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Corporate Office Relocation (Narratives) (Details) - USD ($)	3 Months Ended	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2017
Corporate Office Relocation
Corporate Office Relocation [Line Items]
Remaining lease and relocation cost	$ 2,113,000	$ 2,113,000

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- Definition

[Line Items] for Corporate Office Relocation [Table]

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No definition available.

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- Definition

Relocation Expenses Incurred

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: