XML 28 R17.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Deferred Policy Acquisition Costs | 3 Months Ended
--- | ---
Mar. 31, 2017
Insurance [Abstract] |
Deferred Policy Acquisition Costs | Deferred Policy Acquisition Costs The following table represents a reconciliation of beginning and ending deferred policy acquisition costs for the three months ended March 31, 2017 and 2016:
|  | Three Months Ended March 31,
|  | 2017 |  | 2016
| ($ in millions)
Balance at the beginning of the period | $ | 358.4 |  |  | $ | 361.1 |
| Acquisition costs deferred | 122.8 |  |  | 176.8 |
| Amortization of deferred policy acquisition costs | (113.7 | ) |  | (130.2 | )
Balance at the end of the period | $ | 367.5 |  |  | $ | 407.7 |

X
- Definition The entire disclosure for deferred policy acquisition costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35755530&loc=d3e11264-158415 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 30 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6481813&loc=d3e11407-158417 + Details
Name: | us-gaap_DeferredPolicyAcquisitionCostsTextBlock1
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_InsuranceAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration