Recent Accounting Pronouncements (Details) - USD ($) $ in Thousands			3 Months Ended
		Jan. 01, 2019	Mar. 31, 2019	[1]	Mar. 31, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect adjustment			$ 256		$ 26	[2]
ASU 2016-02 and ASU 2018-11
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Lease right-of-use assets		$ 30,500
Lease liabilities		30,500
Cumulative effect adjustment		$ 300
Retained earnings [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Reclassification of certain tax effects from accumulated other comprehensive income	[3]				1,479
Cumulative effect adjustment			$ 256		$ 26	[2]

[1] Related to the adoption of Accounting Standards Update No. 2016-02, Leases. Refer to note 2 - Recent Accounting Pronouncements of our consolidated financial statements for further details.

[2] Related to the adoption of Accounting Standards Update No. 2017-12, Derivatives and Hedging: Targeted Improvements to Accounting for Hedging Activities.

[3] Related to the adoption of Accounting Standards Update No. 2018-02, Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income.