The Bank has the ability to borrow funds from the FHLB. The Bank pledges its single-family residential mortgage loan portfolio, certain commercial real estate loans, and certain agriculture real estate loans as security for these advances. Advances secured by residential mortgages must have collateral of at least 128% of the borrowings. Advances secured by commercial real estate loans, and agriculture real estate loans must have collateral of at least 120% and 123% of the borrowings, respectively. Total loans pledged to the FHLB at December 31, 2020, and December 31, 2019, were $2.0 billion and $1.2 billion, respectively. The Bank could obtain advances of up to approximately $1.4 billion from the FHLB at December 31, 2020.

At December 31, 2020, the Bank had no outstanding FHLB advances. At December 31, 2019, advances from the FHLB were as follows:

Principal Terms	Advance Amount			Range of Maturities	Weighted Average Interest Rate
	(In Thousands)
December 31, 2019
Single maturity fixed rate advances	$	83,999		January 2020 to October 2024		2.00	%
Amortizable mortgage advances		1,085		August 2027		2.14	%
Fair value adj. on acquired balances		(21	)
	$	85,063