Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Cash flows from operating activities
Net income	$ 9,374	$ 10,300	$ 8,987
Adjustments to reconcile net income to net cash from operating activities:
Stock based compensation	553	531	2,006
Depreciation	1,764	1,672	1,499
Provision for loan losses	2,119	3,047	1,200
Net amortization (accretion) of purchase valuation adjustments	615	(380)	(123)
Amortization (accretion) of premiums and discounts on securities	3,049	2,309	1,268
Amortization of intangible assets	419	275	363
Deferred income taxes	909	2,427	963
FHLB stock dividends	(657)	(407)	(43)
Loss (gain) on sales and valuation adjustments on other real estate owned	(112)	(44)	(376)
Net loss (gain) on sales of and settlements of securities	(479)	(756)	(986)
Loss (gain) on disposal of premise and equipment	(42)	11	(36)
Loss (gain) on sales of buildings held for sale			(112)
Loss (gain) on sales of branches			20
Loss (gain) on sales of loans	(1,198)	(903)	(717)
Originations of loans held for sale	(51,369)	(41,407)	(31,845)
Proceeds from the sale of loans held for sale	51,241	39,703	32,012
Increase in the value of bank owned life insurance	(1,000)	(957)	(960)
Change in fair value of derivatives recognized in earnings	6	13	33
Gain on acquisition		(682)
Net change in:
Interest receivable	(544)	(751)	176
Other assets	885	(2,551)	3,361
Interest payable and other liabilities	15	2,170	(3,015)
Net cash provided by operating activities	15,548	13,620	13,675
Cash flows (to) from investing activities
Purchases of available-for-sale securities	(56,391)	(108,997)	(30,266)
Purchases of held-to-maturity securities	(134,745)	(97,103)	(15,343)
Proceeds from sales, calls, pay-downs, and maturities of available-for-sale securities	90,459	60,088	46,638
Proceeds from calls, pay-downs and maturities of held-to-maturity securities	51,439	46,322	35,208
Net change in interest-bearing time deposits in other banks	1,495	750	(2,000)
Net change in loans	(73,932)	(150,625)	(68,566)
Purchase of premises and equipment	(2,796)	(5,736)	(4,676)
Proceeds from sale of premises and equipment	209	15	1,054
Proceeds from sale of buildings held for sale			749
Net redemptions (purchases) of FHLB and FRB stock	(1,973)	(4,875)	(19)
Proceeds from sale of other real estate owned	3,017	2,266	4,368
Purchase of bank owned life insurance	(14,500)
Redemption of bank owned life insurance			30
Net cash transferred in branch sale			(13,755)
Net cash (used in) investing activities	(140,689)	(266,941)	(46,578)
Cash flows (to) from financing activities
Net increase (decrease) in deposits	39,082	147,952	51,850
Net change in federal funds purchased and retail repurchase agreements	(4,150)	(4,539)	(149)
Net borrowings (repayments) on Federal Home Loan Bank line of credit	114,149	128,895	16,544
Principal repayments on Federal Home Loan Bank term advances	(25,221)	(36,035)	(4,852)
Borrowings on bank stock loan	6,000	5,014	15,540
Principal repayments on bank stock loan	(33,218)	(1,554)	(388)
Proceeds from issuance of common stock, net	23,643	38,945
Proceeds from exercise of employee stock options	112
Issuance of employee stock loan		(1,215)
Principal payments on employee stock loan		973
Redemption of Series A and Series B preferred stock	(16,372)		(15,540)
Purchase of treasury stock			(17,221)
Net change in contractual obligations	(589)	(53)	(990)
Dividends paid on preferred stock	(42)	(164)	(804)
Excess tax benefits as a result of the distribution of common stock in termination of the restricted stock unit plan recognized as an increase in additional paid-in capital		224
Excess tax benefits as a result of the exercise of employee stock options	13
Net cash provided by (used in) financing activities	103,407	278,443	43,990
Net change in cash and cash equivalents	(21,734)	25,122	11,087
Cash and cash equivalents, beginning of period	56,829	31,707	20,620
Ending cash and cash equivalents	35,095	56,829	31,707
Supplemental cash flow information:
Interest paid	8,943	6,670	6,294
Income taxes paid, net of refunds	3,212	2,938	1,623
Supplemental noncash disclosures:
Other real estate owned acquired in settlement of loans	3,006	3,164	1,414
Fair value of securities transferred from held-to-maturity to available-for-sale			6,188
Preferred stock dividends payable at period end		41	41
Deposits transferred in branch sale			17,014
Premises and equipment transferred in branch sale			$ 3,085
First Independence Corporation and Subsidiary [Member]
Adjustments to reconcile net income to net cash from operating activities:
Gain on acquisition		(682)
Cash flows (to) from investing activities
Net cash paid for acquisition		(9,046)
Supplemental noncash disclosures:
Total fair value of assets acquired in purchase of First Independence, net of cash		129,341
Total fair value of liabilities acquired in purchase of First Independence		119,613
Community First Bancshares, Inc. [Member]
Cash flows from operating activities
Net income	19,815	$ 17,527
Cash flows (to) from investing activities
Net cash paid for acquisition	(2,971)
Supplemental noncash disclosures:
Total fair value of assets acquired in purchase of First Independence, net of cash	462,936
Total fair value of liabilities acquired in purchase of First Independence	$ 419,641