Operating & Finance Leases (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Leases [Abstract]
Finance Lease, Amortization of right-of-use assets	$ 321	$ 321	$ 642	$ 642
Finance Lease, Interest on lease liabilities	1,457	1,455	2,913	2,911
Operating lease cost	1,552	1,493	3,111	2,997
Variable lease cost	70	129	157	220
Total Lease Cost	3,400	3,398	6,823	6,770
Operating cash flows for finance leases	1,439	1,433	2,872	2,893
Operating cash flows for operating leases	1,261	1,268	2,811	2,779
Financing cash flows for finance leases	$ 11	$ 16	$ 22	$ 41
Weighted-average remaining lease term - finance leases	17 years 8 months 12 days	18 years 7 months 6 days	17 years 8 months 12 days	18 years 7 months 6 days
Weighted-average remaining lease term - operating leases	53 years 2 months 12 days	53 years 8 months 12 days	53 years 2 months 12 days	53 years 8 months 12 days
Weighted-average discount rate - finance leases	8.00%	8.00%	8.00%	8.00%
Weighted-average discount rate - operating leases	4.40%	4.50%	4.40%	4.50%

Amount of interest expense on finance lease liability.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
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Amount of interest paid on finance lease liability.

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Amount of cash outflow for principal payment on finance lease.

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Amount of amortization expense attributable to right-of-use asset from finance lease.

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Weighted average discount rate for finance lease calculated at point in time.

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Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of lease cost recognized by lessee for lease contract.

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Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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Weighted average discount rate for operating lease calculated at point in time.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.

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