Entity Tax Identification Number Entity Tax Identification Number Entity Address, Address Line Two Entity Address, Address Line Two 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 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 Entity Address, State or Province Entity Address, State or Province Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Written Communications Written Communications Entity Listings [Line Items] Entity Listings [Line Items] Exchange [Domain] Exchange [Domain] Trading Symbol Trading Symbol NASDAQ/NGS (GLOBAL SELECT MARKET) NASDAQ/NGS (GLOBAL SELECT MARKET) [Member] Entity Listings, Exchange [Axis] Entity Listings, Exchange [Axis] exch_Nasdaq Texas LLC exch_Nasdaq Texas LLC [Member] exch_Nasdaq Texas LLC City Area Code City Area Code Entity Listings [Table] Entity Listings [Table] Document Period End Date Document Period End Date Pre-commencement Issuer Tender Offer Pre-commencement Issuer Tender Offer Entity Address, City or Town Entity Address, City or Town Amendment Flag Amendment Flag Security Exchange Name Security Exchange Name Document Type Document Type Pre-commencement Tender Offer Pre-commencement Tender Offer Entity Central Index Key Entity Central Index Key Entity Emerging Growth Company Entity Emerging Growth Company