Investments (Available-For-Sale Investments Outstanding) (Details) (USD $)	9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013
Schedule of Available-for-sale Securities [Line Items]
Cost basis	$ 18,276,000	$ 17,910,000
Gross Unrealized Gains	1,075,000	898,000
Gross Unrealized Losses	96,000	62,000
Fair Value	19,255,000	18,746,000
Proceeds from the sale of available-for-sale securities	3,700,000
Available for sale securities, realized loss	100,000
Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Cost basis	3,706,000	3,647,000
Gross Unrealized Gains	378,000	361,000
Gross Unrealized Losses	87,000	41,000
Fair Value	3,997,000	3,967,000
Mutual Funds [Member]
Schedule of Available-for-sale Securities [Line Items]
Cost basis	10,086,000	11,339,000
Gross Unrealized Gains	434,000	320,000
Gross Unrealized Losses	3,000	20,000
Fair Value	10,517,000	11,639,000
Exchange Traded Funds [Member]
Schedule of Available-for-sale Securities [Line Items]
Cost basis	4,484,000	2,924,000
Gross Unrealized Gains	263,000	217,000
Gross Unrealized Losses	6,000	1,000
Fair Value	$ 4,741,000	$ 3,140,000