Shareholders' Equity, Capital Ratios and Other Regulatory Matters (Tables)

3 Months Ended

Mar. 31, 2017

Dec. 31, 2016

Banking and Thrift [Abstract]

Schedule of Preferred Stock

The following table presents a summary of the Company's non-cumulative perpetual preferred stock:

							March 31, 2017		December 31, 2016
	Issuance Date	Earliest Redemption Date	Annual Dividend Rate		Liquidation Amount		Carrying Amount		Carrying Amount
					(Dollars in thousands)
Series B Preferred Stock	8/5/2015	8/1/2025	6.625	%	$	80,000	$	76,812	$	76,812
Series C Preferred Stock	5/9/2016	5/1/2026	6.600	%	57,500		55,285		55,285
					$	137,500	$	132,097	$	132,097

Actual Capital Amounts and Ratios

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The Company’s and IBERIABANK’s actual capital amounts and ratios as of March 31, 2017 and December 31, 2016 are presented in the following table.

(Dollars in thousands)	March 31, 2017
	Minimum				Well-Capitalized		Actual
	Amount		Ratio		Amount	Ratio	Amount		Ratio
Tier 1 Leverage
Consolidated	$	845,887	4.00	%	N/A	N/A	$	2,730,832	12.91	%
IBERIABANK	843,399		4.00		1,054,249	5.00	1,925,529		9.13
Common Equity Tier 1 (CET1) (1)
Consolidated	$	798,791	4.50	%	N/A	N/A	$	2,598,735	14.64	%
IBERIABANK	796,259		4.50		1,150,153	6.50	1,925,529		10.88
Tier 1 Risk-Based Capital (1)
Consolidated	$	1,065,054	6.00	%	N/A	N/A	$	2,730,832	15.38	%
IBERIABANK	1,061,679		6.00		1,415,572	8.00	1,925,529		10.88
Total Risk-Based Capital (1)
Consolidated	$	1,420,073	8.00	%	N/A	N/A	$	3,003,882	16.92	%
IBERIABANK	1,415,572		8.00		1,769,465	10.00	2,082,079		11.77

	December 31, 2016
	Minimum				Well-Capitalized		Actual
	Amount		Ratio		Amount	Ratio	Amount		Ratio
Tier 1 Leverage
Consolidated	$	818,440	4.00	%	N/A	N/A	$	2,221,528	10.86	%
IBERIABANK	816,152		4.00		1,020,190	5.00	1,878,703		9.21
Common Equity Tier 1 (CET1) (1)
Consolidated	$	794,334	4.50	%	N/A	N/A	$	2,089,431	11.84	%
IBERIABANK	792,111		4.50		1,144,160	6.50	1,878,703		10.67
Tier 1 Risk-Based Capital (1)
Consolidated	$	1,059,112	6.00	%	N/A	N/A	$	2,221,528	12.59	%
IBERIABANK	1,056,147		6.00		1,408,197	8.00	1,878,703		10.67
Total Risk-Based Capital (1)
Consolidated	$	1,412,149	8.00	%	N/A	N/A	$	2,493,988	14.13	%
IBERIABANK	1,408,197		8.00		1,760,246	10.00	2,034,663		11.56