Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
OPERATING ACTIVITIES:
Net income	$ 16,117,000	$ 10,393,000
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	1,550,000	1,150,000
Net amortization of purchase premiums and discounts on securities	170,000	216,000
Depreciation and amortization	1,359,000	1,071,000
Deferred income tax benefit	(1,337,000)	(234,000)
Net security gains	0
Net security gains	6,000	(69,000)
Stock compensation expense	786,000	571,000
(Gain) loss on sale of OREO	(169,000)	253,000
Valuation writedowns on OREO	0	151,000
Gain on sale of mortgage loans held for sale, net	(1,155,000)	(1,380,000)
Gain on sale of SBA loans held for sale, net	(1,383,000)	(1,348,000)
Origination of mortgage loans held for sale	(65,304,000)	(66,184,000)
Origination of SBA loans held for sale	(7,718,000)	(17,232,000)
Proceeds from sale of mortgage loans held for sale, net	66,459,000	67,564,000
Proceeds from sale of SBA loans held for sale, net	18,597,000	17,035,000
BOLI income	(810,000)	(289,000)
Net change in other assets and liabilities	1,715,000	1,060,000
Net cash provided by operating activities	28,877,000	12,728,000
INVESTING ACTIVITIES
Purchases of securities held to maturity	0	(163,000)
Purchases of securities available for sale	0	(25,882,000)
Purchases of FHLB stock, at cost	(51,797,000)	(6,136,000)
Maturities and principal payments on securities held to maturity	954,000	1,251,000
Maturities and principal payments on securities available for sale	4,026,000	10,850,000
Proceeds from sales of securities held to maturity	0	529,000
Proceeds from sales of securities available for sale	0	2,777,000
Proceeds from redemption of FHLB stock	55,215,000	4,845,000
Proceeds from sale of OREO	439,000	794,000
Net increase in loans	(122,540,000)	(119,404,000)
Proceeds from BOLI	493,000	0
Purchases of BOLI	0	(10,000,000)
Purchases of premises and equipment	(1,134,000)	(757,000)
Net cash used in investing activities	(114,344,000)	(141,296,000)
FINANCING ACTIVITIES
Net increase in deposits	176,336,000	97,909,000
Proceeds from new borrowings	180,000,000	97,000,000
Repayments of borrowings	(275,000,000)	(66,000,000)
Proceeds from exercise of stock options	500,114	360,327
Dividends on common stock	(2,067,000)	(1,766,000)
Net cash provided by financing activities	79,769,000	127,503,000
Decrease in cash and cash equivalents	(5,698,000)	(1,065,000)
Cash and cash equivalents, beginning of period	150,254,000	105,895,000
Cash and cash equivalents, end of period	144,556,000	104,830,000
SUPPLEMENTAL DISCLOSURES
Interest paid	9,550,000	6,939,000
Income taxes paid	4,241,000	4,502,000
Noncash investing activities:
Transfer of SBA loans held for sale to held to maturity	0	13,000
Capitalization of servicing rights	708,000	145,000
Transfer of loans to OREO	$ 127,000	$ 872,000