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v3.20.4

Borrowings - Summary of Outstanding Borrowings (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Debt Instrument [Line Items] |  |
Long-Term | $ 5,189,217 | $ 4,354,037
Weighted Average Interest Rate | 2.60% | 3.07%
Average Balance | $ 4,748,871 | $ 4,483,858
Floating-rate borrowings |  |
Debt Instrument [Line Items] |  |
Long-Term | $ 1,235,105 | $ 1,525,976
Weighted Average Interest Rate | 1.09% | 2.61%
Average Balance | $ 1,432,446 | $ 1,731,675
Fixed-rate borrowings |  |
Debt Instrument [Line Items] |  |
Long-Term | $ 3,954,112 | $ 2,828,061
Weighted Average Interest Rate | 3.08% | 3.31%
Average Balance | $ 3,316,425 | $ 2,752,183

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