Note 2. Global Accident Facilities, LLC (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended								8 Months Ended	9 Months Ended	12 Months Ended
	Apr. 30, 2015	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Payments to Acquire Businesses, Gross												$ (511)	$ 0	$ 1,250
Nonmonetary Transaction, Gain (Loss) Recognized on Transfer	$ 1,195
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Contingent Liability		$ 885								$ 885	$ 885	885
Goodwill		5,703				$ 0				5,703	5,703	5,703	0
Business Combination, Consideration Transferred	$ 1,520
TOTAL REVENUES		47,368	$ 46,731	$ 45,610	$ 43,557	40,612	$ 41,157	$ 40,020	$ 43,087			183,266	164,876	153,273
Net income		470	$ 1,636	$ 938	$ 771	$ 2,066	$ 1,956	$ 443	$ 882			3,815	$ 5,347	$ 3,865
Fair Value, Inputs, Level 3
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Contingent Liability		885								885	885	885
GAF Acquiree Member
Business Combination, Step Acquisition, Equity Interest in Acquiree, Percentage	40.00%
Business Combination, Step Acquisition, Equity Interest in Acquiree, Including Subsequent Acquisition, Percentage	80.00%
Payments to Acquire Businesses, Gross	$ 325
Business Combination, Consideration Transferred, Other	1,195
Equity Method Investments	1,908
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Loss	692
Business Combunations Step Acquisition Equity Interest in Acquiree Fair Value 2	1,216
Goodwill	5,703
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	5,500
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value	608
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	(2,359)
TOTAL REVENUES											6,954
Net income											607
GAF Acquiree Member | Accounts Payable and Accrued Liabilities | Fair Value, Inputs, Level 3
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Contingent Liability	1,000	$ 885								885	$ 885	$ 885
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability										$ 115
GAF Acquiree Member | Other Income
Business Combination Step Acquisition Total Gain (loss)	$ 503