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Securities - Schedule of Held to Maturity Securities - Unrealized Losses (Details)
$ in Thousands
Jun. 30, 2023
USD ($)
contract
Dec. 31, 2022
USD ($)
contract
Number of Securities    
Less than 12 months, number of securities | contract 11 31
12 months or more, number of securities | contract 35 15
Estimated Fair Value    
less than 12 months $ 77,045 $ 142,033
12 months or more 122,468 65,444
Total 199,513 207,477
Unrealized Loss    
Less than 12 months (4,908) (9,085)
12 months or more (19,990) (15,516)
Total $ (24,898) $ (24,601)
U.S. government agency debt securities    
Number of Securities    
Less than 12 months, number of securities | contract 0 0
12 months or more, number of securities | contract 12 12
Estimated Fair Value    
less than 12 months $ 0 $ 0
12 months or more 48,459 50,755
Total 48,459 50,755
Unrealized Loss    
Less than 12 months 0 0
12 months or more (7,756) (7,778)
Total $ (7,756) $ (7,778)
U.S. government-sponsored enterprise debt securities    
Number of Securities    
Less than 12 months, number of securities | contract 11 31
12 months or more, number of securities | contract 23 3
Estimated Fair Value    
less than 12 months $ 77,045 $ 142,033
12 months or more 74,009 14,689
Total 151,054 156,722
Unrealized Loss    
Less than 12 months (4,908) (9,085)
12 months or more (12,234) (7,738)
Total $ (17,142) $ (16,823)