Summary of Significant Accounting Policies (Details)	Jul. 01, 2019
Summary of Significant Accounting Policies
Dividends Payable, Date to be Paid	Jul. 01, 2019
Special stock dividend, rate percent	4.00%
Special stock dividend, record date	Jun. 15, 2019

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

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

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