Earnings Per Common Share (EPS) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Earnings Per Share, Basic and Diluted [Abstract]
Net Income. Basic EPS	$ 3,752	$ 6,095	$ 4,423	$ 11,843
Shares, Basic EPS	42,562	42,048	42,541	42,028
Per Share Amount, Basic EPS	$ 0.09	$ 0.14	$ 0.10	$ 0.28
Shares, Effect of dilutive stock options and warrants	108	421	212	429
Net Income, Diluted EPS	$ 3,752	$ 6,095	$ 4,423	$ 11,843
Shares, Diluted EPS	42,670	42,469	42,753	42,457
Per Share Amount, Diluted EPS	$ 0.09	$ 0.14	$ 0.10	$ 0.28
Stock options excluded from the calculation of common stock equivalents as the impact was anti-dilutive	2,821	1,658	2,258	1,641