Fair Value (Tables)

9 Months Ended

Sep. 30, 2012

Fair Value [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

	September 30, 2012		Level 1		Level 2		Level 3
Available-for-sale securities	$	35,419	$	35,419	$	-	$	-
Trading securities		36,235		36,235		-		-
Total assets	$	71,654	$	71,654	$	-	$	-
Fair value of interest rate swap agreements	$	209,210	$	-	$	209,210	$	-
Total liabilities	$	209,210	$	-	$	209,210	$	-
	December 31, 2011		Level 1		Level 2		Level 3
Available-for-sale securities	$	31,582	$	31,582	$	-	$	-
Trading securities		30,486		30,486		-		-
Total assets	$	62,068	$	62,068	$	-	$	-
Fair value of interest rate swap agreements	$	254,228	$	-	$	254,228	$	-
Total liabilities	$	254,228	$	-	$	254,228	$	-