CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Cash Flows from Operating Activities
Net income	$ 21,785	$ 18,828	$ 16,282
Adjustments to reconcile net income to net cash provided by operating activities
Provision (recovery) for loan losses	4,253	5,387	2,135
Mortgage banking income	(2,610)	(8,213)	(5,322)
Changes in fair value on loans held for sale	(3,893)	1,769	(1,519)
Net losses on real estate owned and other repossessed assets sold	189	93	445
Net gain on available for sale securities sold	(566)	(604)	(142)
Net loss (gain) on other assets sold	(602)	6	(21)
Amortization of premiums and accretion of discounts	4,479	6,686	5,849
Depreciation and amortization	2,706	2,315	2,119
Stock based compensation	952	979	780
Excess tax benefit of stock option exercises and restricted stock vesting		278
Net principal disbursed on loans originated for sale	(270,080)	(285,577)	(215,026)
Proceeds from sale of loans held for sale	280,956	262,586	204,845
Net change in deferred tax assets	11,011	7,843	7,316
Cash surrender value increase of life insurance and death proceeds in excess of cash surrender value	(1,627)	(1,495)	(1,720)
Net change in interest receivable	(611)	(922)	(215)
Net change in interest payable	882	92	(132)
Net change in prepaid and other assets	(982)	(5,603)	(572)
Net change in other liabilities	3,476	4,059	(1,529)
Net change in interest rate caps		3	177
Net cash from operating activities	49,718	8,510	13,750
Cash Flows from Investing Activities
Proceeds from the principal repayments and maturities of securities available for sale	21,969	26,981	31,066
Proceeds from the principal repayments and maturities of securities held to maturity	14,160	15,781	3,311
Proceeds from the sale of securities available for sale	62,906	33,701	16,627
Proceeds from the sale of real estate owned and other repossessed assets	1,419	1,828	2,559
Proceeds from the sale of loans held for investment	2,250	1	514
Proceeds from the sale of premises and equipment	2,297	2	154
Purchases of securities available for sale		(48,985)	(10,865)
Purchases of securities held to maturity		(3,200)	(10,390)
Purchase of bank-owned life insurance	(5,000)		(7,000)
Purchases of premises and equipment	(2,558)	(2,575)	(1,895)
Principal disbursed on loans, net of repayments	(217,570)	(156,475)	(157,982)
Loans purchased	(53,633)	(44,311)	(15,154)
Net cash (paid) received in the acquisiton of insurance agencies	(144)	107
Net cash received in acquisition of financial institution	25,780
Death benefit proceeds from bank owned life insurance			755
Net cash from investing activities	(148,124)	(177,145)	(148,300)
Cash Flows from Financing Activities
Net increase in checking, savings and money market accounts	46,744	45,782	68,247
Net increase in certificates of deposit	128,946	33,466	19,660
Net increase in advance payments by borrowers for taxes and insurance	693	2,638	1,270
Net change in Federal Home Loan Bank overnight advances	(58,500)	111,000	92,000
Net change in repurchase agreements and other borrowed funds	(11,086)	(23)	(30,023)
Proceeds from the exercise of stock options	279	517	28
Dividends paid	(6,960)	(5,172)	(3,369)
Purchase of treasury stock	(717)	(9,596)	(10,333)
Net cash from financing activities	99,399	178,612	137,480
Change in cash and cash equivalents	993	9,977	2,930
Cash and cash equivalents, beginning of period	45,887	35,910	32,980
Cash and cash equivalents, end of period	$ 46,880	$ 45,887	$ 35,910