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Commitments and Contingencies - Future Minimum Rental Payments Due under Terms of Leases (Detail) (USD $)
In Thousands, unless otherwise specified |
6 Months Ended |
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Jun. 30, 2013
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| Operating Leased Assets [Line Items] | |
| 2013 | $ 27,152 |
| 2014 | 54,022 |
| 2015 | 52,560 |
| 2016 | 49,330 |
| 2017 | 47,279 |
| 2018 | 45,230 |
| Thereafter | 255,699 |
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Ground Leases [Member]
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| Operating Leased Assets [Line Items] | |
| 2013 | 206 |
| 2014 | 413 |
| 2015 | 413 |
| 2016 | 413 |
| 2017 | 416 |
| 2018 | 417 |
| Thereafter | 4,916 |
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Ground Leases [Member] | Tulsa, OK [Member]
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| Operating Leased Assets [Line Items] | |
| Lease End Date | 2021-04 |
| 2013 | 76 |
| 2014 | 153 |
| 2015 | 153 |
| 2016 | 153 |
| 2017 | 153 |
| 2018 | 153 |
| Thereafter | 381 |
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Ground Leases [Member] | Dartmouth, MA [Member]
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| Operating Leased Assets [Line Items] | |
| Lease End Date | 2036-05 |
| 2013 | 87 |
| 2014 | 174 |
| 2015 | 174 |
| 2016 | 174 |
| 2017 | 174 |
| 2018 | 174 |
| Thereafter | 3,472 |
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Ground Leases [Member] | Springfield, MA [Member]
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| Operating Leased Assets [Line Items] | |
| Lease End Date | 2030-02 |
| 2013 | 43 |
| 2014 | 86 |
| 2015 | 86 |
| 2016 | 86 |
| 2017 | 89 |
| 2018 | 90 |
| Thereafter | $ 1,063 |
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- Definition
Lease end date. No definition available.
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- Details
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- Definition
Amount of required minimum rental payments maturing in the next fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of required minimum rental payments maturing in the fifth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of required minimum rental payments maturing in the forth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of required minimum rental payments maturing in the third fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of required minimum rental payments maturing in the second fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of required minimum rental payments maturing after the fifth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of required minimum rental payments maturing in the remainder of the fiscal year following the latest fiscal year ended for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year. No definition available.
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