Stockholders' Equity and Earnings Per Share (Weighted Average Number of Shares Outstanding Reconciliation) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Equity [Abstract]
Basic weighted average shares outstanding									8,105	8,384	8,383
Dilutive effect of restricted stock awards									19	30	25
Diluted weighted average shares outstanding									8,124	8,414	8,408
Continuing operations (in dollars per share)					$ 2.82	$ 1.24	$ 0.42	$ 0.57	$ 5.48	$ 5.04	$ 9.49
Discontinued operations (in dollars per share)					$ 0.00	$ 3.29	$ 2.18	$ 2.44	$ 0.00	$ 7.93	$ 9.85
Basic Earnings per Share (in dollars per share)	$ 2.86	$ 1.54	$ 0.63	$ 0.53	$ 2.82	$ 4.53	$ 2.60	$ 3.01	$ 5.48	$ 12.97	$ 19.34
Continuing operations (in dollars per share)					$ 2.80	$ 1.23	$ 0.42	$ 0.57	$ 5.47	$ 5.02	$ 9.46
Discontinued operations (in dollars per share)					$ 0.00	$ 3.29	$ 2.18	$ 2.43	$ 0.00	$ 7.90	$ 9.82
Diluted Earnings per Share (in dollars per share)	$ 2.85	$ 1.54	$ 0.63	$ 0.53	$ 2.80	$ 4.52	$ 2.60	$ 3.00	$ 5.47	$ 12.92	$ 19.28