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Related Party Transactions (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Related Party Transaction [Line Items] |  |  |
Range of possible loss, maximum | $ 18,000,000 |  |
Vorando Realty Trust [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Rent revenue recognized | 255,000 | $ 255,000 | $ 744,000
Rent expense for corporate headquarters | 1,323,000 | $ 1,252,000 | $ 1,225,000
Affiliated Entity [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Expenses from transactions with related party | $ 7,000 |  |

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- Definition Revenue Recognized, Rent + References No definition available. + Details
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Balance Type: | credit
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- Definition The estimated maximum amount of possible loss from the contingency. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349 + Details
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- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717 + Details
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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