Statement of Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2018

Accounting Policies [Abstract]

Premises and Equipment and Long Lived Assets [Table Text Block]

Land is carried at cost. Premises and equipment are carried at cost less accumulated depreciation and amortization computed principally by the straight-line method over the following estimated useful lives:

Buildings and improvements	20 to 50 years
Furniture, fixtures and equipment	3 to 15 years