	March 31, 2019						June 30, 2018
	Balance			Weighted Average Interest Rate			Balance			Weighted Average Interest Rate
	(Dollars in Thousands)
By remaining period to maturity:
Less than one year	$	866,800			2.65	%	$	741,000			2.09	%
One to two years		35,000			1.84			48,400			1.66
Two to three years		104,875			2.22			64,160			1.88
Three to four years		10,000			2.40			35,700			2.17
Four to five years		145,000			3.04			155,000			3.00
Greater than five years		132,500			2.68			132,500			2.68
Total advances		1,294,175			2.64	%		1,176,760			2.25	%
Unamortized fair value adjustments		(4,890	)					(6,616	)
Total advances, net of fair value adjustments	$	1,289,285					$	1,170,144

At March 31, 2019, FHLB advances were collateralized by the FHLB capital stock owned by the Bank and mortgage loans and securities with carrying values totaling approximately $3.06 billion and $159.4 million, respectively. At June 30, 2018, FHLB advances were collateralized by the FHLB capital stock owned by the Bank and mortgage loans and securities with carrying values totaling approximately $2.72 billion and $185.2 million, respectively.

Borrowings at March 31, 2019 and June 30, 2018 also included overnight borrowings in the form of depositor sweep accounts totaling $36.9 million and $28.5 million, respectively. Depositor sweep accounts are short term borrowings representing funds that are withdrawn from a customer’s noninterest-bearing deposit account and invested in an uninsured overnight investment account that is collateralized by specified investment securities owned by the Bank.