Note 16 - Other Borrowings

A summary of the balances of other borrowings follows:


	June 30, 2018		December 31, 2017
	(in thousands)
FHLB collateralized borrowing, fixed rate, as of June 30, 2018 of 2.05%, payable on July 2, 2018	$	136,020	$	—
FHLB collateralized borrowing, fixed rate, as of December 31, 2017 of 1.38%, payable on January 2, 2018		—		104,729
Other collateralized borrowings, fixed rate, as of June 30, 2018 and December 31, 2017 of 0.05%, payable on July 2, 2018 and January 2, 2018, respectively		16,819		17,437

Total other borrowings	$	152,839	$	122,166

The Company did not enter into any repurchase agreements during the six months ended June 30, 2018 or the year ended December 31, 2017.

The Company maintains a collateralized line of credit with the Federal Home Loan Bank of San Francisco. Based on the FHLB stock requirements at June 30, 2018, this line provided for maximum borrowings of $1,622,655,000 of which $136,020,000 was outstanding as of June 30, 2018, leaving $1,486,635,000 available. As of June 30, 2018, the Company has designated investment securities with fair value of $198,309,000 and loans totaling $2,183,416,000 as potential collateral under this collateralized line of credit with the FHLB.

The Company had $16,819,000 and $17,437,000 of other collateralized borrowings at June 30, 2018 and December 31, 2017, respectively. Other collateralized borrowings are generally overnight maturity borrowings from non-financial institutions that are collateralized by securities owned by the Company. As of June 30, 2018, the Company has pledged as collateral and sold under agreements to repurchase investment securities with fair value of $39,957,000 under these other collateralized borrowings.

The Company maintains a collateralized line of credit with the San Francisco Federal Reserve Bank. As of June 30, 2018, this line provided for maximum borrowings of $141,993,000 of which none was outstanding, leaving $141,993,000 available. As of June 30, 2018, the Company has designated investment securities with fair value of $14,000 and loans totaling $267,570,000 as potential collateral under this collateralized line of credit with the San Francisco Federal Reserve Bank.

The Company had available unused correspondent banking lines of credit from commercial banks totaling $20,000,000 for federal funds transactions at June 30, 2018.