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Right-Of-Use Assets and Lease Liabilities - Operating Leases and Finance Leases (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Leases [Abstract] |  |  |  |
Operating lease expense |  | $ 4,221 | $ 3,850 | $ 3,980
Amortization of ROU assets - finance leases |  | 101 | 44 | 43
Interest on lease liabilities - finance leases | [1] | 74 | 11 | 20
Total Lease Expense |  | 4,396 | $ 3,905 | $ 4,043
Operating Lease, Assets And Liabilities, Lessee [Abstract] |  |  |  |
ROU assets |  | 47,686 |  |
Operating cash flows |  | 5,028 |  |
Finance Leases |  |  |  |
ROU assets |  | 1,513 |  |
Operating cash flows |  | 47 |  |
Financing cash flows |  | $ 57 |  |
Weighted Average Lease Term - Years |  |  |  |
Operating leases |  | 19 years 2 months 4 days |  |
Finance leases |  | 12 years 1 month 28 days |  |
Weighted Average Discount Rate |  |  |  |
Operating leases |  | 5.94% |  |
Finance leases |  | 5.73% |  |
[1] | Included in borrowings interest expense in our Consolidated Statements of Net Income. All other lease costs in this table are included in net occupancy expense.

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- Definition Amount of interest expense on finance lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918638-209977 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971 + Details
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- Definition Amount of lessee's right to use underlying asset under finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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- Definition Amount of amortization expense attributable to right-of-use asset from finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918638-209977 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971 + Details
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