Schedule of Stock by Class (Details) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Common shares, $0.01 par value (in shares)	28,167,248	28,945,228
Common shares, $0.01 par value	$ 282	$ 290
Class N preferred shares, $10.00 par value	6	6
Class N preferred shares, $10.00 par value (in shares)	579	592
Preferred Class N [Member]
Class N preferred shares, $10.00 par value	$ 579	$ 592