The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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Name:	us-gaap_ImpairmentOfLongLivedAssetsHeldForUse
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Basis of Presentation - Joint Venture Interests Acquired - Impairment (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2018	Sep. 30, 2018
Asset Impairment Charges [Abstract]
Impairment and other charges		$ 4,540	$ 4,540
Opry City Stage [Member]
Asset Impairment Charges [Abstract]
Impairment and other charges	$ 4,500