Consolidated Statements of Earnings - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Interest income:
Loans, including fees	$ 71,633	$ 72,327	$ 71,016
Investment securities:
Taxable	7,559	8,100	8,609
Nontaxable	2,188	2,637	3,184
Other interest income	517	423	394
Total interest income	81,897	83,487	83,203
Interest expense:
Deposits	3,587	3,515	3,961
Short-term borrowings	1,017	840	816
Long-term borrowings	364	378	416
Junior subordinated debentures	613	1,074	1,346
Total interest expense	5,581	5,807	6,539
Net interest income	76,316	77,680	76,664
Provision for loan losses	13,900	5,625	3,050
Net interest income after provision for loan losses	62,416	72,055	73,614
Noninterest income:
Service charges on deposit accounts	8,636	9,780	9,225
ATM and debit card income	7,350	7,209	6,400
Gain on securities, net	1,243	128	234
Executive officer life insurance proceeds	0	3,000	0
Other charges and fees	3,092	2,843	2,963
Total noninterest income	20,321	22,960	18,822
Noninterest expenses:
Salaries and employee benefits	32,036	33,847	34,182
Occupancy expense	15,052	15,064	15,112
ATM and debit card expense	2,951	2,889	2,399
Other	17,098	16,747	20,416
Total noninterest expense	67,137	68,547	72,109
Income before income taxes	15,600	26,468	20,327
Income tax expense	4,583	7,358	6,151
Net earnings	11,017	19,110	14,176
Dividends on preferred stock	687	698	1,332
Net earnings available to common stockholders	$ 10,330	$ 18,412	$ 12,844
Earnings per common share:
Basic (in dollars per share)	$ 0.91	$ 1.63	$ 1.14
Diluted (in dollars per share)	$ 0.90	$ 1.58	$ 1.12