Other Employee Benefit Plans (Details)	12 Months Ended
Dec. 31, 2018
Retirement Benefits [Abstract]
Maximum percentage of employee contribution	15.00%

Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.

No definition available.

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