XML 19 R8.htm IDEA: XBRL DOCUMENT v3.7.0.1
CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) - $ / shares
Mar. 31, 2017
Dec. 31, 2016
Capitalization    
Common stock, shares authorized (in shares) 1,000,000 1,000,000
Common stock, par value (in dollars per share) $ 100 $ 100
Common stock, shares outstanding (in shares) 933,000 933,000