SCHEDULE I - Parent Company Information - Condensed Balance Sheets (Parenthetical) (Details) - $ / shares	Dec. 31, 2015	Dec. 31, 2014
Condensed Balance Sheets
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	20,000,000	20,000,000
Common stock, shares issued	7,548,395	8,346,304
Common stock, shares outstanding	7,548,395	8,346,304
Parent Company
Condensed Balance Sheets
Common stock, shares authorized	20,000,000	20,000,000
Common stock, shares issued	7,548,395	8,346,304
Common stock, shares outstanding	7,548,395	8,346,304