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Long-Term Borrowings and Subordinated Debt (Tables) | 12 Months Ended
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Dec. 31, 2020
Debt Disclosure [Abstract] |
Schedule of Long-Term Borrowings, Interest Expense and Weighted Average Interest Rate | The following table represents the balance of long-term borrowings, the weighted average interest rate as of December 31 and interest expense for the years ended December 31:
(dollars in thousand) | 2020 |  | 2019 |  | 2018
Long-term borrowings | $ | 23,681 |  |  | $ | 50,868 |  |  | $ | 70,314 |
Weighted average interest rate | 2.03 | % |  | 2.60 | % |  | 2.84 | %
Interest expense | $ | 1,201 |  |  | $ | 1,831 |  |  | $ | 1,129 |
Schedule of Annual Maturities and Average Interest Rate of Long-Term Debt | Scheduled annual maturities and average interest rates for all of our long-term debt for each of the five years subsequent to December 31, 2020 and thereafter are as follows:
(dollars in thousands) | Balance |  | Average Rate
2021 | $ | 1,251 |  |  | 3.67 | %
2022 | 7,689 |  |  | 2.27 | %
2023 | 464 |  |  | 5.72 | %
2024 | 13,381 |  |  | 1.35 | %
2025 | 80 |  |  | 5.82 | %
Thereafter | 816 |  |  | 6.02 | %
Total | $ | 23,681 |  |  | 2.03 | %
Schedule of Junior Subordinated Debt Securities and Interest Expense | The following table represents the composition of junior subordinated debt securities at December 31 and the interest expense for the years ended December 31:
| 2020 |  | 2019 |  | 2018
(dollars in thousands) | Balance |  | Interest Expense |  | Balance |  | Interest Expense |  | Balance |  | Interest Expense
Junior subordinated debt | $ | 34,750 |  |  | $ | 1,007 |  |  | $ | 34,753 |  |  | $ | 1,059 |  |  | $ | 25,000 |  |  | $ | 951 |
Junior subordinated debt—trust preferred securities | 29,333 |  |  | 1,279 |  |  | 29,524 |  |  | 1,251 |  |  | 20,619 |  |  | 1,149 |
Total | $ | 64,083 |  |  | $ | 2,286 |  |  | $ | 64,277 |  |  | $ | 2,310 |  |  | $ | 45,619 |  |  | $ | 2,100 |
Schedule of Junior Subordinated Debt Securities | The following table summarizes the key terms of our junior subordinated debt securities:
(dollars in thousands) | 2001 Trust Preferred Securities |  | 2005 Trust Preferred Securities |  | 2015 Junior Subordinated Debt |  | 2006 Junior Subordinated Debt |  | 2008 Trust Preferred Securities
Junior Subordinated Debt | $— |  | $— |  | $9,750 |  | $25,000 |  | $—
Trust Preferred Securities | 5,155 |  | 4,124 |  | — |  | — |  | 20,619
Stated Maturity Date | 7/25/2031 |  | 5/23/2035 |  | 3/6/2025 |  | 12/15/2036 |  | 3/15/2038
Optional redemption date at par | Any time after 7/25/2011 |  | Any time after 5/23/2010 |  | Quarterly after 4/1/2020 |  | Any time after 9/15/2011 |  | Any time after 3/15/2013
Regulatory Capital | Tier 1 |  | Tier 1 |  | Tier 2 |  | Tier 2 |  | Tier 1
Interest Rate | 6 Month LIBOR plus 375 bps |  | 3 Month LIBOR plus 177 bps |  | fixed at 4.25% until 4/1/2020 then prime plus 100 bps |  | 3 month LIBOR plus 160 bps |  | 3 month LIBOR plus 350 bps
Interest Rate at December 31, 2020 | 4.06% |  | 1.98% |  | 4.25% |  | 1.82% |  | 3.72%

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- Definition Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer. + References Reference 1: 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 2: 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=119993939&loc=d3e28541-108399 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21506-112644 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(e),(f)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21521-112644 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21538-112644 Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 Reference 9: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 Reference 10: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644 + Details
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