Earnings Per Common Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013
Earnings Per Share Reconciliation [Abstract]
Net income applicable to common stock	$ 3,138		$ 4,712
Convertible preferred stock dividends	0		1,095
Net income applicable to common stock for calculation of diluted earnings per share	$ 3,138		$ 5,807
Weighted average shares outstanding (in shares)	22,888,000	[1]	9,266,000	[1]
Restricted stock units (in shares)	304,000		361,000
Effect of stock options (in shares)	124,000		61,000
Stock units for deferred compensation plan for non-employee directors (in shares)	120,000		117,000
Effect of convertible preferred stock (in shares)	0		12,026,000
Weighted average shares outstanding for calculation of diluted earnings per share (in shares)	23,436,000		21,831,000
Net income per common share [Abstract]
Basic (in dollars per share)	$ 0.14	[1]	$ 0.51	[1]
Diluted (in dollars per share)	$ 0.13		$ 0.27
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive shares excluded from computation of diluted loss per share (in shares)	30,000		40,000
Warrant [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)			346,154

[1] Basic net income per common share includes weighted average common shares outstanding during the period and participating share awards.