Income Taxes Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Income Taxes [Line Items]
Long term deferred tax liabilities	$ 298,400	$ 248,700
Valuation allowance, foreign operating loss carryforwards	8,147	8,648
Valuation allowance, deferred tax asset, foreign tax loss caryforwards	500
Unrecognized tax benefits, income tax penalties and interest accrued	3,800	4,300
Unrecognized tax benefits, net of associated tax assets and excluding federal tax benefit of state taxes, interest and penalties recorded in other liabilities	36,100	32,800
Asset associated with uncertain tax position recorded in other assets, net	16,700	16,500
Unrecognized tax benefits would impact effective tax rate	21,300	15,800
Undistributed earnings from foreign earnings	54,400
Deferred tax liability related to undistributed earnings from foreign earnings If the earnings of foreign subsidiaries were not indefinitely reinvested	19,000
Unrecognized tax benefits, decrease resulting from settlements with taxing authorities	1,159	$ 0
Foreign Tax Authority [Member]
Income Taxes [Line Items]
Net operating loss carryforwards	17,000
Net operating loss carryforward subject to expiration	$ 5,100
Foreign Tax Authority [Member] | Minimum [Member]
Income Taxes [Line Items]
Net operating loss carryforwards, expiration year	2017
Foreign Tax Authority [Member] | Maximum [Member]
Income Taxes [Line Items]
Net operating loss carryforwards, expiration year	2027
State and Local Jurisdiction
Income Taxes [Line Items]
Net operating loss carryforwards	$ 4,600
State and Local Jurisdiction | Minimum [Member]
Income Taxes [Line Items]
Net operating loss carryforwards, expiration year	2024
State and Local Jurisdiction | Maximum [Member]
Income Taxes [Line Items]
Net operating loss carryforwards, expiration year	2035
Deferred Tax Asset, Operating Loss Carryforwards, Domestic
Income Taxes [Line Items]
Valuation allowance, foreign operating loss carryforwards	$ 8,100