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Borrowings - Summary of Information Pertaining to Borrowings (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
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Long Term And Short Term Debt [Line Items] |  |
Short-term borrowings, Balance | $ 125,706 | $ 301,207
Long-term borrowings, Balance | 113,144 | 115,145
Total Borrowings, Balance | $ 238,850 | $ 416,352
Short-term borrowings, Weighted Average Rate | 0.32% | 1.76%
Long-term borrowings, Weighted Average Rate | 2.79% | 3.15%
Total Borrowings, Weighted Average Rate | 1.49% | 2.14%
Securities sold under repurchase agreements |  |
Long Term And Short Term Debt [Line Items] |  |
Short-term borrowings, Balance | $ 42,706 | $ 19,888
Short-term borrowings, Weighted Average Rate | 0.25% | 0.74%
Short-term borrowings |  |
Long Term And Short Term Debt [Line Items] |  |
Short-term borrowings, Balance | $ 83,000 | $ 281,319
Short-term borrowings, Weighted Average Rate | 0.36% | 1.84%
Long-term borrowings |  |
Long Term And Short Term Debt [Line Items] |  |
Long-term borrowings, Balance | $ 49,076 | $ 50,868
Long-term borrowings, Weighted Average Rate | 2.47% | 2.60%
Junior subordinated debt securities |  |
Long Term And Short Term Debt [Line Items] |  |
Long-term borrowings, Balance | $ 64,068 | $ 64,277
Long-term borrowings, Weighted Average Rate | 3.03% | 3.59%

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- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + 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)(3) -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(a)(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 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 4: 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 + Details
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