Annual report pursuant to Section 13 and 15(d)

Other Accrued Liabilities - Schedule of other accrued liabilities (Details)

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Other Accrued Liabilities - Schedule of other accrued liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Payables and Accruals [Abstract]    
Accrued payroll and related liabilities $ 4,459 $ 3,458
Interest payable 14,446 14,835
Income taxes payable 2,742 2,839
Legal settlement reserve 0 23,000
Other 9,438 9,352
Total Other accrued liabilities $ 31,085 $ 53,484