Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018		Dec. 31, 2017		Dec. 31, 2016
Operating activities
Net income	$ 36,340		$ 21,485		$ 25,126
Adjustments to reconcile net income to net cash provided by operating activities
Provision for loan losses	2,393		2,771		1,255
Depreciation and amortization of premises and equipment	2,912		3,560		3,563
Amortization of premiums on investments, net	40		172		1,066
Amortization of FDIC indemnification asset, net	2,181		3,517		5,474
Amortization of intangible assets	1,039		1,056		1,136
Goodwill, Impairment Loss	1,492
Accretion on acquired loans	(6,391)		(5,417)		(4,766)
Gain on divestiture, net					(3,682)
Equity-based compensation expense	1,158		790		531
Issuance of treasury stock to 401(k) plan	352		415		384
(Gain) loss on sale of premises and equipment, net	(25)		(1)		238
Loss on sale of other real estate owned	1,313		791		1,495
Loss (gain) on sale of securities	618		661		(335)
Net impairment losses recognized in earnings					4,646
Loss on extinguishment of debt	1,096
Decrease in other operating activities	4,981		6,570		6,957
Net cash provided by operating activities	49,499		36,370		43,088
Investing activities
Proceeds from sale of securities available for sale	8,937		13,664		104,928
Proceeds from maturities, prepayments, and calls of securities available for sale	68,765		37,155		99,906
Proceeds from maturities and calls of securities held to maturity			21,840		25,190
Payments to acquire securities available for sale	(67,355)		(49,406)		(1,174)
Proceeds from (originations of) loans, net	39,512		37,455		(159,243)
Proceeds from bank owned life insurance	458		2,639
(Redemption of) proceeds from FHLB stock, net	(2,122)		694		130
Cash proceeds from mergers, acquisitions, and divestitures, net	10				29,716
(Payments to) proceeds from the FDIC	(151)		1,689		4,403
Proceeds from sale of premises and equipment	955		57		1,092
Payments to acquire premises and equipment	(2,551)		(2,354)		(1,885)
Proceeds from sale of other real estate owned	2,940		4,363		7,147
Net cash provided by investing activities	49,398		67,796		110,210
Financing activities
Increase (decrease) in noninterest-bearing deposits, net	5,407		26,438		(17,482)
(Decrease) increase in interest-bearing deposits, net	(79,548)		62,115		(37,576)
Repayments of securities sold under agreements to repurchase, net	(716)		(67,919)		(40,609)
Repayments of FHLB and other borrowings, net	(50,000)		(30,708)		(48)
Proceeds from stock options exercised	384		378		921
Excess tax benefit from equity-based compensation					174
Payments for repurchase of treasury stock	(34,412)		(1,263)		(23,762)
Payments of common dividends	(21,090)		(11,563)		(10,396)
Net cash used in financing activities	(179,975)		(22,522)		(128,778)
Net (decrease) increase in cash and cash equivalents	(81,078)		81,644		24,520
Cash and cash equivalents at beginning of period	157,951	[1]	76,307		51,787
Cash and cash equivalents at end of period	76,873		157,951	[1]	76,307
Supplemental disclosure -- cash flow information
Cash paid for interest	7,935		8,267		9,845
Cash paid for income taxes	7,610		15,852		6,588
Supplemental transactions -- non-cash items
Transfer of loans to other real estate	5,686		2,283		5,162
Loans originated to finance other real estate	164				57
Increase (decrease) in accumulated other comprehensive loss	589		(1,171)		(3,236)
Non-cash sales price related to divestitures	$ 1,603

[1] Derived from audited financial statements