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

9 Months Ended

Sep. 30, 2015

Banking and Thrift [Abstract]

Actual Capital Amounts and Ratios

The Company’s and IBERIABANK’s actual capital amounts and ratios as of September 30, 2015 and December 31, 2014 are presented in the following table.

	September 30, 2015
	Minimum				Well Capitalized		Actual
(Dollars in thousands)	Amount		Ratio		Amount	Ratio	Amount		Ratio
Tier 1 Leverage
Consolidated	$	754,230	4.00	%	N/A	N/A	$	1,758,666	9.33	%
IBERIABANK	751,378		4.00		939,222	5.00	1,647,804		8.77
Common Equity Tier 1 (CET1) (1)
Consolidated	$	737,629	4.50	%	N/A	N/A	$	1,652,078	10.08	%
IBERIABANK	735,647		4.50		1,062,601	6.50	1,647,804		10.08
Tier 1 Risk-Based Capital (1)
Consolidated	$	983,506	6.00	%	N/A	N/A	$	1,758,666	10.73	%
IBERIABANK	980,863		6.00		1,307,817	8.00	1,647,804		10.08
Total Risk-Based Capital (1)
Consolidated	$	1,311,341	8.00	%	N/A	N/A	$	1,990,821	12.15	%
IBERIABANK	1,307,817		8.00		1,634,772	10.00	1,792,584		10.97
	December 31, 2014
	Minimum				Well Capitalized		Actual
(Dollars in thousands)	Amount		Ratio		Amount	Ratio	Amount		Ratio
Tier 1 Leverage
Consolidated	$	602,387	4.00	%	N/A	N/A	$	1,408,842	9.36	%
IBERIABANK	600,149		4.00		750,186	5.00	1,266,241		8.44
Tier 1 Risk-Based Capital
Consolidated	$	504,114	4.00	%	N/A	N/A	$	1,408,842	11.18	%
IBERIABANK	502,421		4.00		753,631	6.00	1,266,241		10.08
Total Risk-Based Capital
Consolidated	$	1,008,227	8.00	%	N/A	N/A	$	1,550,789	12.31	%
IBERIABANK	1,004,841		8.00		1,256,052	10.00	1,408,188		11.21

(1) Beginning January 1, 2016, minimum capital ratios will be subject to a capital conservation buffer of 0.625%. This capital conservation buffer will increase in subsequent years by 0.625% annually until it is fully phased in on January 1, 2019 at 2.50%.