Stockholders' Equity Stockholders' Equity - Narrative (Details) (USD $)	0 Months Ended															3 Months Ended		6 Months Ended				6 Months Ended	0 Months Ended
	May 23, 2014	May 01, 2014	Mar. 21, 2014	Mar. 18, 2014	Mar. 05, 2014	Feb. 24, 2014	Dec. 13, 2013	Nov. 05, 2013	Sep. 13, 2013	Aug. 06, 2013	Jun. 14, 2013	May 07, 2013	Mar. 27, 2013	Mar. 06, 2013	Jan. 11, 2013	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013	Jun. 30, 2014 Blank Check Preferred Stock [Member]	Jun. 30, 2014 Restricted Stock [Member]	Mar. 21, 2014 Chief Legal Officer [Member] Restricted Stock [Member]	Oct. 02, 2013 Vice President, Marketing [Member] Restricted Stock [Member]	Sep. 13, 2013 Chief Information Officer [Member] Restricted Stock [Member]	Sep. 13, 2013 Vice President, Operations and Business Development [Member] Restricted Stock [Member]
Class of Stock [Line Items]
Preferred Stock, Shares Authorized																1,000,000		1,000,000		1,000,000	875,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period																						38,156	1,270	2,299	2,167	2,110
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures				36,886														38,156	3,900
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition				3 years
Stock Issued During Period, Shares, New Issues					4,600,000										750,000
Proceeds from Issuance of Common Stock					$ 54,041,000										$ 3,591,000			$ 54,041,000	$ 3,591,000
Common Stock, Dividends, Per Share, Declared		$ 0.04				$ 0.04		$ 0.03		$ 0.03		$ 0.03		$ 0.03		$ 0.04	$ 0.03	$ 0.08	$ 0.06
Dividends, Common Stock, Cash	$ 834,000		$ 832,000				$ 486,000		$ 486,000		$ 486,000		$ 486,000