CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 12,918	$ 10,550
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	1,235	1,021
Provision for loan/lease losses	2,134	2,540
Stock-based compensation expense	722	495
Deferred compensation expense accrued	733	512
Losses (gains) on other real estate owned, net	224	118
Amortization of premiums on securities, net	448	439
Loans originated for sale	(18,034)	(12,939)
Proceeds on sales of loans	17,735	13,764
Gains on sales of residential real estate loans	(369)	(101)
Gains on sales of government guaranteed portions of loans	(31)	(358)
Gains on sales of premises and equipment	(47)
Amortization of core deposit intangible	532	305
Accretion of acquisition fair value adjustments, net	(1,069)	(699)
Increase in cash value of bank-owned life insurance	(540)	(418)
Decrease (increase) in other assets	1,121	(4,438)
Decrease in other liabilities	(9,110)	(2,888)
Net cash provided by operating activities	8,602	7,903
CASH FLOWS FROM INVESTING ACTIVITIES
Net decrease in federal funds sold	24,526	15,692
Net decrease (increase) in interest-bearing deposits at financial institutions	(80,962)	10,714
Proceeds from sales of other real estate owned	202	736
Activity in securities portfolio:
Purchases	(4,079)	(7,100)
Calls, maturities and redemptions	4,510	4,540
Paydowns	10,426	9,085
Activity in restricted investment securities:
Purchases	(3,110)	(4,451)
Redemptions	5,895	1,820
Net increase in loans/leases originated and held for investment	(65,777)	(90,378)
Purchase of premises and equipment	(3,970)	(704)
Proceeds from sales of premises and equipment	117
Net cash used in investing activities	(112,222)	(60,046)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net increase in deposit accounts	217,257	13,377
Net increase (decrease) in short-term borrowings	(12,888)	2,867
Activity in Federal Home Loan Bank advances:
Term advances	5,000
Calls and maturities	(15,000)
Net change in short-term and overnight advances	(130,365)	24,345
Activity in other borrowings:
Calls, maturities and scheduled principal payments	(1,937)	(1,938)
Prepayments	(21,313)
Paydown of revolving line of credit	(9,000)
Proceeds from subordinated notes	63,393
Payment of cash dividends on common stock	(939)	(693)
Proceeds from issuance of common stock, net	416	309
Net cash provided by financing activities	94,624	38,267
Net decrease in cash and due from banks	(8,996)	(13,876)
Cash and due from banks, beginning	85,523	75,722	$ 75,722
Cash and due from banks, ending	76,527	61,846	$ 85,523
Supplemental disclosure of cash flow information, cash payments (receipts) for:
Interest	14,146	3,655
Income/franchise taxes	(590)	75
Supplemental schedule of noncash investing activities:
Change in accumulated other comprehensive income, unrealized gains on securities available for sale and derivative instruments, net	2,344	(3,202)
Exchange of shares of common stock in connection with payroll taxes for restricted stock and in connection with stock options exercised	(152)	(178)
Transfers of loans to other real estate owned	158	46
Increase in the fair value of back-to-back interest rate swap assets and liabilities	942	834
Dividends payable	$ 13,882	103
Transfer of equity securities from securities available for sale to other assets at fair value		$ 2,614