Summary of Selected Significant Accounting Policies. (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013 item	Sep. 30, 2012	Sep. 30, 2013 item	Sep. 30, 2012	Dec. 31, 2012
Revenue recognition
Maximum revenues generated from ancillary services as a percentage of total revenues			5.00%
Earnings per common share
Maximum outstanding share-based options which could be included in diluted EPS (in shares)	598,750	660,850	598,750	660,850
Maximum outstanding warrants which could be included in diluted EPS (in shares)			75,000	75,000
Basic Earnings Per Share:
Income from continuing operations	$ 706	$ 498	$ 1,379	$ 1,247
Weighted average common shares	8,825,335	8,871,635	8,826,375	8,871,635
Basic earnings per share (in dollars per share)	$ 0.08	$ 0.06	$ 0.16	$ 0.14
Diluted Earnings Per Share:
Income from continuing operations	706	498	1,379	1,247
Weighted average common shares	8,825,335	8,871,635	8,826,375	8,871,635
Addition due to the effect of dilutive securities:
Stock options and warrants (in shares)	11	13	11	13
Stock issuable under the Deferred Compensation Plan (in shares)	226,441	150,698	226,441	150,698
Dilutive potential weighted average common shares	9,051,787	9,022,346	9,052,827	9,022,346
Diluted earnings per share (in dollars per share)	$ 0.08	$ 0.06	$ 0.15	$ 0.14
Goodwill
Number of reporting units over which goodwill has been allocated	2		2
Property and Equipment
Property and equipment, gross	48,534		48,534		46,944
Less accumulated depreciation and amortization	(13,305)		(13,305)		(12,877)
Property and equipment, net	35,229		35,229		34,067
Impairment for long-lived assets
Impairment losses related to long-lived assets			0	0
Land
Property and Equipment
Property and equipment, gross	2,844		2,844		2,691
Building and improvements
Property and Equipment
Property and equipment, gross	32,953		32,953		31,131
Building and improvements | Minimum
Property and Equipment
Estimated Useful Life			5 years
Building and improvements | Maximum
Property and Equipment
Estimated Useful Life			50 years
Furniture, fixtures and other equipment
Property and Equipment
Property and equipment, gross	$ 12,737		$ 12,737		$ 13,122
Furniture, fixtures and other equipment | Minimum
Property and Equipment
Estimated Useful Life			4 years
Furniture, fixtures and other equipment | Maximum
Property and Equipment
Estimated Useful Life			12 years