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Debt - Schedule of Long Term Debt (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Debt Disclosure [Abstract]    
Revolving lines of credit $ 9,788 $ 19,146
Finance lease 650 380
Unsecured senior note 210,000 210,000
Other loans 16,641 17,804
Syndicated loan 30,000
Less: Deferred cost of financing (4,622) (5,015)
Total obligations under borrowing arrangements 262,457 242,315
Less: Current portion of long-term debt and other current borrowings 12,223 21,606
Long-term debt $ 250,234 $ 220,709