XML 54 R42.htm IDEA: XBRL DOCUMENT v3.21.2
INVESTMENT SECURITIES - Investment Securities in a Continuous Unrealized Loss Position (Details)
$ in Thousands
Jun. 30, 2021
USD ($)
Dec. 31, 2020
USD ($)
Available-for-Sale Securities in Unrealized Loss Positions, Number of Positions [Abstract]    
Less than 12 months 162 117
12 months or longer 9 3
Total 171 120
Available-for-Sale Securities, in Unrealized Loss Position, Fair Value [Abstract]    
Less than 12 months $ 1,446,539 $ 913,612
12 months or longer 1,328 14
Total 1,447,867 913,626
Available-for-Sale Securities, in Unrealized Loss Position, Gross Unrealized Losses [Abstract]    
Less than 12 months 112,993 16,788
12 months or longer 3 0
Total 112,996 $ 16,788
Available-for-sale, allowance for credit losses 0  
Accrued interest and fees receivable 19,000  
Available-for-sale Securities [Member]    
Available-for-Sale Securities, in Unrealized Loss Position, Gross Unrealized Losses [Abstract]    
Accrued interest and fees receivable $ 14,500  
U.S. Treasury and agency securities    
Available-for-Sale Securities in Unrealized Loss Positions, Number of Positions [Abstract]    
Less than 12 months 29 13
12 months or longer 0 0
Total 29 13
Available-for-Sale Securities, in Unrealized Loss Position, Fair Value [Abstract]    
Less than 12 months $ 1,272,423 $ 831,015
12 months or longer 0 0
Total 1,272,423 831,015
Available-for-Sale Securities, in Unrealized Loss Position, Gross Unrealized Losses [Abstract]    
Less than 12 months 110,075 16,595
12 months or longer 0 0
Total $ 110,075 $ 16,595
Obligations of state and political subdivisions    
Available-for-Sale Securities in Unrealized Loss Positions, Number of Positions [Abstract]    
Less than 12 months 4 1
12 months or longer 0 0
Total 4 1
Available-for-Sale Securities, in Unrealized Loss Position, Fair Value [Abstract]    
Less than 12 months $ 1,651 $ 358
12 months or longer 0 0
Total 1,651 358
Available-for-Sale Securities, in Unrealized Loss Position, Gross Unrealized Losses [Abstract]    
Less than 12 months 1 0
12 months or longer 0 0
Total $ 1 $ 0
Government agency mortgage-backed securities    
Available-for-Sale Securities in Unrealized Loss Positions, Number of Positions [Abstract]    
Less than 12 months 126 89
12 months or longer 6 2
Total 132 91
Available-for-Sale Securities, in Unrealized Loss Position, Fair Value [Abstract]    
Less than 12 months $ 170,661 $ 75,992
12 months or longer 1,146 14
Total 171,807 76,006
Available-for-Sale Securities, in Unrealized Loss Position, Gross Unrealized Losses [Abstract]    
Less than 12 months 2,914 182
12 months or longer 2 0
Total $ 2,916 $ 182
Corporate debt securities    
Available-for-Sale Securities in Unrealized Loss Positions, Number of Positions [Abstract]    
Less than 12 months   1
12 months or longer   0
Total   1
Available-for-Sale Securities, in Unrealized Loss Position, Fair Value [Abstract]    
Less than 12 months   $ 1,001
12 months or longer   0
Total   1,001
Available-for-Sale Securities, in Unrealized Loss Position, Gross Unrealized Losses [Abstract]    
Less than 12 months   1
12 months or longer   0
Total   $ 1
Government agency collateralized mortgage obligations    
Available-for-Sale Securities in Unrealized Loss Positions, Number of Positions [Abstract]    
Less than 12 months 3 13
12 months or longer 3 1
Total 6 14
Available-for-Sale Securities, in Unrealized Loss Position, Fair Value [Abstract]    
Less than 12 months $ 1,804 $ 5,246
12 months or longer 182 0
Total 1,986 5,246
Available-for-Sale Securities, in Unrealized Loss Position, Gross Unrealized Losses [Abstract]    
Less than 12 months 3 10
12 months or longer 1 0
Total $ 4 $ 10