Preferred Stock (Series A Preferred Stock) (Narrative) (Details) - Series A Preferred Stock [Member] - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended		6 Months Ended	12 Months Ended
	Apr. 15, 2016	Dec. 30, 2005	Jun. 30, 2016	Mar. 31, 2016	Jun. 30, 2016	Dec. 31, 2015
Class of Stock [Line Items]
Preferred stock, shares sold		1,521,258
Preferred stock, annual dividend rate		8.00%				8.00%
Preferred stock, shares outstanding	803,270					803,270
Preferred stock, liquidation preference per share			$ 10.00		$ 10.00
Preferred stock, fixed annual amount of dividend per share					0.80
Preferred stock, redemption price	$ 10.00		$ 10.00		$ 10.00
Dividends unpaid and accrued						$ 1,452
Dividends unpaid and accrued per share	$ 2.084940					$ 1.807
Change in value of preferred stock			$ 2,326		$ 2,326
Preferred stock mandatorily redeemable				$ 2,288
Change in net earnings available to common shareholders			$ 38		$ 874