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Commitment (Summary of minimum future lease arrangement cash receitps) (Details) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2012
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| Operating Leases, Future Minimum Payments Receivable [Abstract] | |
| 2013 | $ 11,322 |
| 2014 | 6,325 |
| 2015 | 5,094 |
| 2016 | 4,969 |
| 2017 | 4,949 |
| 2018 and thereafter | 27,064 |
| Total minimum future service revenues | $ 59,723 |
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- Definition
Future minimum rental payments in aggregate as of the balance sheet date under operating leases. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Future rental payments receivable within one year of the balance sheet date under an operating lease. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Future rental payments receivable within the fifth year from the balance sheet date under an operating lease. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Future rental payments receivable within the fourth year from the balance sheet date under an operating lease. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Future rental payments receivable within the third year from the balance sheet date under an operating lease. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Future rental payments receivable within the second year from the balance sheet date under an operating lease. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Future minimum lease payments receivable under operating leases for periods greater than five years following the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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