Derivative Financial Instruments - Schedule of Derivative Results (Details) - Cash Flow Hedging - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Interest Rate Swap
Derivative [Line Items]
Loss Recognized as AOCI on Derivatives, Net of Tax (Effective Portion)	$ (1,422)	$ 1,422	$ 1,538
Loss Reclassified from AOCI into Earnings, Net of Tax (Effective Portion)	1,191	1,547	1,139
Cross Currency Swap Agreements
Derivative [Line Items]
Loss Recognized as AOCI on Derivatives, Net of Tax (Effective Portion)	2,283	0	0
Loss Reclassified from AOCI into Earnings, Net of Tax (Effective Portion)	$ 3,449	$ 0	$ 0

Amount before tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=114867106&loc=d3e637-108580

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=109978405&loc=d3e80720-113993

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 10A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669646-108580

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