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Deposits Deposits (Tables)
 12 Months Ended
Dec. 31, 2021
Deposits [Abstract]  
Summary of Interest Bearing Deposits
The following table presents the components of interest‑bearing deposits as of the dates indicated:
December 31,
Deposit Composition20212020
(In thousands)
Interest checking $7,386,269 $5,999,245 
Money market 11,064,870 7,658,049 
Savings 630,653 562,826 
Time deposits $250,000 and under 885,938 994,197 
Time deposits over $250,000486,894 532,573 
Total interest-bearing deposits$20,454,624 $15,746,890 
Schedule of Maturities Of Time Deposits
The following table summarizes the maturities of time deposits as of the date indicated:
Time Deposits
$250,000
Over
December 31, 2021
and Under
$250,000
Total
(In thousands)
Year of Maturity:
2022$663,169 $473,700 $1,136,869 
2023110,917 10,824 121,741 
202452,897 505 53,402 
202556,067 546 56,613 
20262,859 1,319 4,178 
Thereafter29 — 29 
Total $885,938 $486,894 $1,372,832