Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies (Estimated Useful Lives Of Assets) (Details)

v3.19.1
Significant Accounting Policies (Estimated Useful Lives Of Assets) (Details)
3 Months Ended
Mar. 31, 2019
Minimum [Member] | Buildings And Improvements [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives of assets 5 years
Minimum [Member] | Furniture, Fixtures And Equipment [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives of assets 5 years
Maximum [Member] | Buildings And Improvements [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives of assets 40 years
Maximum [Member] | Furniture, Fixtures And Equipment [Member]  
Property, Plant and Equipment [Line Items]  
Estimated useful lives of assets 10 years