|
Long Term Lease Obligations - Additional Information (Detail) (USD $)
|
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
|
| Leases Disclosure [Line Items] | |||
| Minimum rental obligations | $ 176,000 | $ 176,000 | $ 173,000 |
| Lease extension period | 5 years | ||
| Percentage of annual increase in base rent | 3.00% | ||
| Rent expense | 850,600 | 850,000 | 945,000 |
|
90-year Ground Leasehold Interest
|
|||
| Leases Disclosure [Line Items] | |||
| Ground leasehold interest period | 90 years | ||
| Minimum annual lease rent over lease term | 1 | ||
|
99-year Ground Lease
|
|||
| Leases Disclosure [Line Items] | |||
| Ground leasehold interest period | 99 years | ||
| Minimum annual lease rent over lease term | $ 1 | ||
| Percent of underlying land held under a 99-year ground lease | 3.40% | ||
|
Flagship Center
|
|||
| Leases Disclosure [Line Items] | |||
| Number of developed parcels | 2 | ||
|
Minimum
|
|||
| Leases Disclosure [Line Items] | |||
| Lease expiration year | 2058 | ||
|
Maximum
|
|||
| Leases Disclosure [Line Items] | |||
| Lease expiration year | 2068 | ||