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Summary of Significant Accounting Policies Narrative (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) segment	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Jan. 01, 2019 USD ($)
Accounting Policies [Line Items]
Operating lease, right-of-use assets	$ 29,307
Lease liabilities	29,307
Capitalized internal leasing costs	5,100
Deferred revenue	2,700	$ 4,100
Advertising and marketing expense	9,700	8,900	$ 7,600
Capitalized interest	$ 1,400	$ 1,600	$ 500
Number of reportable segments (segment) | segment	2
Building and Building Improvements
Accounting Policies [Line Items]
Useful life (in years)	39 years
Corporate Equipment | Minimum
Accounting Policies [Line Items]
Useful life (in years)	3 years
Corporate Equipment | Maximum
Accounting Policies [Line Items]
Useful life (in years)	7 years
ASU 2016-02
Accounting Policies [Line Items]
Operating lease, right-of-use assets				$ 29,500
Lease liabilities				$ 29,500

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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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Present value of lessee's discounted obligation for lease payments from operating lease.

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