Business Segments (Tables)

3 Months Ended

Mar. 31, 2015

Segment Reporting [Abstract]

Schedule of Segment Reporting Information

	Three Months Ended March 31, 2015
(Dollars in thousands)	IBERIABANK			IMC			LTC			Consolidated
Interest income	$	136,830		$	1,754		$	1		$	138,585
Interest expense		12,290			491			—			12,781
Net interest income		124,540			1,263			1			125,804
Provision for loan losses		5,345			—			—			5,345
Mortgage income		(1	)		18,024			—			18,023
Title revenue		—			—			4,629			4,629
Other non-interest income		26,251			(2	)		(2	)		26,247
Allocated expenses		(4,847	)		3,528			1,319			—
Non-interest expenses		116,005			12,916			4,232			133,153
Income before income taxes		34,287			2,841			(923	)		36,205
Income tax expense		10,313			1,122			(356	)		11,079
Net income (loss)	$	23,974		$	1,719		$	(567	)	$	25,126
Total loans and loans held for sale	$	12,869,096		$	219,409		$	—		$	13,088,505
Total assets		17,775,541			254,401			24,729			18,054,671
Total deposits		14,663,184			4,889			—			14,668,073
Average assets		15,732,790			181,942			24,753			15,939,485

	Three Months Ended March 31, 2014
(Dollars in thousands)	IBERIABANK			IMC			LTC			Consolidated
Interest income	$	113,149		$	1,082		$	1		$	114,232
Interest expense		9,603			221			—			9,824
Net interest income		103,546			861			1			104,408
Provision for loan losses		2,096			7			—			2,103
Mortgage income		(3	)		10,136			—			10,133
Title revenue		—			—			4,167			4,167
Other non-interest income		21,392			(11	)		—			21,381
Allocated expenses		(3,130	)		2,191			939			—
Non-interest expenses		93,046			10,299			3,889			107,234
Income before income taxes		32,923			(1,511	)		(660	)		30,752
Income tax expense		9,257			(588	)		(253	)		8,416
Net income (loss)	$	23,666		$	(923	)	$	(407	)	$	22,336
Total loans and loans held for sale	$	9,620,359		$	152,413		$	—		$	9,772,772
Total assets		13,349,465			176,106			24,661			13,550,232
Total deposits		10,896,508			2,355			—			10,898,863
Average assets		13,198,208			139,057			24,972			13,362,237