v3.19.3.a.u2
LEASE ASSETS AND LIABILITIES Narrative 4 (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Lessor, Lease, Description [Line Items]    
Lessor, operating lease, term of contract 10 years  
Lessor, operating lease, payments to be received $ 273,700  
Lease storage assets, cost 6,187,144 $ 5,627,805
Lease storage assets, accumulated depreciation $ 2,068,165 $ 1,853,003
Assets leased to others [Member]    
Lessor, Lease, Description [Line Items]    
Lease storage assets, estimated useful life 30 years  
Lease storage assets, cost $ 238,200  
Lease storage assets, accumulated depreciation 121,500  
Service revenues [Member]    
Lessor, Lease, Description [Line Items]    
Operating lease, lease income $ 40,800