Summary of Significant Accounting and Reporting Policies (Schedule of Amortized Cost, Unrealized Gains And Losses, And Market Value Of Investment Securities) (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Cost	$ 77,055,612	$ 179,388,001
Gross Unrealized Gains	29,998,513	23,937,617
Gross Unrealized Losses	(48,603)	(688,728)
Market Value	107,005,522	202,636,890
Certificate of Deposit
Schedule of Available-for-sale Securities [Line Items]
Cost		510,881
Gross Unrealized Gains		0
Gross Unrealized Losses		0
Market Value		510,881
Government Securities
Schedule of Available-for-sale Securities [Line Items]
Cost		38,514,411
Gross Unrealized Gains		9,004
Gross Unrealized Losses		(944)
Market Value		38,522,471
U.S. Treasury Notes
Schedule of Available-for-sale Securities [Line Items]
Cost		15,018,810
Gross Unrealized Gains		2,602
Gross Unrealized Losses		(1,062)
Market Value		15,020,350
Corporate Bonds
Schedule of Available-for-sale Securities [Line Items]
Cost		6,529,758
Gross Unrealized Gains		33,470
Gross Unrealized Losses		0
Market Value		6,563,228
Other
Schedule of Available-for-sale Securities [Line Items]
Cost		185,926
Gross Unrealized Gains		0
Gross Unrealized Losses		0
Market Value		185,926
Corporate Bonds
Schedule of Available-for-sale Securities [Line Items]
Cost		2,174,948
Gross Unrealized Gains		5,832
Gross Unrealized Losses		0
Market Value		2,180,780
Common Stocks
Schedule of Available-for-sale Securities [Line Items]
Cost	22,799,035	40,893,121
Gross Unrealized Gains	10,532,007	12,781,501
Gross Unrealized Losses	(48,603)	(391,421)
Market Value	33,282,439	53,283,201
Mutual Funds – Equity
Schedule of Available-for-sale Securities [Line Items]
Cost	54,256,577	75,321,640
Gross Unrealized Gains	19,466,506	11,082,714
Gross Unrealized Losses	0	(295,301)
Market Value	73,723,083	86,109,053
Other – Equity
Schedule of Available-for-sale Securities [Line Items]
Cost		238,506
Gross Unrealized Gains		22,494
Gross Unrealized Losses		0
Market Value		$ 261,000