v2.4.0.6

Notes Payable (NAB Australian Corporate Term Loan) (Narrative) (Details) | 0 Months Ended |  | 12 Months Ended |  | 1 Months Ended |  | 0 Months Ended |  | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 24, 2011 BOSI Australia Corporate Credit Facility [Member] USD ($) | Jun. 24, 2011 BOSI Australia Corporate Credit Facility [Member] AUD | Dec. 31, 2010 BOSI Australia Corporate Credit Facility [Member] USD ($) | Dec. 31, 2010 BOSI Australia Corporate Credit Facility [Member] AUD | Dec. 31, 2012 NAB Australian Corporate Credit Facility [Member] USD ($) | Dec. 31, 2012 NAB Australian Corporate Credit Facility [Member] AUD | Jun. 24, 2011 NAB Australian Corporate Credit Facility [Member] USD ($) | Jun. 24, 2011 NAB Australian Corporate Credit Facility [Member] AUD | Dec. 31, 2012 NAB Australian Corporate Term Loan [Member] USD ($) | Dec. 31, 2012 NAB Australian Corporate Term Loan [Member] AUD | Jun. 24, 2011 NAB Australian Corporate Term Loan [Member] USD ($) | Jun. 24, 2011 NAB Australian Corporate Term Loan [Member] AUD | Jun. 24, 2011 NAB Australian Corporate Line Of Credit [Member] USD ($) | Jun. 24, 2011 NAB Australian Corporate Line Of Credit [Member] AUD | Aug. 02, 2011 NAB Australian Corporate Revolver [Member] USD ($) | Aug. 02, 2011 NAB Australian Corporate Revolver [Member] AUD | Dec. 31, 2012 NAB Australian Corporate Revolver [Member] USD ($) | Dec. 31, 2012 NAB Australian Corporate Revolver [Member] AUD | Dec. 31, 2012 NAB Guarantee Facility [Member] USD ($) | Dec. 31, 2012 NAB Guarantee Facility [Member] AUD | Dec. 31, 2012 Minimum [Member] NAB Australian Corporate Credit Facility [Member] USD ($) | Dec. 31, 2012 Minimum [Member] NAB Australian Corporate Credit Facility [Member] AUD | Dec. 31, 2012 Maximum [Member] NAB Australian Corporate Credit Facility [Member] USD ($) | Dec. 31, 2012 Maximum [Member] NAB Australian Corporate Credit Facility [Member] AUD
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 115,800,000 | 110,000,000 |  |  |  |  | $ 110,500,000 | 105,000,000 |  |  | $ 94,700,000 | 90,000,000 | $ 9,500,000 | 9,000,000 |  |  | $ 10,400,000 | 10,000,000 | $ 5,200,000 | 5,000,000 |  |  |  |
Repayment of debt | 1,600,000 | 1,500,000 |  |  |  |  |  |  | 6,300,000 | 6,000,000 |  |  |  |  | 9,700,000 | 9,000,000 |  |  |  |  |  |  |  |
Line of credit facility, amount outstanding | 105,800,000 | 100,500,000 | 101,700,000 | 100,500,000 |  |  |  |  | 75,300,000 | 72,500,000 |  |  |  |  | 0 |  |  |  |  |  |  |  |  |
Line of credit facility, term |  |  |  |  | 3 years | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Spread on variable interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.15% | 2.15% | 2.90% | 2.90%
Annual principal payment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7,300,000 | 7,000,000 | 9,400,000 | 9,000,000
Line of credit facility, maximum amount transferable outside of Australia |  |  |  |  | $ 4,200,000 | 4,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swap term |  |  |  |  | 5 years | 5 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of variable interest debt converted to fixed rate |  |  |  |  | 100.00% | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Swap contract rate |  |  |  |  | 5.50% | 5.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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