Unaudited Condensed Consolidated Statements of Cash Flows - USD ($)	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Available-for-sale Securities [Member]
Net premium amortization of investment securities:
Net premium amortization of investment securities	$ 3,054,000	$ 3,278,000
Held-to-maturity Securities [Member]
Net premium amortization of investment securities:
Net premium amortization of investment securities	39,000	39,000
Employee Stock Purchase Plan Expense [Member]
Net premium amortization of investment securities:
Noncash compensation expense	24,000	24,000
Director Fee Compensation [Member]
Net premium amortization of investment securities:
Noncash compensation expense	62,000	64,000
Net income	14,060,000	11,408,000
Depreciation and amortization	2,712,000	3,067,000
Provision for loan losses	(819,000)	(2,707,000)
Deferred income tax (benefit) expense	(76,000)	274,000
Mortgage loans originated for sale	(26,399,000)	(21,490,000)
Proceeds from sale of mortgage loans	27,650,000	21,879,000
Gain on sale of mortgage loans, net	(695,000)	(558,000)
Loss on disposal of premises and equipment, net	2,000	16,000
Net loss on sale and write downs of other real estate	1,301,000	724,000
Gain on extinguishment of subordinated notes payable to unconsolidated trusts	(4,050,000)	0
Loss on extinguishment of long-term securities sold under agreements to repurchase	3,776,000	0
Net gain on sale of available for sale investment securities	(3,990,000)	(163,000)
Increase in cash surrender value of company-owned life insurance	(679,000)	(676,000)
Death benefits in excess of cash surrender value on company-owned life insurance	(81,000)	0
Decrease in accrued interest receivable	873,000	379,000
Decrease in other assets	1,305,000	2,436,000
Decrease in accrued interest payable	(529,000)	(85,000)
Increase in other liabilities	347,000	3,950,000
Net cash provided by operating activities	17,887,000	21,859,000
Cash Flows from Investing Activities
Proceeds from maturities and calls of available for sale investment securities	103,832,000	95,665,000
Proceeds from sale of available for sale investment securities	215,734,000	12,674,000
Purchase of available for sale investment securities	(210,368,000)	(92,557,000)
Purchase of restricted stock investments, net	(472,000)	0
Loans originated for investment less than principal collected, net	8,510,000	1,108,000
Purchase of loans	(1,751,000)	(6,678,000)
Principal collected on purchased loans	2,304,000	1,764,000
Proceeds from death benefits of company-owned life insurance	341,000	0
Purchase of premises and equipment	(1,900,000)	(1,606,000)
Proceeds from sale of other real estate	3,946,000	9,239,000
Proceeds from disposals of premises and equipment	0	23,000
Net cash provided by investing activities	120,176,000	19,632,000
Cash Flows from Financing Activities
Net decrease in deposits	(18,063,000)	(30,693,000)
Net increase in federal funds purchased and other short-term borrowings	3,054,000	6,167,000
Proceeds from securities sold under agreements to repurchase and other long-term borrowings	9,000	507,000
Repayments of securities sold under agreements to repurchase and other long-term borrowings	(104,097,000)	(116,000)
Cash paid to extinguish subordinated notes payable to unconsolidated trusts	(10,950,000)
Dividends paid, common stock	(1,050,000)	0
Redemption of preferred stock	0	(10,000,000)
Dividends paid, preferred stock	0	(508,000)
Shares issued under employee stock purchase plan	116,000	93,000
Net cash used in financing activities	(130,981,000)	(34,550,000)
Net increase in cash and cash equivalents	7,082,000	6,941,000
Cash and cash equivalents at beginning of year	120,493,000	100,914,000
Cash and cash equivalents at end of period	127,575,000	107,855,000
Supplemental Disclosures
Interest	6,356,000	6,608,000
Income taxes	3,850,000	1,318,000
Transfers from loans to other real estate	1,640,000	1,192,000
Sale and financing of other real estate	3,050,000	403,000
Cash dividends payable, common stock	525,000
Cancelation of investment in Farmers Capital Bank Trust II	464,000
Extinguishment of subordinated notes payable to Farmers Capital Bank Trust II	$ 15,464,000