Defined Contribution Bonus and Profit Sharing Plans Defined Contribution, Bonus, and Profit Sharing Narrative (Details) (Employer Match Percentage [Member])	12 Months Ended
Dec. 31, 2014
Employer Match Percentage [Member]
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Percentage of employer match into employee savings plan.	50.00%
Employer Matching Contribution, Percent of Employees' Gross Pay	6.00%

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration