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Deposits (Tables)
3 Months Ended
Mar. 31, 2021
Deposits [Abstract]  
Summary of Balances of Deposits
A summary of the balances of deposits follows (in thousands):
March 31,
2021
December 31,
2020
Noninterest-bearing demand$2,766,510 $2,581,517 
Interest-bearing demand1,465,915 1,414,908 
Savings2,302,927 2,164,942 
Time certificates, $250,000 or more64,509 73,147 
Other time certificates263,539 271,420 
Total deposits$6,863,400 $6,505,934