Segment Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Segment Reporting Information [Line Items]
Goodwill and other intangibles	$ 10,151		$ 10,343
Total assets	1,141,000		1,137,326
Net interest income	8,856	8,968
Provision for loan losses	330	255
Service fees, security gains and other noninterest income	3,433	2,875
Noninterest expense	9,141	9,088
Income before taxes	2,818	2,500
INCOME TAXES	627	495
NET INCOME	2,191	2,005
Trust Segment
Segment Reporting Information [Line Items]
Goodwill and other intangibles	5,551		5,639
Total assets	12,362		11,572
Net interest income	12	12
Provision for loan losses	0	0
Service fees, security gains and other noninterest income	1,517	1,365
Noninterest expense	1,187	1,190
Income before taxes	342	187
INCOME TAXES	118	65
NET INCOME	224	122
Bank Segment
Segment Reporting Information [Line Items]
Goodwill and other intangibles	0		0
Total assets	1,123,126		1,120,091
Net interest income	8,848	8,959
Provision for loan losses	330	255
Service fees, security gains and other noninterest income	1,538	1,560
Noninterest expense	7,263	7,684
Income before taxes	2,793	2,580
INCOME TAXES	617	521
NET INCOME	2,176	2,059
Retirement Consulting Segment
Segment Reporting Information [Line Items]
Goodwill and other intangibles	4,600		4,704
Total assets	5,100		5,090
Net interest income	0	0
Provision for loan losses	0	0
Service fees, security gains and other noninterest income	443	0
Noninterest expense	417	0
Income before taxes	26	0
INCOME TAXES	9	0
NET INCOME	17	0
Eliminations And Others
Segment Reporting Information [Line Items]
Goodwill and other intangibles	0		0
Total assets	412		573
Net interest income	(4)	(3)
Provision for loan losses	0	0
Service fees, security gains and other noninterest income	(65)	(50)
Noninterest expense	274	214
Income before taxes	(343)	(267)
INCOME TAXES	(117)	(91)
NET INCOME	$ (226)	$ (176)