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Property, Plant and Equipment and Leasehold Intangibles, Net
 12 Months Ended
Dec. 31, 2020
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment and Leasehold Intangibles, Net Property, Plant and Equipment and Leasehold Intangibles, Net
As of December 31, 2020 and 2019, net property, plant and equipment and leasehold intangibles, which include assets under financing leases, consisted of the following:
As of December 31,
(in thousands)20202019
Land$505,298 $450,894 
Buildings and improvements5,215,460 4,790,769 
Furniture and equipment945,783 859,849 
Resident and leasehold operating intangibles307,071 317,111 
Construction in progress61,491 80,729 
Assets under financing leases and leasehold improvements1,523,055 1,847,493 
Property, plant and equipment and leasehold intangibles8,558,158 8,346,845 
Accumulated depreciation and amortization(3,490,098)(3,237,011)
Property, plant and equipment and leasehold intangibles, net$5,068,060 $5,109,834 

Assets under financing leases and leasehold improvements includes $0.4 billion and $0.6 billion of financing lease right-of-use assets, net of accumulated amortization, as of December 31, 2020 and 2019, respectively. Refer to Note 10 for further information on the Company's financing leases.

Long-lived assets with definite useful lives are depreciated or amortized on a straight-line basis over their estimated useful lives (or, in certain cases, the shorter of their estimated useful lives or the lease term) and are tested for impairment whenever indicators of impairment arise. Refer to Note 5 for information on impairment expense for property, plant and equipment and leasehold intangibles.

For the years ended December 31, 2020, 2019, and 2018, the Company recognized depreciation and amortization expense on its property, plant and equipment and leasehold intangibles of $359.2 million, $377.6 million, and $444.3 million, respectively.