Our other property and equipment consists of the following assets that are recorded at cost and depreciated on a straight-line basis over the respective estimated useful lives.
 December 31,
 20252024
(in thousands)  
Midstream assets
$53,077 $36,880 
Other property and equipment4,039 3,173 
Gross midstream and other property and equipment
57,116 40,053 
Less: Accumulated depreciation
(7,416)(4,595)
Total midstream and other property and equipment, net
$49,700 $35,458 
The estimated useful lives of other property and equipment depreciated on a straight-line basis are as follows:
Midstream assets
5 – 25 years
Vehicles
5 years
Furniture, fixtures, and office equipment
3 – 10 years
Leasehold improvements
5 years

About PP&E Disclosures

The PP&E disclosure details a company's physical asset base — land, buildings, machinery, and equipment — along with the depreciation methods and useful life assumptions that determine how these costs flow through the income statement. Capitalization policy thresholds reveal management's judgment on the boundary between expense and asset, directly affecting both reported earnings and asset values.

Key signals: changes in estimated useful lives or depreciation methods can materially shift reported earnings without any operational change. Compare capital expenditures against depreciation expense — when capex consistently trails depreciation, the asset base may be aging and underinvested. Watch for large asset impairments or write-downs that signal overvalued carrying amounts. Asset retirement obligations reveal future environmental or decommissioning costs that are often underappreciated. Compare PP&E intensity (PP&E-to-revenue) against industry peers to assess capital efficiency and competitive positioning.