Pre-commencement Tender Offer Pre-commencement Tender Offer Amendment Flag Amendment Flag Entity Address, State or Province Entity Address, State or Province Entity Tax Identification Number Entity Tax Identification Number Title of 12(b) Security Title of 12(b) Security Entity File Number Entity File Number Written Communications Written Communications Pre-commencement Issuer Tender Offer Pre-commencement Issuer Tender Offer Entity Emerging Growth Company Entity Emerging Growth Company Trading Symbol Trading Symbol Document Period End Date Document Period End Date Soliciting Material Soliciting Material Document Type Document Type City Area Code City Area Code Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Entity Registrant Name Entity Registrant Name Entity Address, Address Line One Entity Address, Address Line One Local Phone Number Local Phone Number Entity Address, City or Town Entity Address, City or Town Cover page. Cover [Abstract] Amendment Description Amendment Description Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Central Index Key Entity Central Index Key Security Exchange Name Security Exchange Name