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v3.20.1

Borrowings - Components of Borrowings (Details) - USD ($) $ in Thousands | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Debt Instrument [Line Items] |  |
Debt and capital lease obligations | $ 200,000 |
Interest Rate Per Annum | 4.29% |
Senior notes | Series C |  |
Debt Instrument [Line Items] |  |
Debt and capital lease obligations | $ 90,000 |
Interest Rate Per Annum | 5.82% | 5.82%
Senior notes | Series D |  |
Debt Instrument [Line Items] |  |
Debt and capital lease obligations | $ 60,000 |
Interest Rate Per Annum | 4.29% |
Senior notes | Series E |  |
Debt Instrument [Line Items] |  |
Debt and capital lease obligations | $ 50,000 |
Interest Rate Per Annum | 4.53% |
Revolving credit agreement |  |
Debt Instrument [Line Items] |  |
Debt and capital lease obligations | $ 0 |

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + 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(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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