Common Equity Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets

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Common Equity Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets

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Stock Repurchase Program Percentage Of Outstanding Shares Authorized For Repurchase

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Tax Cuts And Jobs Act Of 2017, Reclassification From Aoci To Retained Earnings

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- Definition

The minimum Total risk based capital ratio (total capital divided by risk weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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The Total risk based capital ratio (total capital divided by risk weighted assets) required to be categorized as "well capitalized", in the regulatory framework for prompt corrective action.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The cash inflow from the additional capital contribution to the entity.

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The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

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Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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Expiration date for the purchase of an entity's own shares under a stock repurchase plan, in the CCYY-MM-DD format.

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The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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- Definition

The minimum amount of Tier 1 Leverage Capital for capital adequacy purposes divided by average assets as defined in the regulations.

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The amount of Tier 1 Leverage Capital required to be categorized as well capitalized divided by average assets as defined in the regulatory framework for prompt corrective action.

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The minimum Tier One Capital Ratio (Tier one capital divided by risk-weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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The Tier 1 capital ratio (Tier 1 capital divided by risk weighted assets) required to be categorized as "well capitalized" under the regulatory framework for prompt corrective action.

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Cost basis for treasury stock acquired for purposes other than retirement.

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Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

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Number of shares that have been repurchased during the period and are being held in treasury.

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Stockholders' Equity (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
	Dec. 16, 2016	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Aug. 28, 2015
Equity, Class of Treasury Stock [Line Items]
Proceeds from issuance of common stock	$ 259,000			$ 259,299
Treasury stock shares			1,200,000	1,300,000
Treasury stock, Carry basis			$ 25,500	$ 24,100
Tax computed at statutory rate			35.00%	35.00%	35.00%
Reclassification of certain tax effects
Restricted Stock [Member]
Equity, Class of Treasury Stock [Line Items]
Number of shares nonvested			1,500,000	2,000,000
2015 Stock Repurchase Plan [Member]
Equity, Class of Treasury Stock [Line Items]
Shares authorized for repurchase						5.00%
Number of shares authorized for repurchase						3,900,000
Stock repurchase plan expiration date			Sep. 01, 2016
Repurchased common stock shares			0	0
Common Stock [Member]
Equity, Class of Treasury Stock [Line Items]
Shares sold, price per share	$ 41.00
Shares sold	6,300,000
Reclassification of certain tax effects
Hancock Holding Company [Member]
Equity, Class of Treasury Stock [Line Items]
Proceeds from issuance of common stock			$ 15,312	$ 262,961	$ 347
Minimum risk-based capital ratio			8.00%	8.00%
Minimum Tier 1 capital ratio			6.00%	6.00%
Minimum Tier 1 leverage capital ratio			4.00%	4.00%
Minimum Tier 1 common equity			4.50%	4.50%
Well capitalized total risk based capital ratio			10.00%	10.00%
Well capitalized Tier 1 risk-based capital ratio			8.00%	8.00%
Well capitalized Tier 1 leverage capital ratio			5.00%	5.00%
Well capitalized Tier 1 common equity			6.50%	6.50%
Bank Holding Companies and Banks that Meet Certain Criteria [Member]
Equity, Class of Treasury Stock [Line Items]
Minimum Tier 1 leverage capital ratio			3.00%
Scenario, Plan [Member]
Equity, Class of Treasury Stock [Line Items]
Tax computed at statutory rate		21.00%