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Corporate Office Relocation - Contract Termination and Relocation (Details) - Corporate Office Relocation $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($)
Corporate Office Relocation
Remaining lease and relocation cost	$ 2,113
Remaining lease costs
Corporate Office Relocation
Remaining lease and relocation cost	1,258
Impairment of leasehold improvements and furniture and fixtures
Corporate Office Relocation
Remaining lease and relocation cost	795
Relocation costs
Corporate Office Relocation
Remaining lease and relocation cost	$ 60

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[Line Items] for Corporate Office Relocation [Table]

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Relocation Expenses Incurred

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