Recent Accounting Pronouncements (Narrative) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Jan. 01, 2020	Dec. 31, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit losses	$ (32,538)		$ (26,849)
Accounts Receivable, Allowance for Credit Loss	$ (22,850)		$ (18,723)
Accounting Standards Update 2016-13 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit losses		$ 3,800
Accounts Receivable, Allowance for Credit Loss		1,000
Retained Earnings [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect of adoption of ASU No 2016-13, net of taxes		$ 3,827