Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Interest and Dividend Income
Loans, including fees	$ 17,385	$ 13,039	$ 33,994	$ 26,097
Loans held-for-sale	37	39	61	67
Securities:
Taxable	2,607	4,382	5,570	8,593
Tax exempt	1,975	220	3,040	399
Dividends from Federal Reserve Bank and Federal Home Loan Bank stock	92	84	177	168
Interest bearing deposits with financial institutions	31	15	54	34
Total interest and dividend income	22,127	17,779	42,896	35,358
Interest Expense
Savings, NOW, and money market deposits	233	193	456	384
Time deposits	1,025	869	2,004	1,691
Other short-term borrowings	150	26	258	46
Junior subordinated debentures	1,059	1,083	2,143	2,167
Senior notes	672		1,345
Subordinated debt		243		482
Notes payable and other borrowings		2		4
Total interest expense	3,139	2,416	6,206	4,774
Net interest and dividend income	18,988	15,363	36,690	30,584
Loan loss reserve release	750		750
Net interest and dividend income after release for loan losses	18,238	15,363	35,940	30,584
Noninterest Income
Trust income	1,638	1,502	3,096	2,871
Service charges on deposits	1,615	1,646	3,233	3,205
Secondary mortgage fees	223	280	399	473
Mortgage servicing rights mark to market loss	(429)	(733)	(562)	(1,774)
Mortgage servicing gain / (loss), net of changes in fair value	444	422	879	843
Net gain on sales of mortgage loans	1,473	1,642	2,620	2,854
Securities loss, net	(131)		(267)	(61)
Increase in cash surrender value of bank-owned life insurance	350	319	709	604
Debit card interchange income	1,081	1,049	2,056	1,996
(Loss) gain on disposal and transfer of fixed assets	12		10	(1)
Other income	1,041	1,150	2,172	2,542
Total noninterest income	7,317	7,277	14,345	13,552
Noninterest Expense
Salaries and employee benefits	10,545	8,814	21,118	17,840
Occupancy expense, net	1,462	1,346	3,028	2,927
Furniture and equipment expense	1,112	1,063	2,202	1,988
FDIC insurance	165	362	313	565
General bank insurance	264	272	534	570
Amortization of core deposit intangible	25		50
Advertising expense	452	435	838	782
Debit card interchange expense	399	620	748	823
Legal fees	184	191	288	352
Other real estate expense, net	539	879	1,248	1,617
Other expense	2,839	2,718	5,673	5,500
Total noninterest expense	17,986	16,700	36,040	32,964
Income before income taxes	7,569	5,940	14,245	11,172
Provision for income taxes	2,112	2,095	4,216	4,005
Net income	$ 5,457	$ 3,845	$ 10,029	$ 7,167
Basic earnings per share (in dollars per share)	$ 0.19	$ 0.13	$ 0.34	$ 0.24
Diluted earnings per share (in dollars per share)	$ 0.18	$ 0.13	$ 0.33	$ 0.24