XML 26 R15.htm IDEA: XBRL DOCUMENT v3.19.1
4. Land Inventory (Tables)
3 Months Ended
Mar. 31, 2019
Inventory Disclosure [Abstract]  
Land and improvement inventories

    March 31,     December 31,  
    2019     2018  
    ($ in thousands)  
Fully improved land   $ 14     $ 14