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