XML 13 R22.htm IDEA: XBRL DOCUMENT v3.19.3
Other Long-Term Obligations and Commitments (Tables)
9 Months Ended
Sep. 30, 2019
Debt Disclosure [Abstract]  
Summary of Future Minimum Lease Payments for Non-Cancelable Operating Leases
The payment schedule for the Company’s operating and financing lease obligations as of September 30, 2019 is as follows:
 
(Thousands
 of
 
dollars)
 
Operating
Leases
  
Financing
Leases
 
2019
 $149  $2 
2020
  155   8 
2021
  17   2 
  
 
 
  
 
 
 
Total undiscounted lease payments
 $321  $12 
Less: Amount associated with discounting
  (16  (1
  
 
 
  
 
 
 
Net operating lease liabilities
 $305  $11 
  
 
 
  
 
 
 
Reconciliation of Liability for Plugging and Abandonment Costs
A reconciliation of the liability for plugging and abandonment costs for the nine months ended September 30, 2019 is as follows:
 
(Thousands
 of
 dollars)
 
September 30,
2019
 
Asset retirement obligation at December 31, 2018
 $21,334 
Liabilities incurred
  4 
Liabilities settled
  (1,119)
Accretion expense
  840 
  
 
 
 
Asset retirement obligation at
September
 30, 2019
 $21,059