Activity in real estate facilities during the years ended December 31, 2021 and 2020 is as follows:
20212020
(In thousands)
Operating facilities, at cost:
Beginning balance$5,706,760 $3,729,589 
Capital expenditures 304,886 346,027 
Acquisitions383,600 1,662,650 
Purchase price allocation adjustments(198,541)— 
Disposition(3,691)(62,225)
Impairment(1,700)(2,153)
Conversion of leased assets to owned— 7,956 
Impact of foreign exchange rate changes(56,612)24,916 
Ending balance6,134,702 5,706,760 
Accumulated depreciation:
Beginning balance(1,080,922)(936,422)
Depreciation expense(201,497)(146,237)
Dispositions1,259 8,731 
Impact of foreign exchange rate changes3,986 (6,994)
Ending balance(1,277,174)(1,080,922)
Total real estate facilities $4,857,528 $4,625,838 
Non-real estate assets372,101 269,668 
Total property, buildings and equipment and finance leases, net$5,229,629 $4,895,506 

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.