XML 34 R22.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Statements of Cash Flow (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2017
Supplemental Cash Flow Information [Abstract] |
Schedule of Cash Flow, Supplemental Disclosures |
|  | Nine Months ended September 30,
($ in thousands) |  | 2017 |  | 2016
Cash paid during the period for: |  |  |  |  |  |
Interest |  | $ | 15,356 |  |  | 13,874 |
Federal income tax |  | 39,000 |  |  | 36,405 |
Non-cash items: |  |  |  |
Exchange of fixed income securities, AFS |  | 6,192 |  |  | 21,775 |
Corporate actions related to equity securities, AFS 1 |  | 4,725 |  |  | 3,032 |
Assets acquired under capital lease arrangements |  | 278 |  |  | 3,108 |
Non-cash purchase of property and equipment |  | — |  |  | 648 |
1 Examples of such corporate actions include non-cash acquisitions and stock splits.

X
- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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