Recent Accounting Pronouncements (Narrative) (Details) - USD ($) $ in Thousands		Mar. 31, 2019	Jan. 01, 2019	Dec. 31, 2018	[2]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Other assets	[1]	$ 91,804	$ 93,796	$ 50,523
Liabilities		44,939	43,300
Previously Reported [Member] | Accounting Standards Update 2016-02 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Other assets	[1]	49,916
Reclassification [Member] | Accounting Standards Update 2016-02 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Other assets	[1]	$ 41,888	$ 43,273

[1] Prior to the adoption of ASC 842, operating lease ROU assets and current and long-term operating lease liabilities were not recorded on the Condensed Consolidated Balance Sheets.

[2] Balance as previously reported on the Company's Annual Report on Form 10-K for the year ended December 31, 2018.