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v3.19.2

Derivatives (Narrative) (Details) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2019 USD ($) item | Jun. 30, 2018 USD ($) | Dec. 31, 2018 USD ($)
Derivative [Line Items] |  |  |
Notional amount of derivatives | $ 3,215,143 |  | $ 3,024,565
Fair value liability | 6,600 |  | 7,300
Derivatives Designated as Hedging Instruments [Member] |  |  |
Derivative [Line Items] |  |  |
Notional amount of derivatives | 1,238,110 |  | 1,358,110
Interest Rate Swaps [Member] | Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedge [Member] |  |  |
Derivative [Line Items] |  |  |
Notional amount of derivatives | 1,075,000 |  | $ 875,000
Termination fees | 10,600 |  |
Amortization of accumulated other comprehensive loss on terminated cash flow hedges | $ 2,500 | $ 2,500 |
Interest Rate Swaps [Member] | Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedge [Member] | Swap Agreement One To Five [Member] |  |  |
Derivative [Line Items] |  |  |
Number of interest rate swap agreements | item | 5 |  |
Number of interest rate swap terminated | item | 5 |  |
Notional amount of derivatives | $ 450,000 | $ 450,000 |
Interest Rate Swaps [Member] | Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedge [Member] | Swap Agreement 4, Expires 2021 [Member] |  |  |
Derivative [Line Items] |  |  |
Notional amount of derivatives | $ 50,000 |  |
Derivative maturity expiration year | 2021 |  |
Interest Rate Swaps [Member] | Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedge [Member] | Swap Agreement 1, Expires 2022 [Member] |  |  |
Derivative [Line Items] |  |  |
Notional amount of derivatives | $ 475,000 |  |
Derivative maturity expiration year | 2022 |  |
Interest Rate Swaps [Member] | Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedge [Member] | Swap Agreement 2, Expires 2023 [Member] |  |  |
Derivative [Line Items] |  |  |
Notional amount of derivatives | $ 450,000 |  |
Derivative maturity expiration year | 2023 |  |
Interest Rate Swaps [Member] | Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedge [Member] | Swap Agreement 3, Expires 2024 [Member] |  |  |
Derivative [Line Items] |  |  |
Notional amount of derivatives | $ 100,000 |  |
Derivative maturity expiration year | 2024 |  |

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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