Segment and Related Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014 Segment	Jun. 30, 2013	Dec. 31, 2013
Segment and Related Information [Abstract]
Number of reportable segments			2
Segment Reporting Information [Line Items]
Interest income	$ 11,780	$ 13,347	$ 23,734	$ 26,756
Interest expense	1,429	1,654	2,924	3,381
Noninterest income	2,700	2,686	5,403	5,456
Operating income (loss) before income taxes	4,536	5,951	9,275	11,791
Net income (loss)	3,233	4,210	6,683	8,361
Depreciation and amortization	753	851	1,518	1,695
Total assets	1,300,648	1,294,017	1,300,648	1,294,017	1,307,512
Capital expenditures	147	402	266	580
Community Banking [Member]
Segment Reporting Information [Line Items]
Interest income	11,765	13,347	23,704	26,756
Interest expense	1,244	1,465	2,555	3,004
Noninterest income	1,539	1,608	2,970	3,686
Operating income (loss) before income taxes	4,079	5,558	8,150	11,329
Net income (loss)	2,891	3,918	5,840	8,009
Depreciation and amortization	751	847	1,513	1,687
Total assets	1,298,664	1,292,099	1,298,664	1,292,099
Capital expenditures	147	402	266	580
Trust and Investment Services [Member]
Segment Reporting Information [Line Items]
Interest income	0	0	0	0
Interest expense	0	0	0	0
Noninterest income	1,156	1,073	2,423	1,760
Operating income (loss) before income taxes	777	682	1,651	978
Net income (loss)	553	483	1,190	693
Depreciation and amortization	2	4	5	8
Total assets	0	0	0	0
Capital expenditures	0	0	0	0
Other [Member]
Segment Reporting Information [Line Items]
Interest income	15	0	30	0
Interest expense	185	189	369	377
Noninterest income	5	5	10	10
Operating income (loss) before income taxes	(320)	(289)	(526)	(516)
Net income (loss)	(211)	(191)	(347)	(341)
Depreciation and amortization	0	0	0	0
Total assets	199,621	190,373	199,621	190,373
Capital expenditures	0	0	0	0
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Interest income	0	0	0	0
Interest expense	0	0	0	0
Noninterest income	0	0	0	0
Operating income (loss) before income taxes	0	0	0	0
Net income (loss)	0	0	0	0
Depreciation and amortization	0	0	0	0
Total assets	(197,637)	(188,455)	(197,637)	(188,455)
Capital expenditures	$ 0	$ 0	$ 0	$ 0