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Subordinated Notes (Details) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2020 | Aug. 20, 2020 | Dec. 31, 2019
Subordinated Borrowing [Line Items] |  |  |
Basis spread on variable rate (percent) | 1.48% |  |
Long-term Debt, Gross |  | $ 175,000 |
Debt Instrument, Interest Rate, Stated Percentage |  | 4.50% |
Long-term Debt | $ 32,500 |  | $ 192,500
Debt Issuance Costs, Gross |  | $ 2,400 |
Subordinated debt |  |  |
Subordinated Borrowing [Line Items] |  |  |
Basis spread on variable rate (percent) | 4.39% |  |
Long-term Debt | $ 172,800 |  |
Trust I |  |  |
Subordinated Borrowing [Line Items] |  |  |
Preferred securities issued | 15,000 |  |
Junior subordinated notes |  |  |
Subordinated Borrowing [Line Items] |  |  |
Junior subordinated debt purchased by Trust I | $ 15,500 |  |

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
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