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Prepaids and Other Current Assets (Notes)
9 Months Ended
Sep. 30, 2021
Prepaid Expense and Other Assets [Abstract]  
Prepaids, other current assets and other noncurrent assets [Text Block] Prepaid Expenses and Other Current Assets and Other Assets
Prepaid expenses and other current assets consist of the following (in thousands): 
 September 30, 2021December 31, 2020
Other prepaid expenses and receivables$17,175 $14,964 
Deferred costs5,676 6,402 
Prepaid insurance and property taxes968 6,178 
VAT/GST receivable2,562 3,676 
Deferred tax charge4,130 3,542 
Foreign exchange forward contract772 3,555 
Deposits1,317 1,353 
Other2,118 1,822 
 $34,718 $41,492 

Other assets consist of the following (in thousands):
September 30, 2021December 31, 2020
Pump lease receivables$27,043 $28,948 
Spare parts26,486 22,725 
Equity method investments3,250 — 
Financed lease assets2,690 2,915 
Other1,330 887 
60,799 55,475