Investments Investments Table (Details) (USD $)	6 Months Ended
Jun. 30, 2014	Dec. 31, 2013
Schedule of Cost and Equity Method Investments [Line Items]
Equity Method Investments	$ 1,322,000	$ 1,690,000
Investments, cost and equity method	16,414,000	17,478,000
Available-for-Sale Securities	7,174,000	3,174,000
Available-for-Sale Securities, Ownership Percentage		19.00%
Investments	23,588,000	20,652,000
Payments to Acquire Available-for-sale Securities	4,600,000
Debt Securities [Member]
Schedule of Cost and Equity Method Investments [Line Items]
Available-for-Sale Securities	2,630,000	3,174,000
Redeemable Preferred Stock [Member]
Schedule of Cost and Equity Method Investments [Line Items]
Available-for-Sale Securities	4,544,000	0
Cost-method Investments [Member] \| Cost-method Investments [Member]
Schedule of Cost and Equity Method Investments [Line Items]
Cost Method Investments	$ 15,092,000	$ 15,788,000
Maximum [Member]
Schedule of Cost and Equity Method Investments [Line Items]
Equity Method Investments, Ownership Percentage	50.00%	50.00%
Available-for-Sale Securities, Ownership Percentage	23.00%
Maximum [Member] \| Cost-method Investments [Member]
Schedule of Cost and Equity Method Investments [Line Items]
Cost Method Investments, Ownership Percentage	19.00%	19.00%
Minimum [Member]
Schedule of Cost and Equity Method Investments [Line Items]
Equity Method Investments, Ownership Percentage	21.00%	21.00%
Available-for-Sale Securities, Ownership Percentage	19.00%
Minimum [Member] \| Cost-method Investments [Member]
Schedule of Cost and Equity Method Investments [Line Items]
Cost Method Investments, Ownership Percentage	6.00%	6.00%

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Cost Method Ownership Percentage - The Company's aggregate percent ownership of cost method investment.

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Investments, cost and equity method

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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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Amount, after adjustment, of cost-method investment. Adjustments include, but are not limited to, dividends received in excess of earnings after date of investment that are considered a return of investment and other than temporary impairments.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Sum of the carrying amounts as of the balance sheet date of all investments.

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The cash outflow to acquire debt and equity securities not classified as either held-to-maturity securities or trading securities which would be classified as available-for-sale securities and reported at fair value, with unrealized gains and losses excluded from earnings and reported in a separate component of shareholders' equity.

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