Accounting Policies - Earnings Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015		Mar. 31, 2014
Accounting Policies [Abstract]
Net income attributable to common stockholders (Basic)	$ 1,818		$ 813
Net income attributable to common stockholders (Dilutive)	$ 1,818		$ 813
Earnings Per Share, Basic [Abstract]
Stock options, SARs and restricted stock	393	[1]	459	[1]
Stock options, SARs and restricted stock (in usd per share)	$ (0.01)	[1]	$ 0.00	[1]
Weighted Average Number of Shares Outstanding, Basic	10,938		10,887
Basic earnings per common share	$ 0.17		$ 0.07
Weighted Average Number of Shares Outstanding, Diluted	11,331		11,346
Diluted earnings per common share	$ 0.16		$ 0.07

[1] For the three months ended March 31, 2015 and 2014, stock options and SARs of 201,401 and 32,983, respectively, were outstanding but not included in the computation of diluted earnings per share of common stock because they were anti-dilutive. For the three months ended March 31, 2015 and 2014, contingent shares of non-vested restricted stock of 30,514 and 31,594, respectively, were outstanding but not included in the computation of diluted earnings per share of common stock because performance conditions have not yet been met.