Summary of Significant Accounting Policies (Details) - Average Estimated Useful Lives of Property, Plant and Equipment	12 Months Ended
	Dec. 31, 2016
Buildings [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Depreciable life	30 years
Buildings [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Depreciable life	50 years
Leasehold improvements [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Depreciable life	20 years
Leasehold improvements [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Depreciable life	30 years
Furniture and equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Depreciable life	7 years
Furniture and equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Depreciable life	20 years
Automobiles [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Depreciable life	5 years
Automobiles [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Depreciable life	7 years
Computer hardware and software [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Depreciable life	3 years
Computer hardware and software [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Depreciable life	5 years