Income Taxes Company's uncertain tax positions (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Balance as of the beginning of the year	$ 1,359	$ 2,138
Tax positions related to current year:
Additions	147	76
Reductions	(18)	(48)
Tax positions related to prior years:
Additions	7,991	0
Reductions	(28)	(232)
Settlements	0	0
Lapses in statute of limitations	(385)	(575)
Balance as of the end of the year	9,066	1,359	$ 2,138
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	409
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	74
Unrecognized tax benfits, reduction in accrued interest and penalties	$ 25	$ 35	$ 6