Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2020

Accounting Policies [Abstract]

Property, Plant and Equipment, Useful Lives

Depreciation or amortization is computed on a straight-line basis over the lesser of the estimated useful lives of the asset or the respective lease term (including renewal options reasonably certain to be exercised) for leasehold improvements generally as follows:

Bank premises, land improvements, and leasehold improvements	10 to 39 years
Computer software and equipment	3 to 5 years
Furniture, fixtures, and equipment	3 to 10 years