XML 121 R110.htm IDEA: XBRL DOCUMENT v3.8.0.1

Stockholders' Equity - Cash Dividends Declared - Preferred Stock (Details) - $ / shares								3 Months Ended
	Oct. 15, 2017	Jul. 15, 2017	Apr. 15, 2017	Jan. 15, 2017	Oct. 15, 2016	Jul. 15, 2016	Apr. 15, 2016	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016
Dividends Payable [Line Items]
Declaration Date								Sep. 14, 2017	Jun. 14, 2017	Mar. 16, 2017	Dec. 15, 2016	Sep. 15, 2016	Jun. 16, 2016	Mar. 18, 2016
Record Date								Sep. 25, 2017	Jun. 26, 2017	Mar. 27, 2017	Dec. 27, 2016	Sep. 26, 2016	Jun. 27, 2016	Mar. 28, 2016
Payment Date								Oct. 25, 2017	Jul. 25, 2017	Apr. 25, 2017	Jan. 26, 2017	Oct. 28, 2016	Jul. 25, 2016	Apr. 25, 2016
Series B Preferred Stock
Dividends Payable [Line Items]
Declaration Date								Sep. 14, 2017	Jun. 14, 2017	Mar. 16, 2017	Dec. 15, 2016	Sep. 15, 2016	Jun. 16, 2016	Mar. 18, 2016
Record Date								Oct. 01, 2017	Jul. 01, 2017	Apr. 01, 2017	Jan. 01, 2017	Oct. 01, 2016	Jul. 01, 2016	Apr. 01, 2016
Payment Date								Oct. 15, 2017	Jul. 15, 2017	Apr. 15, 2017	Jan. 15, 2017	Oct. 15, 2016	Jul. 15, 2016	Apr. 15, 2016
Cash Dividend Per Share (in dollars per share)		$ 0.484375	$ 0.484375	$ 0.484375	$ 0.484375	$ 0.484375	$ 0.484375
Series B Preferred Stock | Subsequent Event
Dividends Payable [Line Items]
Cash Dividend Per Share (in dollars per share)	$ 0.484375
Series C Preferred Stock
Dividends Payable [Line Items]
Declaration Date								Sep. 14, 2017	Jun. 14, 2017	Mar. 16, 2017	Dec. 15, 2016	Sep. 15, 2016	Jun. 16, 2016	Mar. 18, 2016
Record Date								Oct. 01, 2017	Jul. 01, 2017	Apr. 01, 2017	Jan. 01, 2017	Oct. 01, 2016	Jul. 01, 2016	Apr. 01, 2016
Payment Date								Oct. 15, 2017	Jul. 15, 2017	Apr. 15, 2017	Jan. 15, 2017	Oct. 15, 2016	Jul. 15, 2016	Apr. 15, 2016
Cash Dividend Per Share (in dollars per share)		$ 0.4921875	$ 0.4921875	$ 0.4921875	$ 0.4921875	$ 0.4921875
Series C Preferred Stock | Subsequent Event
Dividends Payable [Line Items]
Cash Dividend Per Share (in dollars per share)	$ 0.4921875

X

- Definition

Date the declared dividend will be paid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-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_DividendPayableDateToBePaidDayMonthAndYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Date the dividend to be paid was declared, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-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_DividendsPayableDateDeclaredDayMonthAndYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

Name:	us-gaap_DividendsPayableDateOfRecordDayMonthAndYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

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.

+ References

No definition available.

+ Details

Name:	us-gaap_DividendsPayableLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Aggregate dividends paid during the period for each share of preferred stock outstanding.

+ References

No definition available.

+ Details

Name:	us-gaap_PreferredStockDividendsPerShareCashPaid
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_SeriesBPreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_SeriesCPreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: