Annual report pursuant to Section 13 and 15(d)

Summarized Quarterly Financial Information (unaudited) (Details)

v2.4.0.8
Summarized Quarterly Financial Information (unaudited) (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
Quarterly Financial Information Disclosure [Abstract]                      
Total revenues $ 26,471 $ 30,797 $ 22,760 $ 22,541 $ 28,677 $ 27,402 $ 25,360 $ 29,294 $ 102,569 $ 110,733 $ 127,644
Income from operations 2,464 6,345 957 898 2,652 2,563 2,759 2,716 10,664 10,690 39,622
Net income (loss) 3,264 1,082 758 (800)         4,304 2,747 106,396
Income (loss) available to common shares $ 1,291 $ (892) $ 78 $ (800) $ (435) $ (1,105) $ 3,799 $ 488 $ (323) $ 2,747 $ 106,396
Income (loss) per common share - basic $ 0.03 $ (0.02) $ 0.00 $ (0.02) $ (0.01) $ (0.03) $ 0.10 $ 0.01 $ (0.01) $ 0.07 $ 2.81
Income (loss) per common share - diluted $ 0.03 $ (0.02) $ 0.00 $ (0.02) $ (0.01) $ (0.03) $ 0.09 $ 0.01 $ (0.01) $ 0.07 $ 2.76