SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2021

SIGNIFICANT ACCOUNTING POLICIES

Summary of estimated useful lives of the assets

Classification	Estimated Useful Life
Buildings	30 to 50 years
Land improvements	20 years
Leasehold improvements*	Estimated useful life or term of lease
Office and other equipment	2 to 20 years
Information technology equipment	1.5 to 5 years

* Leasehold improvements are amortized over the shorter of their estimated useful lives or the related lease term, rarely exceeding 10 years.