XML 49 R38.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Stockholders' Equity (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2018
Equity [Abstract] |
Stockholders' Equity | During 2018, we declared the following dividends:
| Three months ended
Dividend declared per share of: | September 30, 2018 |  | June 30, 2018 |  | March 31, 2018
Common Stock | $0.46 |  | $0.46 |  | $0.46
Series B Preferred Stock | 0.50 |  | 0.50 |  | 0.50
Series C Preferred Stock | 0.50 |  | 0.50 |  | 0.50

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

X
- Definition Tabular disclosure of all or some of the information related to dividends declared, but not paid, as of the financial reporting date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586 + Details
Name: | us-gaap_ScheduleOfDividendsPayableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration