Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Cash flows from operating activities:
Net earnings	$ 19,110	$ 14,176	$ 9,642
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation	6,062	5,568	3,799
Accretion of purchase accounting adjustments	(2,540)	(5,869)	(2,067)
Provision for loan losses	5,625	3,050	2,050
Deferred tax (benefit) expense	(1,489)	2,828	1,651
Amortization of premiums on securities, net	3,047	4,473	1,878
Amortization of other investments	3	13	15
Net (gain) loss on sale of other real estate	(1,061)	190	163
Net write down of other real estate owned	91	457	582
Net loss on sale/disposal of premises and equipment	182	96	6
Stock compensation expense	442	308	150
Restricted stock expense	0	21	57
Gain on sale and liquidation of securities available-for-sale	(128)	(234)	(204)
Change in accrued interest receivable	57	(1)	745
Change in accrued interest payable	(234)	(201)	(181)
Change in other assets and liabilities, net	591	1,009	(339)
Net cash provided by operating activities	29,758	25,884	17,947
Cash flows from investing activities, net of effect of purchase acquisitions in 2012:
Net change in time deposits in other banks	0	881	1
Proceeds from maturities and calls of securities available-for-sale	48,464	72,728	146,019
Proceeds from maturities and calls of securities held-to-maturity	14,344	22,946	24,340
Proceeds from sale of securities available-for-sale	22,153	55,879	6,558
Purchases of securities available-for-sale	(1,250)	(68,043)	(100,384)
Purchases of securities held-to-maturity	(1,104)	(26,382)	(38,160)
Proceeds from redemption of other investments	150	1,600	500
Purchases of other investments	(580)	(3,220)	(189)
Redemption of Capital Securities related to MidSouth Statutory Trust I	217	0	0
Net change in loans	(147,642)	(82,340)	(41,335)
Purchases of premises and equipment	(5,588)	(14,264)	(10,245)
Proceeds from sale of premises and equipment	1,729	69	0
Net cash associated with Peoples State Bank acquisition	0	0	7,044
Proceeds from sale of other real estate owned	3,794	1,215	555
Net cash used in investing activities	(65,313)	(38,931)	(5,296)
Cash flows from financing activities, net of effect of purchase acquisitions in 2012:
Change in deposits	66,679	(32,455)	(12,432)
Change in securities sold under agreements to repurchase	8,182	12,469	(5,539)
Borrowings on Federal Home Loan Bank advances	120,000	25,000	0
Repayments of Federal Home Loan Bank advances	(120,061)	(57)	0
Repayments of notes payable	(1,000)	(1,000)	0
Redemption of MidSouth Statutory Trust I	(7,217)	0	0
Proceeds from exercise of stock options	643	69	100
Tax benefit from exercise of stock options	21	4	1
Tax benefit from vested restricted stock	0	14	0
Purchase of treasury stock	(9)	0	0
Payment of dividends on preferred stock	(704)	(1,519)	(1,579)
Payment of dividends on common stock	(3,838)	(3,320)	(2,932)
Net cash provided by (used in) financing activities	62,696	(795)	(22,381)
Net increase (decrease) in cash and cash equivalents	27,141	(13,842)	(9,730)
Cash and cash equivalents, beginning of year	59,731	73,573	83,303
Cash and cash equivalents, end of year	86,872	59,731	73,573
Supplemental cash flow information:
Interest paid	6,041	6,534	5,978
Income taxes paid	8,065	3,500	2,785
Noncash investing and financing activities:
Common stock issued in acquisition	0	0	11,530
Change in accrued common stock dividends	121	167	1
Change in accrued preferred stock dividends	(6)	(188)	(32)
Net change in loan to ESOP	(250)	0	0
Change in unrealized gains/losses on securities available-for-sale, net of tax	2,963	(8,265)	407
Transfer of loans to other real estate	447	1,053	879
Financed portion of sales of other real estate	$ 84	$ 0	$ 290