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Supplemental Balance Sheet Information (Tables)
 12 Months Ended
Dec. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of Accounts Receivable
The following table summarizes our accounts receivable balance:
December 31,
(in thousands)20202019
Trade accounts receivable$63,404 $101,947 
Allowance for credit losses(3,053)(2,208)
Accounts receivable, net$60,351 $99,739 
Schedule of Allowance for Credit Losses
The following table presents activity in the allowance for credit losses:
Year Ended December 31,
(in thousands)20202019
Balance as of December 31, 2019$2,208 $1,838 
Provision for expected credit losses, net of writeoffs & recoveries10,268 4,686 
Uncollectible receivables written off(9,423)(4,316)
Balance as of December 31, 2020$3,053 $2,208 
Schedule of Inventories
The following table summarizes our inventories:
December 31,
(in thousands)20202019
Service tools$7,859 $8,081 
Coiled tubing239 1,558 
Manufacturing related— 8,925 
Other618 1,698 
Total inventories$8,716 $20,262 
Schedule of Prepaid Expenses and Other Current Assets
The following table summarizes our prepaid expenses and other current assets:
December 31,
(in thousands)20202019
Prepaid expenses$8,240 $6,407 
Other3,770 2,614 
Total prepaid expenses and other current assets$12,010 $9,021 
Summary of Property and Equipment
The following table summarizes our property and equipment. Prior year amounts are adjusted for the discontinued pumping services and contract drilling operations:
EstimatedDecember 31,
(in thousands)Useful Life20202019
Service equipment
3-15 years
$173,805 $262,578 
Brine and saltwater disposal facilities
10-15 years
90,677 92,103 
Rental equipment
2-15 years
46,812 60,886 
Buildings and improvements
20-30 years
34,432 30,902 
Land17,832 15,682 
Light vehicles
3-7 years
14,529 26,630 
Other4,772 4,844 
Total property and equipment382,859 493,625 
Less accumulated depreciation and amortization(172,296)(196,512)
Property and equipment, net$210,563 $297,113 
The table below summarizes the gross amount of property and equipment and related accumulated amortization recorded under finance leases and included above:
 December 31,
(in thousands)20202019
Service equipment$40,809 $51,075 
Light vehicles7,137 19,563 
Rental equipment881 1,130 
48,827 71,768 
Less accumulated amortization(22,691)(27,727)
Finance lease right-of-use assets$26,136 $44,041 
Schedule of Amortizable Intangible Assets
The Company’s intangible assets subject to amortization were as follows:
December 31,
(in thousands)20202019
Trade names$7,230 $3,230 
Other intangible assets48 48 
     Sub-total7,278 3,278 
Less accumulated amortization(1,100)(675)
Intangible assets, net$6,178 $2,603 
Schedule of Finite-lived Intangible Assets Amortization Expense
Amortization expense for the next five succeeding years is expected to be as follows:
(in thousands)Amortization Expense
2021$492 
2022482 
2023482 
2024482 
2025482 
Thereafter3,758 
  Total$6,178 
Schedule of Other Assets
The following table summarizes our other assets:
December 31,
(in thousands)20202019
Cash surrender value of company-owned life insurance$10,839 $10,300 
Real estate held for sale10,634 — 
Cloud computing capitalized costs, net2,291 1,260 
Deposits1,206 1,853 
Deferred debt issuance costs for credit facility957 2,198 
Other1,346 219 
Total other assets$27,273 $15,830 
Schedule of Accrued Expenses
The following table summarizes our accrued expenses: 
December 31,
(in thousands)20202019
Employee compensation and benefits$29,789 $20,889 
Accrued interest9,326 8,996 
Property taxes7,724 4,672 
Sales and use taxes4,070 2,114 
Federal and state income tax 3,032 2,375 
Other 1,323 184 
  Total accrued expenses$55,264 $39,230 
Schedule of Other Current Liabilities
The following table summarizes our other current liabilities:
December 31,
(in thousands)20202019
Make-whole derivative liability$4,847 $— 
Current portion of asset retirement obligations1,021 1,285 
Liabilities associated with assets held for sale508 5,248 
Other1,995 2,961 
Total other current liabilities$8,371 $9,494 
Schedule of Activity in Asset Retirement Obligations
The following table presents activity in our asset retirement obligations:
Year Ended December 31,
(in thousands)20202019
Balance as of January 1, 2020$10,329 $2,587 
Additions 281 281 
Revision in estimate— 7,205 
Disposals(290)(124)
Expenditures(1,526)(671)
Accretion of discount1,924 1,051 
Balance as of December 31, 202010,718 10,329 
Less: current portion of asset retirement obligations(1,021)(1,285)
$9,697 $9,044 
Schedule of Other Liabilities
The following table summarizes our other liabilities:
December 31,
(in thousands)20202019
Deferred compensation$6,533 $10,838 
Loans secured by company-owned life insurance6,013 3,622 
Deferred income tax liability424 — 
Other529 3,082 
Total other liabilities$13,499 $17,542