Quarterly report pursuant to Section 13 or 15(d)

Orion Office REIT, Real Estate Investments and Related Intangibles - Intangible Lease Assets (Details)

v3.22.2.2
Orion Office REIT, Real Estate Investments and Related Intangibles - Intangible Lease Assets (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Real Estate [Line Items]          
Intangible lease assets, net $ 223,528   $ 223,528   $ 298,107
Weighted-Average Useful Life (Years)     8 years 1 month 6 days    
Below-market lease liabilities, net 15,611   $ 15,611   20,609
Below market-leases accumulated amortization 15,706   15,706   14,459
Amortization of deferred lease incentives 100   $ 100    
In-place leases:          
Real Estate [Line Items]          
Finite-Lived Intangible Asset, Useful Life     5 years 2 months 12 days    
Intangible lease assets, net 199,336   $ 199,336   272,743
Accumulated amortization 129,123   $ 129,123   65,247
Leasing commissions:          
Real Estate [Line Items]          
Finite-Lived Intangible Asset, Useful Life     12 years 8 months 12 days    
Intangible lease assets, net 11,776   $ 11,776   10,349
Accumulated amortization 1,244   $ 1,244   456
Above-market lease assets:          
Real Estate [Line Items]          
Finite-Lived Intangible Asset, Useful Life     5 years 4 months 24 days    
Intangible lease assets, net 11,127   $ 11,127   15,015
Accumulated amortization 10,127   $ 10,127   6,239
Deferred lease incentives          
Real Estate [Line Items]          
Finite-Lived Intangible Asset, Useful Life     4 years 6 months    
Intangible lease assets, net 1,289   $ 1,289   $ 0
Accumulated amortization 36   36    
Above‑ and below-market leases          
Real Estate [Line Items]          
Amortization expense 300 $ 300 900 $ 800  
In-place leases, leasing commissions and other lease intangibles          
Real Estate [Line Items]          
Amortization expense $ 23,700 $ 1,600 $ 73,500 $ 4,800