Consolidated Statements of Income (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Interest income
Loans, including fees	$ 80,824,000	$ 52,924,000	$ 53,898,000
Securities, taxable	6,417,000	4,134,000	4,383,000
Securities, tax-exempt	1,643,000	951,000	1,415,000
Federal funds sold	124,000	212,000	192,000
Interest-bearing deposits	110,000	21,000	29,000
Total interest income	89,118,000	58,242,000	59,917,000
Interest expense
Deposits	8,378,000	8,912,000	11,137,000
Short-term borrowings	122,000	80,000	157,000
Federal Home Loan Bank advances	636,000	533,000	993,000
Subordinated debentures and other borrowings	2,204,000	1,261,000	929,000
Total interest expense	11,340,000	10,786,000	13,216,000
Net interest income	77,778,000	47,456,000	46,701,000
Provision for loan losses	(3,000,000)	(7,200,000)	(3,100,000)
Net interest income after provision for loan losses	80,778,000	54,656,000	49,801,000
Noninterest income
Service charges on deposit and sweep accounts	2,586,000	1,532,000	1,523,000
Credit and debit card fees	2,494,000	1,063,000	891,000
Mortgage banking activities	1,672,000	800,000	1,479,000
Earnings on bank owned life insurance	1,184,000	1,329,000	1,528,000
Payroll processing	782,000	660,000	591,000
Letter of credit fees	335,000	370,000	336,000
Rental income from other real estate owned	109,000	528,000	1,061,000
Other income	866,000	590,000	585,000
Total noninterest income	10,028,000	6,872,000	7,994,000
Noninterest expense
Salaries and benefits	33,703,000	20,298,000	19,367,000
Occupancy	4,637,000	2,547,000	2,501,000
Furniture and equipment rent, depreciation and maintenance	1,738,000	984,000	1,176,000
Data processing	5,869,000	3,440,000	3,193,000
Merger-related costs	5,447,000	1,246,000	0
Advertising	1,315,000	1,113,000	1,167,000
FDIC insurance costs	1,182,000	793,000	1,200,000
Problem asset costs	585,000	595,000	5,862,000
Other expense	11,134,000	5,387,000	5,158,000
Total noninterest expenses	65,610,000	36,403,000	39,624,000
Income before federal income tax expense	25,196,000	25,125,000	18,171,000
Federal income tax expense	7,865,000	8,092,000	5,636,000
Net income	17,331,000	17,033,000	12,535,000
Preferred stock dividends and accretion	0	0	1,030,000
Net income attributable to common shares	$ 17,331,000	$ 17,033,000	$ 11,505,000
Earnings per common share:
Basic (in Dollars per share)	$ 1.28	$ 1.96	$ 1.33
Diluted (in Dollars per share)	$ 1.28	$ 1.95	$ 1.30