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Borrowed Funds and Mandatorily Redeemable Securities (Details 2) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Short-term borrowings:
Short-term borrowings	$ 200,027	$ 150,641
Short-term borrowings, weighted average interest rate	0.05%	0.08%
Federal funds purchased
Short-term borrowings:
Short-term borrowings	$ 0	$ 0
Short-term borrowings, weighted average interest rate	0.00%	0.00%
Security repurchase agreements
Short-term borrowings:
Short-term borrowings	$ 194,727	$ 143,564
Short-term borrowings, weighted average interest rate	0.05%	0.08%
Commercial paper
Short-term borrowings:
Short-term borrowings	$ 3,967	$ 4,766
Short-term borrowings, weighted average interest rate	0.04%	0.13%
Federal Home Loan Bank advances
Short-term borrowings:
Short-term borrowings	$ 0	$ 0
Short-term borrowings, weighted average interest rate	0.00%	0.00%
Other short-term borrowings
Short-term borrowings:
Short-term borrowings	$ 1,333	$ 2,311
Short-term borrowings, weighted average interest rate	0.00%	0.00%

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