CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES
Net income			$ 26,422	$ 20,995
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation			2,518	2,075
Provision for loan/lease losses	$ 1,941	$ 2,301	4,075	4,841
Stock-based compensation expense			1,441	787
Deferred compensation expense accrued			1,323	1,004
Losses on other real estate owned, net			1,214	118
Amortization of premiums on securities, net			854	829
Securities losses, net			52
Loans originated for sale			(45,926)	(21,899)
Proceeds on sales of loans			43,969	22,072
Gains on sales of residential real estate loans	(489)	(102)	(858)	(203)
Gains on sales of government guaranteed portions of loans	(39)		(70)	(358)
Gains on sales of premises and equipment			(67)
Amortization of intangibles	615	305	1,147	609
Accretion of acquisition fair value adjustments, net			(2,145)	(1,244)
Increase in cash value of bank-owned life insurance			(952)	(817)
Decrease (increase) in other assets			942	(5,132)
Increase (decrease) in other liabilities			(4,615)	5,688
Net cash provided by operating activities			29,324	29,365
CASH FLOWS FROM INVESTING ACTIVITIES
Net decrease in federal funds sold			16,183	19,331
Net decrease (increase) in interest-bearing deposits at financial institutions			(62,084)	14,964
Proceeds from sales of other real estate owned			539	736
Activity in securities portfolio:
Purchases			(10,709)	(54,951)
Calls, maturities and redemptions			5,958	12,619
Paydowns			27,088	27,187
Sales			4,661
Activity in restricted investment securities:
Purchases			(3,868)	(4,215)
Redemptions			7,362	109
Net increase in loans/leases originated and held for investment			(176,394)	(150,993)
Purchase of premises and equipment			(6,032)	(2,666)
Proceeds from sales of premises and equipment			146
Net cash used in investing activities			(197,150)	(137,879)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net increase in deposit accounts			345,614	31,652
Net increase (decrease) in short-term borrowings			(9,583)	3,592
Activity in Federal Home Loan Bank advances:
Term advances			5,000
Calls and maturities			(35,000)	(10,000)
Net change in short-term and overnight advances			(130,865)	72,100
Activity in other borrowings:
Proceeds from other borrowings				9,000
Calls, maturities and scheduled principal payments			11,937	3,875
Prepayments			(46,313)
Paydown of revolving line of credit			(9,000)
Proceeds from subordinated notes			63,393
Payment of cash dividends on common stock			(1,881)	(1,526)
Proceeds from issuance of common stock, net			794	918
Net cash provided by financing activities			170,222	101,861
Net increase (decrease) in cash and due from banks			2,396	(6,653)
Cash and due from banks, beginning			85,523	75,722	$ 75,722
Cash and due from banks, ending	$ 87,919	$ 69,069	87,919	69,069	$ 85,523
Supplemental disclosure of cash flow information, cash payments (receipts) for:
Interest			29,346	12,304
Income/franchise taxes			(1,032)	1,010
Supplemental schedule of noncash investing activities:
Change in accumulated other comprehensive income, unrealized gains on securities available for sale and derivative instruments, net			4,586	(4,536)
Exchange of shares of common stock in connection with payroll taxes for restricted stock and in connection with stock options exercised			(160)	(194)
Transfers of loans to other real estate owned			1,012	46
Increase in the fair value of back-to-back interest rate swap assets and liabilities			43,628	1,775
Dividends payable			$ (942)	(836)
Transfer of equity securities from securities available for sale to other assets at fair value				$ 2,614