Quarterly report pursuant to Section 13 or 15(d)

Consolidated Balance Sheets (Parenthetical)

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Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Jun. 30, 2013
Dec. 31, 2012
LIABILITIES AND STOCKHOLDERS' EQUITY    
Accumulated amortization of deferred credit $ 19,415 $ 17,800
Stockholders' equity:    
Preferred stock, par value $ 0.01 $ 0.01
Preferred stock, liquidation preference per share $ 50.00 $ 50.00
Preferred stock, shares authorized 2,500,000 2,500,000
Preferred stock, shares issued 1,578,948 0
Preferred Stock, Shares Outstanding 1,578,948 0
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 60,000,000 60,000,000
Common stock, shares outstanding 40,276,738 39,800,548