Recently Issued and Adopted Accounting Pronouncements Recently Issued and Adopted Accounting Pronouncements (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Jan. 01, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Lease liabilities	$ 23,718
Right-of-use assets, net - Operating leases	$ 21,973
Accounting Standards Update 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Lease liabilities		$ 24,700
Right-of-use assets, net - Operating leases		$ 23,000