Aggregate dividends declared during the period for each share of common stock outstanding.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

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

Earnings Per Share and Certain Related Information - Dividends (Details) - $ / shares	Jun. 17, 2020	May 05, 2020	Feb. 28, 2020	Jan. 16, 2020	Nov. 01, 2019	Sep. 19, 2019	Aug. 23, 2019	Jul. 11, 2019	Jun. 14, 2019	May 02, 2019	Mar. 15, 2019	Jan. 17, 2019	Oct. 26, 2018	Sep. 11, 2018
Earnings Per Share Reconciliation [Abstract]
Dividend declared (in dollars per share)		$ 0.19		$ 0.19		$ 0.17		$ 0.17		$ 0.17		$ 0.17		$ 0.15
Dividends paid (in dollars per share)	$ 0.19		$ 0.19		$ 0.17		$ 0.17		$ 0.17		$ 0.17		$ 0.15