Segment Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Segment Reporting Information [Line Items]
Goodwill and other intangibles	$ 9,960		$ 9,960		$ 10,343
Total assets	1,133,286		1,133,286		1,137,326
Net interest income	8,952	9,039	17,808	18,007
Provision for loan losses	300	170	630	425
Service fees, security gains and other noninterest income	3,797	3,225	7,230	6,100
Noninterest expense	9,378	9,822	18,519	18,910
Income before taxes	3,071	2,272	5,889	4,772
INCOME TAXES	720	404	1,347	899
NET INCOME	2,351	1,868	4,542	3,873
Trust Segment
Segment Reporting Information [Line Items]
Goodwill and other intangibles	5,463		5,463		5,639
Total assets	12,352		12,352		11,572
Net interest income	14	11	26	23
Provision for loan losses	0	0	0	0
Service fees, security gains and other noninterest income	1,574	1,413	3,091	2,778
Noninterest expense	1,193	1,308	2,380	2,498
Income before taxes	395	116	737	303
INCOME TAXES	135	40	253	105
NET INCOME	260	76	484	198
Bank Segment
Segment Reporting Information [Line Items]
Goodwill and other intangibles	0		0		0
Total assets	1,115,443		1,115,443		1,120,091
Net interest income	8,941	9,032	17,789	17,991
Provision for loan losses	300	170	630	425
Service fees, security gains and other noninterest income	1,756	1,732	3,294	3,292
Noninterest expense	7,471	7,948	14,734	15,632
Income before taxes	2,926	2,646	5,719	5,226
INCOME TAXES	662	530	1,279	1,051
NET INCOME	2,264	2,116	4,440	4,175
Retirement Consulting Segment
Segment Reporting Information [Line Items]
Goodwill and other intangibles	4,497		4,497		4,704
Total assets	5,198		5,198		5,090
Net interest income	0	0	0	0
Provision for loan losses	0	0	0	0
Service fees, security gains and other noninterest income	555	0	998	0
Noninterest expense	407	0	824	0
Income before taxes	148	0	174	0
INCOME TAXES	50	0	59	0
NET INCOME	98	0	115	0
Eliminations And Others
Segment Reporting Information [Line Items]
Goodwill and other intangibles	0		0		0
Total assets	293		293		573
Net interest income	(3)	(4)	(7)	(7)
Provision for loan losses	0	0	0	0
Service fees, security gains and other noninterest income	(88)	80	(153)	30
Noninterest expense	307	566	581	780
Income before taxes	(398)	(490)	(741)	(757)
INCOME TAXES	(127)	(166)	(244)	(257)
NET INCOME	$ (271)	$ (324)	$ (497)	$ (500)