Description of Business and Significant Accounting Policies (Details) (USD $) In Thousands, unless otherwise specified	1 Months Ended	12 Months Ended							1 Months Ended	12 Months Ended
	Jul. 31, 2011	Dec. 31, 2013 segment subsidiary	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Autos And Trucks [Member]	Dec. 31, 2013 Minimum [Member]	Dec. 31, 2013 Minimum [Member] Laundry And Linen Equipment Installations [Member]	Dec. 31, 2013 Minimum [Member] Housekeeping, And Office Furniture And Equipment [Member]	Jan. 31, 2013 Maximum [Member]	Dec. 31, 2013 Maximum [Member]	Dec. 31, 2013 Maximum [Member] Laundry And Linen Equipment Installations [Member]	Dec. 31, 2013 Maximum [Member] Housekeeping, And Office Furniture And Equipment [Member]
Property, Plant and Equipment [Line Items]
Service agreement term		1 year
Days to notify cancellation of service						30 days				90 days
Initial period of service term		90 days
Number of reportable segments		2
Number of subsidiaries		2
Notes receivable		$ 2,892	$ 1,639
Discounted notes receivable		2,880	1,620
Marketable securities		11,445
Unrealized gains from marketable securities		49
Amortization period of inventories and supplies		24 months
Useful life					3 years		3 years	3 years			7 years	7 years
Depreciation expense		$ 3,373	$ 2,947	$ 2,416
Property and equipment payment terms						24 months				60 months
Percentage of reduction of Medicare payments to nursing centers	11.10%
Percentage of reduction of Medicare payments to plans and providers									2.00%
Percentage of revenue from a major client						3.00%				5.00%