XML 69 R59.htm IDEA: XBRL DOCUMENT v3.22.2
Borrowings - Additional Information (Detail) - USD ($)
$ in Thousands
6 Months Ended
Apr. 18, 2022
Jun. 30, 2022
Dec. 31, 2021
Debt Instrument [Line Items]      
Junior subordinated debentures   $ 534,000  
Debt Maturity, Start Year   Jan. 01, 2027  
Debt Maturity, End Year   Dec. 31, 2033  
Short-term borrowings   $ 1,119,321 $ 47,046
FHLB advances, current   2,000  
Long-term borrowings   3,017,363 $ 3,485,369
FHLB advances, non current   11,000  
Fixed Rate Senior Notes [Member]      
Debt Instrument [Line Items]      
Senior notes $ 650,000    
Senior notes maturity date May 18, 2022    
Variable Rate Senior Notes [Member]      
Debt Instrument [Line Items]      
Senior notes $ 250,000    
Senior notes maturity date May 18, 2022    
3.65% Unsecured Senior Notes Mature in December 2022 [Member]      
Debt Instrument [Line Items]      
Short-term borrowings   895,000  
Unsecured senior notes   $ 503,000  
Short-term borrowings, fixed interest rate   3.65%  
Amount of agreements to repurchase securities   $ 390,000  
4.0% Fixed Rate Subordinated Notes Due Mature in July 2024 [Member]      
Debt Instrument [Line Items]      
Long-term borrowings   494,000  
Subordinated notes non current   $ 405,000  
Long-term borrowings, fixed interest rate   4.00%  
5.75% Fixed Rate Subordinated Notes Due To Mature In October 2024 [Member]      
Debt Instrument [Line Items]      
Subordinated notes non current   $ 78,000  
Long-term borrowings, fixed interest rate   5.75%  
Minimum [Member] | Maturing at Various Dates Through January 2023 [Member]      
Debt Instrument [Line Items]      
Short-term borrowings, fixed interest rate   0.01%  
Minimum [Member] | Maturing at Various Dates Through 2039 [Member]      
Debt Instrument [Line Items]      
Long-term borrowings, fixed interest rate   0.01%  
Maximum [Member] | Maturing at Various Dates Through January 2023 [Member]      
Debt Instrument [Line Items]      
Short-term borrowings, fixed interest rate   0.75%  
Maximum [Member] | Maturing at Various Dates Through 2039 [Member]      
Debt Instrument [Line Items]      
Long-term borrowings, fixed interest rate   3.00%