Quarterly Results of Operations (Tables)

12 Months Ended

Dec. 31, 2017

Quarterly Financial Information Disclosure [Abstract]

Summary of the unaudited quarterly results of operations

The following table sets forth a summary of the unaudited quarterly results of operations.

	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
2017
Interest income	$	81,889	$	87,579	$	100,695	$	104,587
Interest expense	7,874		7,976		10,678		11,325
Net interest income	74,015		79,603		90,017		93,262
Provision for loan losses	1,500		1,750		2,150		2,150
Noninterest income	32,021		34,265		33,413		32,441
Noninterest expense	69,309		74,841		80,660		76,808
Income before income taxes	35,227		37,277		40,620		46,745
Income taxes	11,255		11,993		14,199		30,234
Net income	$	23,972	$	25,284	$	26,421	$	16,511
Basic earnings per share	$	0.54	$	0.57	$	0.54	$	0.33
Diluted earnings per share	$	0.54	$	0.57	$	0.53	$	0.33
2016
Interest income	$	76,259	$	84,008	$	83,032	$	85,840
Interest expense	6,205		6,851		7,301		7,791
Net interest income	70,054		77,157		75,731		78,049
Provision for loan losses	1,800		1,430		2,650		1,650
Noninterest income	33,302		35,586		38,272		30,255
Noninterest expense	69,814		77,259		76,468		71,558
Income before income taxes	31,742		34,054		34,885		35,096
Income taxes	10,526		11,154		11,706		11,461
Net income	$	21,216	$	22,900	$	23,179	$	23,635
Basic earnings per share	$	0.53	$	0.54	$	0.55	$	0.56
Diluted earnings per share	$	0.52	$	0.54	$	0.55	$	0.55