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Subordinated Notes (Details) - USD ($) |  |  |  | 12 Months Ended
--- | --- | --- | --- | ---
Aug. 15, 2021 | Jun. 10, 2020 | Aug. 08, 2016 | Dec. 31, 2021 | Dec. 31, 2020
Subordinated Borrowing [Line Items] |  |  |  |  |
Public offering and sale of subordinated notes |  | $ 75,000,000.0 | $ 75,000,000.0 |  |
Subordinated note interest rate |  | 5.50% | 5.25% |  |
Amortization of debt discount (Premium) |  |  |  | $ 587,000 | $ 608,000
Subordinated borrowing, interest rate |  |  |  | 5.97% | 5.84%
Senior Subordinated Notes |  |  |  |  |
Subordinated Borrowing [Line Items] |  |  |  |  |
Proceeds from issuance of senior long-term debt |  | $ 73,500,000 | $ 73,500,000 |  |
Payment of financing and stock issuance costs |  | $ 1,500,000 | $ 1,500,000 |  |
Expected life of the notes |  | 5 years | 5 years |  |
Principal amount redeemed | $ 75,000,000.0 |  |  |  |
Redemption price as percentage of aggregate principal balance | 100.00% |  |  |  |
Spread on variable rate, plus 3 months SOFR |  | 5.325% |  |  |
Senior Subordinated Notes | 90-day LIBOR |  |  |  |  |
Subordinated Borrowing [Line Items] |  |  |  |  |
Spread on variable rate |  |  | 4.087% |  |

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- Definition Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28541-108399 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1F -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495355-112611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227 + Details
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- Definition The total of the cash outflow during the period which has been paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt and the cost incurred directly for the issuance of equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3291-108585 + Details
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