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Organization and Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2020
Accounting Policies [Abstract]  
Schedule of Estimated Useful Life of Assets Used to Compute Depreciation Using the Straight-line Method Depreciation expense has been calculated using the following estimated useful lives:

 

Buildings and other improvements

 

10-20 years

Leasehold improvements

 

15 years

Office furniture and equipment

 

7 years

Assets under capital lease

 

4-20 years

Computer equipment and software

 

3-5 years

Vehicles

 

3-6 years