Earnings Per Share Schedule of Earnings Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income	$ 9,590	$ 4,509	$ 20,979	$ 8,860
Weighted Average Number of Shares Outstanding, Basic	20,735,135	16,115,099	19,105,666	16,072,047
Weighted Average Number Diluted Shares Outstanding Adjustment	110,559	84,390	98,139	85,682
Weighted Average Number of Shares Outstanding, Diluted	20,845,694	16,199,489	19,203,805	16,157,729
Earnings Per Share, Basic	$ 0.46	$ 0.28	$ 1.10	$ 0.55
Earnings Per Share, Diluted	$ 0.46	$ 0.28	$ 1.09	$ 0.55