Consolidated Statements Of Income - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Interest Income
Interest and fees on loans		$ 109,224	$ 81,221	$ 70,654
Interest on U.S. government and sponsored enterprise obligations		16,082	15,091	16,118
Interest on state and political subdivision obligations		2,836	2,208	1,256
Interest on federal funds sold and other investments		1,484	624	357
Total interest income		129,626	99,144	88,385
Interest Expense
Interest on deposits		8,633	6,511	6,267
Interest on borrowings		4,506	3,457	3,329
Interest on subordinated debentures		3,415	2,724	2,532
Total interest expense		16,554	12,692	12,128
Net interest income		113,072	86,452	76,257
Provision for credit losses		5,258	1,936	2,220
Net interest income after provision for credit losses		107,814	84,516	74,037
Non-Interest Income
Debit card income		7,578	5,277	4,675
Service charges on deposit accounts		7,210	6,423	6,229
Mortgage banking income, net		6,258	2,031	282
Income from fiduciary services		4,960	4,918	4,989
Bank-owned life insurance		2,594	1,680	1,437
Brokerage and insurance commissions		2,074	1,699	1,766
Other service charges and fees		1,962	1,573	1,461
Net gain on sale of securities		51	4	451
Other income		6,934	3,877	3,080
Total non-interest income		39,621	27,482	24,370
Non-Interest Expenses
Salaries and employee benefits		48,072	37,220	32,669
Furniture, equipment and data processing		9,557	8,057	7,316
Net occupancy costs		7,088	5,695	5,055
Consulting and professional fees		3,234	2,625	2,368
Other real estate owned and collection costs		3,128	2,491	2,289
Regulatory assessments		2,777	2,184	1,982
Debit card expense		2,584	1,936	1,725
Amortization of intangible assets		1,903	1,306	1,148
Merger and acquisition costs		866	10,415	0
Other expenses		10,687	9,210	7,845
Total non-interest expense		89,896	81,139	62,397
Income before income tax expense		57,539	30,859	36,010
Income Tax Expense		17,472	9,907	11,440
Net income		$ 40,067	$ 20,952	$ 24,570
Per Share Data
Basic earnings per share	[1]	$ 2.59	$ 1.73	$ 2.19
Diluted earnings per share	[1]	$ 2.57	$ 1.73	$ 2.19
Weighted average number of common shares outstanding	[1]	15,422,160	12,031,294	11,176,468
Diluted weighted average number of common shares outstanding	[1]	15,504,239	12,074,579	11,205,888

[1] (2)Share and per share amounts have been adjusted to reflect the three-for-two split effective September 30, 2016, for all periods presented. Refer to Note 13.