Unaudited Quarterly Financial Data

12 Months Ended

Dec. 31, 2015

Quarterly Financial Information Disclosure [Abstract]

Our supplemental consolidated financial information for each three month period in 2015 and 2014 are as follows:



	Three months ended
(Dollars in thousands, except per share amounts)	March 31,			June 30,			September 30,			December 31,
2015:
Interest income	$	248,816		$	253,926		$	264,791		$	279,232
Interest expense	9,891			10,155			10,131			10,163
Net interest income	238,925			243,771			254,660			269,069
Provision for loan losses	6,452			26,513			33,403			31,261
Noninterest income	123,524			126,287			108,477			114,506
Noninterest expense	190,541			194,112			184,755			208,608
Income before income tax expense	165,456			149,433			144,979			143,706
Income tax expense	63,066			54,974			57,017			53,697
Net income before noncontrolling interests	102,390			94,459			87,962			90,009
Net income attributable to noncontrolling interests	(13,874		)	(8,316		)	(6,229		)	(2,497		)
Net income available to common stockholders	$	88,516		$	86,143		$	81,733		$	87,512
Earnings per common share—basic	$	1.74		$	1.68		$	1.59		$	1.70
Earnings per common share—diluted	1.71			1.66			1.57			1.68

2014:
Interest income	$	205,024		$	213,841		$	229,326		$	243,725
Interest expense	8,696			8,876			8,761			8,988
Net interest income	196,328			204,965			220,565			234,737
Provision for loan losses	494			1,947			16,610			40,435
Noninterest income	310,225			14,210			80,167			167,637
Noninterest expense	170,408			170,944			179,761			186,067
Income before income tax expense	335,651			46,284			104,361			175,872
Income tax expense	61,296			35,928			40,207			46,077
Net income before noncontrolling interests	274,355			10,356			64,154			129,795
Net (income) loss attributable to noncontrolling interests	(183,405		)	40,597			(177		)	(71,805		)
Net income available to common stockholders	$	90,950		$	50,953		$	63,977		$	57,990
Earnings per common share—basic	$	1.98		$	1.06		$	1.26		$	1.14
Earnings per common share—diluted	1.95			1.04			1.24			1.13