Estimated Useful Lives of Properties and Equipment (Detail)	12 Months Ended
	Dec. 31, 2013
Building and Building Improvements | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life	10 years
Building and Building Improvements | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life	40 years
Furniture and Fixtures | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life	3 years
Furniture and Fixtures | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life	10 years
Leasehold Improvements
Property, Plant and Equipment [Line Items]
Leasehold improvements	over the shorter of the term of the lease or the life of the asset