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Prepaid Expenses and Other - Summary of Prepaid Expenses and Other (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Prepaid Expense and Other Assets, Current [Abstract]    
Prepaid income taxes $ 2,050 $ 1,106
Escrow funds 0 10,000
Contract asset 4,512 0
Prepaid insurance 2,070 2,121
Prepaid taxes and licenses 2,131 906
Note receivable 0 3,224
Prepaid rent 1,014 2,268
Deposits held for leased premises and bonds 2,115 2,849
Costs to fulfill a contract 1,937 2,543
Other 11,463 10,226
Total prepaid expenses and other $ 27,292 $ 35,243