Summary of Quarterly Financial Information (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2017

Quarterly Financial Information Disclosure [Abstract]

Summary of Quarterly Financial Information (Unaudited)

(Dollars in thousands, except per share data)
2017	December 31			September 30			June 30			March 31
Net interest income	$	92,856		$	89,844		$	74,580		$	73,028
Provision for loan losses	5,328			5,705			889			3,641
Net interest income after provision for loan losses	87,528			84,139			73,691			69,387
Noninterest income	25,528			24,977			25,624			25,893
Noninterest expense	77,878			78,759			69,298			71,740
Income taxes	21,506			8,725			8,059			5,530
Net income	13,672			21,632			21,958			18,010
Preferred dividends	(13		)	(13		)	(13		)	(19		)
Interest expense on convertible preferred debt	—			3			4			5
Net income available to common stockholders	13,659			21,622			21,949			17,996
Per share:
Earnings per share-basic	$	0.46		$	0.73		$	0.82		$	0.68
Earnings per share-diluted	0.45			0.72			0.81			0.68
Cash dividends declared on common stock	0.18			0.11			0.11			0.11
Book value per common share	33.07			32.75			30.15			29.26
Weighted average common shares outstanding	29,948,536			29,647,534			26,686,845			26,334,788
Weighted average diluted common shares outstanding	30,209,043			29,910,437			26,972,580			26,627,830

(Dollars in thousands, except per share data)
2016	December 31			September 30			June 30			March 31
Net interest income	$	75,160		$	73,681		$	73,118		$	72,707
Provision for loan losses	2,181			5,328			2,118			2,067
Net interest income after provision for loan losses	72,979			68,353			71,000			70,640
Noninterest income	24,455			28,542			31,026			29,578
Noninterest expense	69,912			68,427			71,020			70,309
Income taxes	8,360			8,260			10,036			9,900
Net income	19,162			20,208			20,970			20,009
Preferred dividends	(19		)	(53		)	(52		)	(168		)
Interest expense on convertible preferred debt	3			17			31			—
Net income available to common stockholders	19,146			20,172			20,949			19,841
Per share:
Earnings per share-basic	$	0.75		$	0.82		$	0.85		$	0.84
Earnings per share-diluted	0.74			0.81			0.84			0.82
Cash dividends declared on common stock	0.20			0.10			0.10			0.10
Book value per common share	28.31			28.48			27.88			27.15
Weighted average common shares outstanding	25,498,423			24,601,016			24,524,273			23,657,234
Weighted average diluted common shares outstanding	25,800,472			24,922,946			24,974,995			24,117,384