Subsequent Events (Details) - Subsequent Event	Feb. 09, 2016 USD ($)
Subsequent Event [Line Items]
Stock repurchase program, approved amount	$ 15,000,000
Stock repurchase program, percentage of total shares outstanding	1.70%

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration