Parent Company Only - Balance Sheet (Details) - USD ($) $ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2009 |
|---|---|---|---|---|---|
| Assets | |||||
| Investment securities | $ 4,723,099 | $ 4,396,115 | |||
| Other assets | 854,552 | 881,664 | |||
| Total assets | 31,540,274 | 30,731,883 | $ 15,000,000 | ||
| Liabilities: | |||||
| Long-term debt | 620,575 | 660,346 | |||
| Total liabilities | 27,908,892 | 27,363,947 | |||
| Stockholders’ Equity: | |||||
| Preferred stock | 300,000 | 300,000 | |||
| Common stock | 518 | 515 | |||
| Additional paid-in capital | 1,074,496 | 1,056,719 | |||
| Retained earnings | 2,808,645 | 2,495,651 | |||
| Treasury stock | (487,692) | (301,842) | |||
| Accumulated other comprehensive loss | (64,585) | (183,107) | |||
| Total stockholders’ equity | 3,631,382 | 3,367,936 | $ 3,199,142 | $ 3,055,351 | |
| Total liabilities and stockholders’ equity | 31,540,274 | 30,731,883 | |||
| Texas Capital Bancshares, Inc. | |||||
| Assets | |||||
| Cash and cash equivalents | 333,144 | 205,377 | |||
| Investment securities | 11,450 | 38,683 | |||
| Investment in subsidiaries | 3,742,705 | 3,604,699 | |||
| Other assets | 47,649 | 29,389 | |||
| Total assets | 4,134,948 | 3,878,148 | |||
| Liabilities: | |||||
| Other liabilities | 17,500 | 50,050 | |||
| Long-term debt | 486,066 | 485,629 | |||
| Total liabilities | 503,566 | 535,679 | |||
| Stockholders’ Equity: | |||||
| Preferred stock | 300,000 | 300,000 | |||
| Common stock | 518 | 515 | |||
| Additional paid-in capital | 1,074,496 | 1,056,719 | |||
| Retained earnings | 2,808,645 | 2,470,184 | |||
| Treasury stock | (487,692) | (301,842) | |||
| Accumulated other comprehensive loss | (64,585) | (183,107) | |||
| Total stockholders’ equity | 3,631,382 | 3,342,469 | |||
| Total liabilities and stockholders’ equity | $ 4,134,948 | $ 3,878,148 |
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- Definition Amount, after tax, of accumulated increase (decrease) in equity from transaction and other event and circumstance from nonowner source. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of excess of issue price over par or stated value of stock and from other transaction involving stock or stockholder. Includes, but is not limited to, additional paid-in capital (APIC) for common and preferred stock. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of asset recognized for present right to economic benefit. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount of cash and cash equivalent. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Sum of the carrying amounts as of the balance sheet date of all investments. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of investment in equity method investee and investment in and advance to affiliate. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of liability recognized for present obligation requiring transfer or otherwise providing economic benefit to others. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of assets classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of accumulated undistributed earnings (deficit). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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