[Line Items] for Significant Accounting Policies [Table]

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- Definition

Amount of increase (decrease) in accumulated other comprehensive income (AOCI) for reclassification to retained earnings of tax effect from remeasurement of deferred tax pursuant to Tax Cuts and Jobs Act of 2017.

+ References

No definition available.

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- Definition

The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=112277219&loc=d3e80748-113994

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- Definition

Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

+ References

No definition available.

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- Definition

Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958

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- Definition

Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959

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Significant Accounting Polices (Details) - USD ($) $ in Thousands		3 Months Ended			9 Months Ended
	Jul. 01, 2018	Sep. 30, 2018	Mar. 31, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016
Significant Accounting Policies [Line Items]
Loss expected to be reclassified to interest expense in next 12 months					$ 7,000
Increase to hedged deposit balances		$ 33,000			33,000		$ 20,000
Cumulative effect of adoption of accounting principle								$ 165
(Losses) gains on derivatives and hedging activities, net		(4,949)		$ 1,661	(6,325)	$ (7,326)
Retained Earnings
Significant Accounting Policies [Line Items]
Cumulative effect of adoption of accounting principle								$ (264)
Reclassification resulting from the adoption of tax cuts and jobs act			$ 600		(592)
Accumulated Other Comprehensive Income
Significant Accounting Policies [Line Items]
Reclassification resulting from the adoption of tax cuts and jobs act			$ 600		592
Accounting Standards Update 2017-12
Significant Accounting Policies [Line Items]
Cumulative effect of adoption of accounting principle							1,052
Accounting Standards Update 2017-12 \| Retained Earnings
Significant Accounting Policies [Line Items]
Cumulative effect of adoption of accounting principle							782
Accounting Standards Update 2017-12 \| Accumulated Other Comprehensive Income
Significant Accounting Policies [Line Items]
Cumulative effect of adoption of accounting principle							$ 270
Fair Value Hedges \| Accounting Standards Update 2017-12
Significant Accounting Policies [Line Items]
Increase to hedged deposit balances	$ 2,000
(Losses) gains on derivatives and hedging activities, net	(3,000)
Fair Value Hedges \| Accounting Standards Update 2017-12 \| Retained Earnings
Significant Accounting Policies [Line Items]
Cumulative effect of adoption of accounting principle	$ 1,000
Cash Flow Hedges \| Accounting Standards Update 2017-12 \| Retained Earnings
Significant Accounting Policies [Line Items]
Cumulative effect of adoption of accounting principle		(300)			(300)
Cash Flow Hedges \| Accounting Standards Update 2017-12 \| Accumulated Other Comprehensive Income
Significant Accounting Policies [Line Items]
Cumulative effect of adoption of accounting principle		$ 300			$ 300