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Deposits
 12 Months Ended
Dec. 31, 2022
Deposits [Abstract]  
Deposits DEPOSITS
The aggregate amounts of time deposits in denominations of more than $250 thousand at December 31, 2022 and 2021, was $2.39 billion and $1.49 billion, respectively. Included in time deposits of more than $250 thousand were $300.0 million in California State Treasurer’s deposits at December 31, 2022 and 2021. The California State Treasurer’s deposits are subject to withdrawal based on the State’s periodic evaluations. The Company is required to pledge eligible collateral of at least 110% of outstanding deposits. At December 31, 2022 and 2021, securities with fair values of approximately $348.0 million and $359.8 million, respectively, were pledged as collateral for the California State Treasurer’s deposit.
The Company also utilizes brokered deposits as a secondary source of funds. Total brokered deposits at December 31, 2022 and 2021 totaled $1.18 billion and $810.9 million, respectively. Brokered deposits at December 31, 2022 consisted of $70.2 million in money market and NOW accounts and $1.11 billion in time deposit accounts. Brokered deposits at December 31, 2021 consisted of $770.0 million in money market and NOW accounts and $40.9 million in time deposit accounts.
At December 31, 2022, the scheduled maturities for time deposits were as follows:
December 31, 2022
(Dollars in thousands)
Scheduled maturities in:
2023$4,973,023 
202414,861 
20251,121 
2026550 
2027505 
2028 and thereafter— 
Total
$4,990,060 
The following table presents the maturity schedules of time deposits in amounts of more than $250 thousand as of December 31, 2022:
 December 31, 2022
(Dollars in thousands)
Three months or less$242,755 
Over three months through six months509,744 
Over six months through twelve months1,629,667 
Over twelve months3,407 
Total$2,385,573 
Interest expense on deposits for the periods indicated is summarized as follows:
Year Ended December 31,
 202220212020
 (Dollars in thousands)
Money market and NOW$68,961 $22,867 $34,529 
Savings deposits3,802 3,623 3,475 
Time deposits42,076 15,521 72,365 
Total deposit interest expense
$114,839 $42,011 $110,369