CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Interest income
Loans	$ 25,856	$ 22,759
Loans held for sale	1,007	858
Securities available for sale, nontaxable	307	388
Securities available for sale, taxable	1,263	1,215
Securities held to maturity, nontaxable	75	51
Securities held to maturity, taxable	379	422
Federal Home Loan Bank stock dividends	290	280
Other interest earning assets	224	77
Total interest income	29,401	26,050
Interest expense
Deposits	6,574	3,097
Federal Home Loan Bank advances	641	1,420
Total interest expense	7,215	4,517
Net interest income	22,186	21,533
Provision for loan losses	61	407
Net interest income after provision for loan losses	22,125	21,126
Non-interest income
Insurance agency income	701	577
Brokerage income	370	272
Mortgage servicing fees	873	812
Mortgage servicing rights valuation	(499)	9
Mortgage servicing rights amortization	(446)	(500)
Net Gains (losses):
Trading securities, including change in fair value	64
Securities available for sale (includes $144 and $139, respectively, accumulated other comprehensive income reclassifications for unrealized net gains on available for sale securities)	144	139
Mortgage banking income	1,676	1,358
Real estate owned and other repossessed assets, net	(31)	(78)
Increase in cash surrender value of life insurance	385	434
Other income	58	40
Total non-interest income	6,073	5,819
Non-interest expense
Salaries and employee benefits	10,575	9,998
Occupancy	1,046	1,100
Equipment and data processing	2,292	2,154
Financial institutions tax	509	496
Advertising	390	235
Amortization of intangible assets	127	113
FDIC insurance premiums	331	290
Other insurance premiums	76	109
Legal and consulting fees	60	299
Other professional fees	587	391
Supervisory fees	34	42
Real estate owned and other repossessed asset expenses	39	36
Other expenses	1,608	1,337
Total non-interest expenses	17,674	16,600
Income before income taxes	10,524	10,345
Income tax expense (includes $30 and $29 income tax expense from reclassification items)	1,868	1,789
Net income	8,656	8,556
Other comprehensive (loss) income
Unrealized gain (loss) on securities, available for sale, net of reclassifications and tax of $794 and $1,068, respectively	2,996	(4,020)
Accretion of unrealized losses on securities transferred from available for sale to held to maturity, net of tax of $7 and $8, respectively	24	30
Total other comprehensive income (loss)	3,020	(3,990)
Comprehensive income	$ 11,676	$ 4,566
Earnings per share
Basic	$ 0.18	$ 0.17
Diluted	$ 0.18	$ 0.17
Deposit Account [Member]
Non-interest income
Deposit related fees	$ 1,341	$ 1,300
Financial Service, Other [Member]
Non-interest income
Deposit related fees	38	38
Credit and Debit Card [Member]
Non-interest income
Deposit related fees	934	949
Fiduciary and Trust [Member]
Non-interest income
Deposit related fees	$ 465	$ 469