate fluctuations	0	0
Goodwill, ending balance	0
SSC [Member]
Goodwill [Line Items]
Goodwill			1,175
Changes due to foreign currency exchange rate fluctuations	19	(167)
Less: accumulated impairment of goodwill			0
Goodwill [Roll Forward]
Goodwill, beginning balance	1,008
Changes due to foreign currency exchange rate fluctuations	19	(167)
Goodwill, ending balance	1,027
Outlier Clubs [Member]
Goodwill [Line Items]
Goodwill			3,982
Changes due to foreign currency exchange rate fluctuations	0	0
Less: accumulated impairment of goodwill			$ (3,982)
Goodwill [Roll Forward]
Goodwill, beginning balance	0
Changes due to foreign currency exchange rate fluctuations	0	$ 0
Goodwill, ending balance	$ 0