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Commitments and Contingencies (Narrative) (Details) |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Mar. 02, 2015 USD ($) | Dec. 08, 2014 USD ($) | Apr. 30, 2010 instance_of_noncompliance | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($)
Loss Contingencies [Line Items] |  |  |  |  |  |
Deferred rent |  |  |  | $ 3,600,000 | $ 4,400,000 |
Total rent expense |  |  |  | 16,000,000 | 14,600,000 | $ 19,300,000
Exposure to earthquake loss |  |  |  | $ 64,300,000 |  |
Number of instances of non-compliance issued from regulatory body | instance_of_noncompliance |  |  | 35 |  |  |
Litigation Settlement, Expense |  | $ 27,593,550 |  |  |  |
Settlement of fine and penalty levied by California DOI |  |  |  |  | $ 27,593,550 |
California Department of Insurance [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Settlement of fine and penalty levied by California DOI | $ 1,000,000 |  |  |  |  |

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- Definition The cumulative difference between the rental payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense over the term of the leased property by the lessor or lessee, respectively. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7501430&loc=d3e39896-112707 + Details
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