Segment Reporting (Narrative) (Details) |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
|
Jun. 30, 2018
USD ($)
|
Jun. 30, 2017
USD ($)
|
Jun. 30, 2018
USD ($)
segment
|
Jun. 30, 2017
USD ($)
|
Dec. 31, 2017
USD ($)
|
|
| Segment Reporting Information [Line Items] | |||||
| Number of business segments | segment | 2 | ||||
| Total revenues | $ 126,589,000 | $ 162,766,000 | $ 265,556,000 | $ 312,653,000 | |
| Foreign Locations [Member] | |||||
| Segment Reporting Information [Line Items] | |||||
| Total revenues | 0 | $ 0 | |||
| Long lived assets | $ 0 | $ 0 | $ 0 | ||
| X | ||||||||||
- Definition Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. No definition available.
|
| X | ||||||||||
- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Details
|