Debt (Detail Textuals)	Sep. 30, 2012
Fixed term note payable 6.65% due January 1, 2016
Debt Instrument [Line Items]
Interest rate on note payable	6.65%
Fixed term note payable 5.24% due April 1, 2013
Debt Instrument [Line Items]
Interest rate on note payable	5.24%
Fixed term note payable 7.8% due July 1, 2029
Debt Instrument [Line Items]
Interest rate on note payable	7.80%
Fixed term note payable 4.6% due January 31, 2030
Debt Instrument [Line Items]
Interest rate on note payable	4.60%
Fixed term note payable 4.05% due July 31, 2015
Debt Instrument [Line Items]
Interest rate on note payable	4.05%
Fixed term note payable 4.25% due July 5, 2014
Debt Instrument [Line Items]
Interest rate on note payable	4.25%
Fixed term note payable 5.2% due March 1, 2015
Debt Instrument [Line Items]
Interest rate on note payable	5.20%