Quarterly report pursuant to Section 13 or 15(d)

Accrued Expenses and Other Liabilities (Details)

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Accrued Expenses and Other Liabilities (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Payables and Accruals [Abstract]    
Accrued employee compensation $ 30,623 $ 30,298
Operating lease obligations 8,288 9,202
Accrued interest 7,889 6,054
Accrued professional fees 9,643 5,837
Other accrued expenses 29,454 45,839
Total $ 85,897 $ 97,230