Annual report pursuant to Section 13 and 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Shareholders' Equity (Capital Stock) (Details)

v2.4.1.9

Shareholders' Equity (Capital Stock) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended		0 Months Ended		3 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	May 31, 2013	May 24, 2013	Mar. 12, 2015	Nov. 21, 2014	Jun. 25, 2014	Jun. 24, 2014	Jun. 24, 2013	May 21, 2013
Class of Stock [Line Items]
Preferred stock, shares authorized	25,000,000us-gaap_PreferredStockSharesAuthorized	25,000,000us-gaap_PreferredStockSharesAuthorized
Common stock, shares authorized	800,000,000us-gaap_CommonStockSharesAuthorized	600,000,000us-gaap_CommonStockSharesAuthorized					800,000,000us-gaap_CommonStockSharesAuthorized	600,000,000us-gaap_CommonStockSharesAuthorized
Preferred stock, par value	$ 0.0001	$ 0.0001
Monthly dividends per share	$ 0.17	$ 0.17
At the market preferred stock, shares authorized						9,000,000
Series A Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares authorized	14,290,000	8,290,000
Preferred stock, shares outstanding, designated	6,000,000								3,000,000	5,290,000
Preferred stock, par value	$ 0.0001	$ 0.0001								$ 0.0001
Preferred stock, dividend rate	8.00%	8.00%		8.00%
Preferred stock, liquidation preference				$ 25.00					$ 25.00
Redemption period				120 days
Preferred stock, liquidation preference per month				$ 2.00
Preferred stock, shares issued	11,096,231	6,189,497
Preferred stock issued during period				4,600,000
Additional paid in capital				$ 115,000
Additional new shares issues			690,000
Additional proceeds from public offering			17,250
Proceeds from Issuance of public offering			132,250
Offering expenses	2,531	411	5,972
At the market shares sold	4,906,734	899,497
Proceeds from at the market preferred stock	111,148	22,062
Dividends paid	17,244	6,911
Series A Preferred Stock \| Subsequent event
Class of Stock [Line Items]
At the market shares sold					2,601,898
Proceeds from at the market preferred stock					61,241
Series A Preferred Stock \| Employee brokerage commission expenses
Class of Stock [Line Items]
Offering expenses			$ 2,603

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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