XML 48 R40.htm IDEA: XBRL DOCUMENT v3.19.1
Ownership, Nature of Business (Details)
Mar. 31, 2019
store
state
Dec. 31, 2018
item
Nature of business    
Number of retail locations owned and operated 471 471
Number of states in which stores are operated 12 12
Number of states in which the Company had an internet presence 29 29