XML 80 R67.htm IDEA: XBRL DOCUMENT v3.22.0.1
Investment Securities - Amortized Cost and Estimated Fair Value of Debt Securities Available for Sale (Detail) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Investment Securities [Line Items]    
Due within 1 year, Amortized Cost $ 0  
Due after 1 but within 5 years, Amortized Cost 13,874  
Due after 5 but within 10 years, Amortized Cost 28,752  
Due after 10 years, Amortized Cost 0  
Debt securities gross, Amortized Cost 42,626  
Amortized Cost 1,045,579 $ 805,515
Total debt securities, Amortized Cost 1,045,579  
Due within 1 year, Estimated Fair Value 0  
Due after 1 but within 5 years, Estimated Fair Value 14,334  
Due after 5 but within 10 years, Estimated Fair Value 29,120  
Due after 10 years, Estimated Fair Value 0  
Debt securities gross, Estimated Fair Value 43,454  
Securities available for sale 1,041,380 $ 831,223
Total debt securities, Estimated Fair Value 1,041,380  
Mortgage-Backed Securities [Member]    
Investment Securities [Line Items]    
Amortized Cost [1] 1,002,953  
Securities available for sale [1] $ 997,926  
[1] Mortgage Backed Securities include an amortized cost of $370.3 million and a fair value of $368.0 million for Obligations of U.S. Government agencies issued by Ginnie Mae and an amortized cost of $632.7 million and a fair value of $630.0 million for Obligations of U.S. Government-sponsored enterprises issued by Fannie Mae and Freddie Mac.