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

3 Months Ended

Mar. 31, 2016

Banking and Thrift [Abstract]

Actual Capital Amounts and Ratios

The Company’s and IBERIABANK’s actual capital amounts and ratios as of March 31, 2016 and December 31, 2015 are presented in the following table.

	March 31, 2016
	Minimum				Well Capitalized		Actual
(Dollars in thousands)	Amount		Ratio		Amount	Ratio	Amount		Ratio
Tier 1 Leverage
Consolidated	$	755,536	4.00	%	N/A	N/A	$	1,777,629	9.41	%
IBERIABANK	753,099		4.00		941,373	5.00	1,725,728		9.17
Common Equity Tier 1 (CET1)
Consolidated	$	757,235	4.50	%	N/A	N/A	$	1,700,817	10.11	%
IBERIABANK	755,278		4.50		1,090,957	6.50	1,725,728		10.28
Tier 1 Risk-Based Capital
Consolidated	$	1,009,647	6.00	%	N/A	N/A	$	1,777,629	10.56	%
IBERIABANK	1,007,038		6.00		1,342,717	8.00	1,725,278		10.28
Total Risk-Based Capital
Consolidated	$	1,346,196	8.00	%	N/A	N/A	$	2,054,719	12.21	%
IBERIABANK	1,342,717		8.00		1,678,396	10.00	1,886,318		11.24

	December 31, 2015
	Minimum				Well Capitalized		Actual
(Dollars in thousands)	Amount		Ratio		Amount	Ratio	Amount		Ratio
Tier 1 Leverage
Consolidated	$	751,798	4.00	%	N/A	N/A	$	1,790,034	9.52	%
IBERIABANK	749,226		4.00		936,532	5.00	1,691,022		9.03
Common Equity Tier 1 (CET1)
Consolidated	$	752,610	4.50	%	N/A	N/A	$	1,684,097	10.07	%
IBERIABANK	750,660		4.50		1,084,287	6.50	1,691,022		10.14
Tier 1 Risk-Based Capital
Consolidated	$	1,003,479	6.00	%	N/A	N/A	$	1,790,034	10.70	%
IBERIABANK	1,000,880		6.00		1,334,507	8.00	1,691,022		10.14
Total Risk-Based Capital
Consolidated	$	1,337,973	8.00	%	N/A	N/A	$	2,029,932	12.14	%
IBERIABANK	1,334,507		8.00		1,668,133	10.00	1,843,545		11.05