Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 7,097	$ 6,480
Adjustments to reconcile net income to net cash provided by operations:
Provision (benefit) for loan losses	1,631	1,016
Depreciation and amortization of premises and equipment, core deposit intangible, and mortgage servicing rights	1,236	1,333
Amortization and accretion of securities premiums and discounts, deferred loan fees and costs, net yield and credit mark on acquired loans, and unearned income	(427)	53
Net realized gains on sales of available-for-sale securities	0	(1,383)
Net realized and unrealized gains on trading securities	(14)	(188)
Proceeds from sale of trading securities	0	402
Purchase of trading securities	(92)	(904)
Gain on sale of loans	(105)	(81)
Net gains on dispositions of premises and equipment and foreclosed assets	(4)	(81)
Proceeds from sale of loans	4,270	3,197
Origination of loans held for sale	(4,824)	(4,376)
Income on bank owned life insurance	(400)	(352)
Stock-based compensation expense	674	189
Changes in:
Accrued interest receivable and other assets	(4,134)	(1,108)
Accrued interest payable and other liabilities	(766)	(3,971)
NET CASH PROVIDED BY OPERATING ACTIVITIES	4,142	226
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from maturities, prepayments and calls of available-for-sale securities	7,780	21,546
Proceeds from sales of available-for-sale securities	0	2,183
Purchase of available-for-sale securities	(21,634)	(2,268)
Loan origination and payments, net	(130,059)	(35,616)
Purchase of FHLB, other equity, and restricted equity interests	(5,047)	(999)
Purchase of premises and equipment	(397)	(1,877)
Proceeds from the sale of premises and equipment and foreclosed assets	166	236
NET CASH USED IN BY INVESTING ACTIVITIES	(149,191)	(16,795)
Net change in:
Checking, money market and savings accounts	30,391	24,999
Certificates of deposit	11,849	(17,042)
Deposits held for sale	0	57
Purchase of treasury stock	(448)	(1,103)
Cash dividends paid	(2,523)	(2,525)
Proceeds from stock offering, net of issuance costs	0	19,294
Repayment of long-term borrowings	(7,554)	(17,461)
Proceeds from long-term borrowings	50,000	0
Net change in short-term borrowings	56,593	9,536
NET CASH PROVIDED BY FINANCING ACTIVITIES	138,308	15,755
NET DECREASE IN CASH AND CASH EQUIVALENTS	(6,741)	(814)
CASH AND CASH EQUIVALENTS, Beginning	35,345	29,183
CASH AND CASH EQUIVALENTS, Ending	28,604	28,369
Cash paid during the period for:
Interest	5,203	3,890
Income taxes	0	0
SUPPLEMENTAL NONCASH DISCLOSURES:
Transfers to other real estate owned	0	51
Grant of restricted stock awards from treasury stock	$ 933	$ 943