Note 13. Stockholders' Equity (Details) - USD ($) shares in Thousands, $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Payments for repurchases of common stock	$ 3,522	$ 1,722
Private Placement Member
Treasury Stock, Shares, Acquired	215
Payments for repurchases of common stock	$ 3,522