Schedule of Long-Term Obligations (Parenthetical) (Details)	Jun. 30, 2018	Dec. 31, 2017
Notes payable
Debt Instrument
Weighted average interest rates	1.50%	1.40%
Other Long Term Debt
Debt Instrument
Weighted average interest rates	2.20%	1.70%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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