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Leases (Tables) | 9 Months Ended
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Sep. 30, 2021
Leases |
Schedule of Lease, Cost | Total lease cost consists of the following: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | 13 Weeks | ​ | 13 Weeks | ​ | 39 Weeks | ​ | 39 Weeks | ​
​ | ​ | ​ | ​ | Ended | ​ | Ended | ​ | Ended | ​ | Ended | ​
Lease Cost |  | Classification |  | September 30, 2021 |  | September 24, 2020 |  | September 30, 2021 |  | September 24, 2020 | ​
​ | ​ | ​ | ​ | (in thousands) | ​
Finance lease costs: |  |  |  | ​ | ​ |  | ​ |  | ​ | ​ | ​ |  | ​ |  | ​
Amortization of finance lease assets |  | Depreciation and amortization | ​ | $ | 677 | ​ | $ | 707 | ​ | $ | 2,057 | ​ | $ | 2,137 | ​
Interest on lease liabilities |  | Interest expense | ​ |  | 234 | ​ |  | 263 | ​ |  | 724 | ​ |  | 794 | ​
​ | ​ | ​ | ​ | $ | 911 | ​ | $ | 970 | ​ | $ | 2,781 | ​ | $ | 2,931 | ​
Operating lease costs: | ​ |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |
Operating lease costs | ​ | Rent expense | ​ | $ | 6,365 | ​ | $ | 6,357 | ​ | $ | 19,151 | ​ | $ | 19,236 |
Variable lease cost | ​ | Rent expense | ​ | ​ | 144 | ​ |  | 124 | ​ | ​ | (29) | ​ |  | 371 |
Short-term lease cost | ​ | Rent expense | ​ | ​ | 35 | ​ |  | 113 | ​ | ​ | 107 | ​ |  | 269 | ​
​ | ​ | ​ | ​ | $ | 6,544 | ​ | $ | 6,594 | ​ | $ | 19,229 | ​ | $ | 19,876 |
Schedule of Other Information Related to Leases | Additional information related to leases is as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 13 Weeks | ​ | 13 Weeks |  | 39 Weeks | ​ | 39 Weeks
​ | ​ | Ended | ​ | Ended | ​ | Ended | ​ | Ended
Other Information |  | September 30, 2021 |  | September 24, 2020 |  | September 30, 2021 |  | September 24, 2020
​ | ​ | (in thousands)
Cash paid for amounts included in the measurement of lease liabilities: |  | ​ |  | ​ | ​ | ​ |  | ​ |  | ​ | ​ | ​
Financing cash flows from finance leases | ​ | $ | 736 | ​ | $ | 584 | ​ | $ | 2,065 | ​ | $ | 1,389
Operating cash flows from finance leases | ​ |  | 234 | ​ | ​ | 263 | ​ |  | 724 | ​ | ​ | 794
Operating cash flows from operating leases | ​ |  | 8,253 | ​ | ​ | 4,963 | ​ |  | 23,545 | ​ | $ | 11,376
​ | ​ |  | ​ | ​ | ​ | ​ | ​ |  | ​ | ​ | ​ | ​
Right of use assets obtained in exchange for new lease obligations: | ​ |  | ​ | ​ | ​ | ​ | ​ |  | ​ | ​ | ​ | ​
Finance lease liabilities | ​ |  | — | ​ | ​ | 1,200 | ​ |  | — | ​ | ​ | 1,364
Operating lease liabilities | ​ |  | 287 | ​ | ​ | 14 | ​ |  | 1,862 | ​ | ​ | 9,644
​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | September 30, 2021 | ​ | December 31, 2020
​ |  | (in thousands)
Finance leases: | ​ | ​ | ​ | ​ | ​ | ​
Property and equipment – gross | ​ | $ | 75,318 | ​ | $ | 75,322
Accumulated depreciation and amortization | ​ | ​ | (57,684) | ​ | ​ | (55,547)
Property and equipment - net | ​ | $ | 17,634 | ​ | $ | 19,775
Schedule of Lease Term and Discount Rate | Remaining lease terms and discount rates are as follows: ​
​ | ​ | ​ | ​ | ​
Lease Term and Discount Rate |  | September 30, 2021 |  | December 31, 2020
Weighted-average remaining lease terms: |  |  | ​ | ​
Finance leases |  | 8 years | ​ | 9 years
Operating leases |  | 14 years | ​ | 15 years
​ | ​ | ​ | ​ | ​
Weighted-average discount rates: |  | ​ | ​ | ​
Finance leases |  | 4.58% | ​ | 4.62%
Operating leases |  | 4.52% | ​ | 4.53%
​

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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980 + Details
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