Intangible Assets and Liabilities - Future Amortization of Intangibles (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Assets
2020	$ 56,609
2021	43,795
2022	33,695
2023	27,472
2024	22,656
Thereafter	93,625
Total	277,852	$ 372,909
Liabilities
2020	7,138
2021	4,955
2022	4,346
2023	3,719
2024	3,160
Thereafter	15,461
Total	$ 38,779	$ 61,146

Finite Lived Intangible Liabilities, Accumulated Income, After Year Five

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Finite Lived Intangible Liabilities, Accumulated Income, Next Twelve Months

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Finite Lived Intangible Liabilities, Accumulated Income, Year Four

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Finite Lived Intangible Liabilities, Accumulated Income, Year Three

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Finite Lived Intangible Liabilities, Accumulated Income, Year Two

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Finite-Lived Intangible Liabilities, Amortization Expense, Next Twelve Months [Abstract]

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Finite Lived Intangible Liabilities, Amortization Income, Year Five

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Finite-Lived Intangible Liabilities, Net

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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