Derivative Instrument, Cash proceeds from Termination, Interest Rate Swap

No definition available.

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- Definition

Derivative Instrument, Termination of Interest Rate Swap

+ References

No definition available.

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- Definition

The portion of the amount of interest expense charged against earnings during the period representing the amount of net gain or loss recognized attributable to the monthly recurring contractual settlements of interest rate swap agreements.

+ References

No definition available.

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- Definition

The net notional amount of interest rate swap agreements, which relate to the currency amounts specified in the related agreement.

+ References

No definition available.

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- Definition

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

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- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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- Definition

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

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- Definition

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).

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- Definition

Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

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Derivative Instruments (Details 3) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Derivative Instruments (Details 3) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Mar. 09, 2017
Effect of Derivative Instruments on Consolidated Statements of Income and Consolidated Statements of Comprehensive Income
Net Notional Amount of Interest Rate Swaps					$ 400,000
Fair value of derivative instruments (assets)		$ 7,376	$ 5,743
Fair value of derivative instruments (liabilities)		2,503	9,404
Realized loss on derivative instruments, net		900	3,438	$ 5,496
Non-designated interest rate swaps		(1,397)	(4,405)	2,240
Write-off of debt costs		6,973	141	1,170
Interest rate swap agreements
Effect of Derivative Instruments on Consolidated Statements of Income and Consolidated Statements of Comprehensive Income
Net Notional Amount of Interest Rate Swaps		1,740,800
Derivative Instrument, Notional Amount of Termination, Interest Rate Swap	$ 193,100
Derivative Instrument, Cash proceeds from Termination, Interest Rate Swap	2,100
Interest rate swap agreements \| Derivatives Not Designated as Hedging Instruments
Effect of Derivative Instruments on Consolidated Statements of Income and Consolidated Statements of Comprehensive Income
Fair value of derivative instruments (assets)		3,822	5,217
Fair value of derivative instruments (liabilities)		0	676
Interest rate swap agreements \| Designated as Hedging Instrument [Member]
Effect of Derivative Instruments on Consolidated Statements of Income and Consolidated Statements of Comprehensive Income
Fair value of derivative instruments (assets)		3,554	526
Fair value of derivative instruments (liabilities)		2,503	8,728
Non-designated interest rate swaps		(1,397)	(4,405)	2,240
Interest rate swap agreements \| Designated as Hedging Instrument [Member] \| Other comprehensive loss (income)
Effect of Derivative Instruments on Consolidated Statements of Income and Consolidated Statements of Comprehensive Income
Designated interest rate swaps		600	(46,900)	0
Interest rate swap agreements \| Designated as Hedging Instrument [Member] \| Interest expense
Effect of Derivative Instruments on Consolidated Statements of Income and Consolidated Statements of Comprehensive Income
Designated interest rate swaps		$ 600	$ 1,000	$ 0
Interest Rate Cap [Member]
Effect of Derivative Instruments on Consolidated Statements of Income and Consolidated Statements of Comprehensive Income
Net Notional Amount of Interest Rate Swaps	$ 69,200