Cover Page
Cover Page - USD ($) | 12 Months Ended | ||
Dec. 31, 2019 | Feb. 28, 2020 | Jun. 28, 2019 | |
Entity Information [Line Items] | |||
Document Type | 10-K/A | ||
Document Annual Report | true | ||
Document Period End Date | Dec. 31, 2019 | ||
Document Transition Report | false | ||
Entity File Number | 001-34657 | ||
Entity Registrant Name | TEXAS CAPITAL BANCSHARES INC/TX | ||
Entity Incorporation, State or Country Code | DE | ||
Entity Tax Identification Number | 75-2679109 | ||
Entity Address, Address Line One | 2000 McKinney Avenue | ||
Entity Address, Address Line Two | Suite 700 | ||
Entity Address, City or Town | Dallas | ||
Entity Address, State or Province | TX | ||
Entity Address, Country | US | ||
Entity Address, Postal Zip Code | 75201 | ||
City Area Code | 214 | ||
Local Phone Number | 932-6600 | ||
Entity Well-known Seasoned Issuer | Yes | ||
Entity Voluntary Filers | No | ||
Entity Current Reporting Status | Yes | ||
Entity Interactive Data Current | Yes | ||
Entity Filer Category | Large Accelerated Filer | ||
Entity Emerging Growth Company | false | ||
Entity Small Business | false | ||
Entity Shell Company | false | ||
Entity Public Float | $ 3,070,019,000 | ||
Entity Common Stock, Shares Outstanding | 50,397,277 | ||
Entity Central Index Key | 0001077428 | ||
Current Fiscal Year End Date | --12-31 | ||
Document Fiscal Year Focus | 2019 | ||
Document Fiscal Period Focus (Q1,Q2,Q3,FY) | FY | ||
Amendment Flag | true | ||
Common Stock [Member] | |||
Entity Information [Line Items] | |||
Title of 12(b) Security | Common Stock, par value $0.01 per share | ||
Trading Symbol | TCBI | ||
Security Exchange Name | NASDAQ | ||
Series A Preferred Stock [Member] | |||
Entity Information [Line Items] | |||
Title of 12(b) Security | 6.5% Non-Cumulative Perpetual Preferred Stock Series A, par value $0.01 per share | ||
Trading Symbol | TCBIP | ||
Security Exchange Name | NASDAQ |