Benefit Plans (Details)	3 Months Ended
Mar. 31, 2017 USD ($)
Benefit Plans [Abstract]
Defined Contribution Plan, Administrative Expenses	$ 177,000

Amount of administrative expenses incurred by a defined contribution plan.

No definition available.

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