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

12 Months Ended

Dec. 31, 2019

Banking and Thrift [Abstract]

Schedule of Preferred Stock

The following table presents a summary of the Company's non-cumulative perpetual preferred stock at December 31:

							2019		2018
	Issuance Date	Earliest Redemption Date	Annual Dividend Rate		Liquidation Amount		Carrying Amount		Carrying Amount
(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
Series D Preferred Stock	4/4/2019	5/1/2024	6.100	%	100,000		96,388		—
					$	237,500	$	228,485	$	132,097

Actual Capital Amounts and Ratios

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

(in thousands)	2019
	Minimum				Well-Capitalized			Actual
	Amount		Ratio		Amount		Ratio	Amount		Ratio
Tier 1 Leverage
Consolidated	$	1,220,289	4.00	%	N/A		N/A	$	3,021,004	9.90	%
IBERIABANK	1,217,638		4.00		$	1,522,048	5.00	2,949,533		9.69
Common Equity Tier 1 (CET1)
Consolidated	$	1,194,765	4.50	%	N/A		N/A	$	2,792,520	10.52	%
IBERIABANK	1,191,062		4.50		$	1,720,423	6.50	2,949,533		11.14
Tier 1 Risk-Based Capital
Consolidated	$	1,593,020	6.00	%	N/A		N/A	$	3,021,004	11.38	%
IBERIABANK	1,588,083		6.00		$	2,117,444	8.00	2,949,533		11.14
Total Risk-Based Capital
Consolidated	$	2,124,026	8.00	%	N/A		N/A	$	3,300,730	12.43	%
IBERIABANK	2,117,444		8.00		$	2,648,805	10.00	3,112,758		11.76

	2018
	Minimum				Well-Capitalized			Actual
(in thousands)	Amount		Ratio		Amount		Ratio	Amount		Ratio
Tier 1 Leverage
Consolidated	$	1,168,343	4.00	%	N/A		N/A	$	2,812,863	9.63	%
IBERIABANK	1,165,537		4.00		$	1,456,921	5.00	2,733,099		9.38
Common Equity Tier 1 (CET1)
Consolidated	$	1,125,405	4.50	%	N/A		N/A	$	2,680,766	10.72	%
IBERIABANK	1,122,712		4.50		$	1,621,695	6.50	2,733,099		10.95
Tier 1 Risk-Based Capital
Consolidated	$	1,500,540	6.00	%	N/A		N/A	$	2,812,863	11.25	%
IBERIABANK	1,496,949		6.00		$	1,995,932	8.00	2,733,099		10.95
Total Risk-Based Capital
Consolidated	$	2,000,720	8.00	%	N/A		N/A	$	3,084,764	12.33	%
IBERIABANK	1,995,932		8.00		$	2,494,915	10.00	2,888,500		11.58