Investments - Narrative (Details) (USD $)	Sep. 30, 2014		Dec. 31, 2013
Schedule of Available-for-sale Securities [Line Items]
Fair Value	$ 34,768,000		$ 9,055,000
Cost Basis	34,851,000	[1]	9,070,000	[1]
Short Term Bond Mutual Funds [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value	23,917,000		7,985,000
Cost Basis	24,000,000	[1]	8,000,000
Certificates of Deposit [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value	1,101,000		1,070,000
Cost Basis	1,101,000	[1]	1,070,000	[1]
Other Investment [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value	9,750,000		0
Cost Basis	9,750,000	[1]	0	[1]
Mutual Funds [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value	900,000		1,000,000
Investments [Member]
Schedule of Available-for-sale Securities [Line Items]
Loans and Leases Receivable, Gross, Consumer, Revolving, Other	6,000,000
Line of Credit Facility, Interest Rate at Period End	10.00%
Short-term Non-bank Loans and Notes Payable	$ 3,000,000.00

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