Stockholders' Equity (Details) - USD ($)			12 Months Ended
	Nov. 18, 2016	Aug. 19, 2016	Dec. 31, 2016	Dec. 31, 2015	Jul. 31, 2012
Stockholders' Equity (Details) [Line Items]
Stock Repurchased During Period, Value (in Dollars)			$ 15,000	$ 13,000
Common Stock, Dividends, Per Share, Declared (in Dollars per share)	$ 0.25	$ 1.25	$ 1.50
Dividends Payable (in Dollars)			$ 354,000
Employee Stock Option [Member]
Stockholders' Equity (Details) [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount			1,100,000	1,200,000
Restricted Stock [Member]
Stockholders' Equity (Details) [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount			544,000	51,000
Stock Repurchased During Period, Shares			6,862	4,622
Stock Repurchased During Period, Value (in Dollars)			$ 15,000	$ 13,000
Preferred Stock [Member]
Stockholders' Equity (Details) [Line Items]
Excess Stock, Shares Authorized			1,000,000
Common Stock [Member]
Stockholders' Equity (Details) [Line Items]
Stock Repurchased During Period, Shares			(7,000)	(4,000)
Privately Negotiated Transaction [Member] | Common Stock [Member]
Stockholders' Equity (Details) [Line Items]
Stock Repurchased During Period, Shares			400,000
Stock Repurchased During Period, Value (in Dollars)			$ 1,000,000
Stock Repurchase Program, Authorized Amount (in Dollars)					$ 5,000,000
Stock Repurchase Program, Remaining Authorized Repurchase Amount (in Dollars)			$ 3,000,000
Minimum [Member]
Stockholders' Equity (Details) [Line Items]
Equity Method Investment, Ownership Percentage			4.90%