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Corporate Office Relocation - Contract Termination and Relocation (Details) - Corporate Office Relocation - USD ($)	3 Months Ended	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2017
Corporate Office Relocation [Line Items]
Remaining lease and relocation cost	$ 2,113,000	$ 2,113,000
Remaining lease costs
Corporate Office Relocation [Line Items]
Remaining lease and relocation cost	1,258,000	1,258,000
Impairment of leasehold improvements and furniture and fixtures
Corporate Office Relocation [Line Items]
Remaining lease and relocation cost	795,000	795,000
Relocation costs
Corporate Office Relocation [Line Items]
Remaining lease and relocation cost	$ 60,000	$ 60,000

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[Line Items] for Corporate Office Relocation [Table]

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