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Leases (Tables)
3 Months Ended
Mar. 31, 2020
Leases  
Schedule of operating lease balance sheet information

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Leases

    

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March 31, 

 

December 31, 

(in thousands)

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Classification

​

2020

 

2019

Assets

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​

​

  

​

​

  

Operating

​

Operating lease right-of-use asset

​

$

15,059

​

$

15,704

Finance

​

Finance lease right-of-use asset

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​

53,441

​

​

54,048

Total lease assets

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​

​

$

68,500

​

$

69,752

Liabilities

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​

​

  

Current

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​

​

​

​

​

​

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Operating

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Accrued liabilities

​

$

2,401

​

$

2,401

Finance

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Accrued liabilities

​

​

—

​

​

—

Noncurrent

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​

​

​

​

​

​

​

Operating

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Operating lease liability

​

​

13,601

​

​

14,195

Finance

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Finance lease liability

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​

59,316

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​

58,435

Total lease liabilities

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​

$

75,318

​

$

75,031

Schedule of component of lease expense

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Three Months Ended

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Three Months Ended

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Lease Cost

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March 31, 

​

March 31, 

​

(in thousands)

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Classification

​

2020

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2019

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Fixed operating lease cost

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Selling, general and administrative expenses

​

$

938

(a)

$

938

(a)

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​

​

​

​

​

​

​

​

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Finance lease cost

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Amortization of right-of-use asset included in Selling, General and Administrative Expenses

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$

607

​

$

607

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Finance lease cost

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Interest on lease liability

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$

881

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$

881

​

(a)Includes short-term leases, which are immaterial.
Schedule of maturity of lease liability

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Maturity of Lease Liabilities

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Operating

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Finance

(in thousands)

    

Leases (a)

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Leases (b)

Remainder of 2020

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$

2,412

​

$

—

2021

​

​

3,197

​

​

—

2022

​

​

3,123

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​

—

2023

​

​

2,230

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​

3,543

2024

​

​

2,023

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​

5,184

2025

​

​

2,052

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​

5,340

2026

​

​

2,112

​

​

5,500

Thereafter

​

​

2,111

​

​

107,522

Total lease payments

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$

19,260

​

$

127,089

Less: imputed interest

​

​

3,258

​

​

67,773

Total lease liabilities

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$

16,002

​

$

59,316

(a)Operating lease payments include $12.0 million related to options to extend lease terms that are reasonably certain of being exercised.
(b)Finance lease payments include $75.8 million related to options to extend lease terms that are reasonably certain of being exercised.
Schedule of operating lease weighted average lease term and discount rate

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Lease Term and Discount Rate

    

2020

Weighted-average remaining lease term (years)

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​

Operating leases

​

6.4

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Finance leases

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22.0

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Weighted-average discount rate

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​

Operating leases

​

5.5

%

Finance leases

​

6.0

%

Schedule of operating lease supplemental cash flow information

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Three Months Ended

 

Three Months Ended

Other Information

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March 31, 

 

March 31, 

(in thousands)

​

2020

 

2020

Cash paid for amounts included in the measurement of lease liabilities:

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​

​

​

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Operating cash flows from operating leases

​

$

864

​

$

531

Right-of-use asset obtained in exchange for lease obligations:

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​

​

​

​

​

Operating lease

​

$

61

​

$

61