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Equity (Narrative) (Details) $ / shares in Units, $ in Thousands				3 Months Ended		9 Months Ended
	Aug. 29, 2018 USD ($) $ / shares shares	May 25, 2018 USD ($) $ / shares shares	Sep. 01, 2017 USD ($) $ / shares shares	Sep. 30, 2018 USD ($) $ / shares shares	Sep. 30, 2017 USD ($) shares	Sep. 30, 2018 USD ($) $ / shares shares	Sep. 30, 2017 USD ($) shares	Mar. 31, 2018 USD ($)	Dec. 31, 2017 $ / shares shares
Permanent Equity [Line Items]
Reverse stock split			10
Common Stock, par value | $ / shares			$ 0.01	$ 0.01		$ 0.01			$ 0.01
Common Stock, pre split par value | $ / shares			$ 0.001
Fractional shares issued | shares			0
Cash payment in lieu of shares			$ 4
Common Stock, shares outstanding | shares			1,262,584	1,221,520		1,221,520			1,213,022
Unvested restricted stock issued | shares			81,098
Ratio of Common Stock to membership units						0.1
Purchase of common stock, shares | shares	17,555	2,774					5,720
Shares repurchased, price per share | $ / shares	$ 10	$ 12
Treasury Stock, Value, Acquired, Par Value Method	$ 176	$ 33
Series E Preferred Stock [Member]
Permanent Equity [Line Items]
Preferred Stock, shares outstanding | shares				4,983,557		4,983,557			4,983,557
Ratio of shares to vote for vice chairman						10
10b5-1 Plan [Member]
Permanent Equity [Line Items]
Repurchase amount authorized								$ 2,000
Purchase of common stock, shares | shares				10,390	5,440	40,202	5,720
Treasury Stock, Value, Acquired, Par Value Method				$ 105	$ 63	$ 425	$ 66
Accumulated Other Comprehensive Income (Loss) [Member]
Permanent Equity [Line Items]
Redemption of non-controlling interest, net						14	(14)
Additional paid-in capital [Member]
Permanent Equity [Line Items]
Redemption of non-controlling interest, net						(139)	153
Non-controlling Interest [Member]
Permanent Equity [Line Items]
Redemption of non-controlling interest, net						$ 125	$ (139)

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