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