Borrowings - Short Term Borrowings (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Short-term borrowings:
Short-Term	$ 289,230	$ 0
Maximum outstanding at any month end	297,800	300,000
Secured Borrowing Facility
Short-term borrowings:
Short-Term	$ 289,230	$ 0
Weighted Average Interest Rate	1.74%	0.00%
Average Balance	$ 102,639	$ 52,603
Weighted Average Interest Rate	4.91%	8.91%

The average effective interest rate during the reporting period.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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Weighted average interest rate of short-term debt outstanding calculated at point in time.

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For the form of debt having an initial term of less than one year or less than the normal operating cycle, if longer, average borrowings during the period.

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For the form of debt having an initial term of less than one year or less than the normal operating cycle, if longer, maximum month-end borrowings during the period.

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