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Investment Securities - Schedule of Fair Value and Unrealized Loss on Debt Security Investments in a Continuous Unrealized Loss Position (Details)
Jun. 30, 2023
USD ($)
security
Dec. 31, 2022
USD ($)
security
Debt Securities, Available-for-Sale [Line Items]    
Available-for-sale securities, Less than 12 Months: Number of Securities | security 34 106
Available-for-sale securities, Less than 12 Months: Fair Value $ 81,359,000 $ 194,377,000
Available-for-sale securities, Less than 12 Months: Unrealized Losses $ 3,979,000 $ 16,314,000
Available-for-sale securities, 12 Months or More: Number of Securities | security 102 30
Available-for-sale securities, 12 Months or More: Fair Value $ 144,242,000 $ 40,250,000
Available-for-sale securities, 12 Months or More: Unrealized Losses $ 22,110,000 $ 8,150,000
Available-for-sale securities, Total: Number of Securities | security 136 136
Available-for-sale securities, Total: Fair Value $ 225,601,000 $ 234,627,000
Available-for-sale securities, Total: Unrealized Losses $ 26,089,000 $ 24,464,000
Schedule of Held-to-Maturity Securities [Line Items]    
Held-to-maturity securities, Less than 12 Months: Number of Securities | security 85 283
Held-to-maturity securities, Less than 12 Months: Fair Value $ 39,508,000 $ 178,268,000
Held-to-maturity securities, Less than 12 Months: Unrealized Losses $ 1,266,000 $ 18,894,000
Held-to-maturity securities, 12 Months or More: Number of Securities | security 333 138
Held-to-maturity securities, 12 Months or More: Fair Value $ 300,989,000 $ 165,857,000
Held-to-maturity securities, 12 Months or More: Unrealized Losses $ 47,778,000 $ 32,095,000
Held-to-maturity securities, Total: Number of Securities | security 418 421
Held-to-maturity securities, Total: Fair Value $ 340,497,000 $ 344,125,000
Held-to-maturity securities, Total: Unrealized Losses $ 49,044,000 $ 50,989,000
Available-for-sale securities and Held-to-maturity securities, Less than 12 Months: Number of Securities | security 119 389
Available-for-sale securities and Held-to-maturity securities, Less than 12 Months: Fair Value $ 120,867,000 $ 372,645,000
Available-for-sale securities and Held-to-maturity securities, Less than 12 Months: Unrealized Losses $ 5,245,000 $ 35,208,000
Available-for-sale securities and Held-to-maturity securities,, 12 Months or More: Number of Securities | security 435 168
Available-for-sale securities and Held-to-maturity securities, 12 Months or More: Fair Value $ 445,231,000 $ 206,107,000
Available-for-sale securities and Held-to-maturity securities, 12 Months or More: Unrealized Losses $ 69,888,000 $ 40,245,000
Available-for-sale securities and Held-to-maturity securities, Total: Number of Securities | security 554 557
Available-for-sale securities and Held-to-maturity securities, Total: Fair Value $ 566,098,000 $ 578,752,000
Available-for-sale securities and Held-to-maturity securities, Total: Unrealized Losses $ 75,133,000 $ 75,453,000
U.S. Treasury and U.S. government agencies    
Debt Securities, Available-for-Sale [Line Items]    
Available-for-sale securities, Less than 12 Months: Number of Securities | security 8 19
Available-for-sale securities, Less than 12 Months: Fair Value $ 17,064,000 $ 34,914,000
Available-for-sale securities, Less than 12 Months: Unrealized Losses $ 518,000 $ 1,614,000
Available-for-sale securities, 12 Months or More: Number of Securities | security 11 0
Available-for-sale securities, 12 Months or More: Fair Value $ 17,863,000 $ 0
Available-for-sale securities, 12 Months or More: Unrealized Losses $ 1,136,000 $ 0
Available-for-sale securities, Total: Number of Securities | security 19 19
Available-for-sale securities, Total: Fair Value $ 34,927,000 $ 34,914,000
Available-for-sale securities, Total: Unrealized Losses $ 1,654,000 $ 1,614,000
Schedule of Held-to-Maturity Securities [Line Items]    
Held-to-maturity securities, Less than 12 Months: Number of Securities | security 7 54
Held-to-maturity securities, Less than 12 Months: Fair Value $ 12,092,000 $ 84,946,000
Held-to-maturity securities, Less than 12 Months: Unrealized Losses $ 457,000 $ 10,093,000
Held-to-maturity securities, 12 Months or More: Number of Securities | security 138 91
Held-to-maturity securities, 12 Months or More: Fair Value $ 200,244,000 $ 125,891,000
Held-to-maturity securities, 12 Months or More: Unrealized Losses $ 32,944,000 $ 24,741,000
Held-to-maturity securities, Total: Number of Securities | security 145 145
Held-to-maturity securities, Total: Fair Value $ 212,336,000 $ 210,837,000
Held-to-maturity securities, Total: Unrealized Losses $ 33,401,000 $ 34,834,000
Mortgage-backed U.S. government agencies    
Debt Securities, Available-for-Sale [Line Items]    
Available-for-sale securities, Less than 12 Months: Number of Securities | security 23 69
Available-for-sale securities, Less than 12 Months: Fair Value $ 55,079,000 $ 131,879,000
Available-for-sale securities, Less than 12 Months: Unrealized Losses $ 2,769,000 $ 11,876,000
Available-for-sale securities, 12 Months or More: Number of Securities | security 70 24
Available-for-sale securities, 12 Months or More: Fair Value $ 103,621,000 $ 35,036,000
Available-for-sale securities, 12 Months or More: Unrealized Losses $ 16,495,000 $ 7,202,000
Available-for-sale securities, Total: Number of Securities | security 93 93
Available-for-sale securities, Total: Fair Value $ 158,700,000 $ 166,915,000
Available-for-sale securities, Total: Unrealized Losses $ 19,264,000 $ 19,078,000
Schedule of Held-to-Maturity Securities [Line Items]    
Held-to-maturity securities, Less than 12 Months: Number of Securities | security 1 40
Held-to-maturity securities, Less than 12 Months: Fair Value $ 285,000 $ 13,866,000
Held-to-maturity securities, Less than 12 Months: Unrealized Losses $ 16,000 $ 1,071,000
Held-to-maturity securities, 12 Months or More: Number of Securities | security 63 24
Held-to-maturity securities, 12 Months or More: Fair Value $ 40,465,000 $ 30,168,000
Held-to-maturity securities, 12 Months or More: Unrealized Losses $ 6,363,000 $ 5,605,000
Held-to-maturity securities, Total: Number of Securities | security 64 64
Held-to-maturity securities, Total: Fair Value $ 40,750,000 $ 44,034,000
Held-to-maturity securities, Total: Unrealized Losses $ 6,379,000 $ 6,676,000
State and political subdivision obligations    
Debt Securities, Available-for-Sale [Line Items]    
Available-for-sale securities, Less than 12 Months: Number of Securities | security 0 6
Available-for-sale securities, Less than 12 Months: Fair Value $ 0 $ 2,521,000
Available-for-sale securities, Less than 12 Months: Unrealized Losses $ 0 $ 671,000
Available-for-sale securities, 12 Months or More: Number of Securities | security 8 2
Available-for-sale securities, 12 Months or More: Fair Value $ 3,561,000 $ 1,018,000
Available-for-sale securities, 12 Months or More: Unrealized Losses $ 782,000 $ 144,000
Available-for-sale securities, Total: Number of Securities | security 8 8
Available-for-sale securities, Total: Fair Value $ 3,561,000 $ 3,539,000
Available-for-sale securities, Total: Unrealized Losses $ 782,000 $ 815,000
Schedule of Held-to-Maturity Securities [Line Items]    
Held-to-maturity securities, Less than 12 Months: Number of Securities | security 76 185
Held-to-maturity securities, Less than 12 Months: Fair Value $ 26,201,000 $ 73,735,000
Held-to-maturity securities, Less than 12 Months: Unrealized Losses $ 730,000 $ 7,413,000
Held-to-maturity securities, 12 Months or More: Number of Securities | security 125 18
Held-to-maturity securities, 12 Months or More: Fair Value $ 51,398,000 $ 4,616,000
Held-to-maturity securities, 12 Months or More: Unrealized Losses $ 7,317,000 $ 932,000
Held-to-maturity securities, Total: Number of Securities | security 201 203
Held-to-maturity securities, Total: Fair Value $ 77,599,000 $ 78,351,000
Held-to-maturity securities, Total: Unrealized Losses $ 8,047,000 $ 8,345,000
Corporate debt securities    
Debt Securities, Available-for-Sale [Line Items]    
Available-for-sale securities, Less than 12 Months: Number of Securities | security 3 12
Available-for-sale securities, Less than 12 Months: Fair Value $ 9,216,000 $ 25,063,000
Available-for-sale securities, Less than 12 Months: Unrealized Losses $ 692,000 $ 2,153,000
Available-for-sale securities, 12 Months or More: Number of Securities | security 13 4
Available-for-sale securities, 12 Months or More: Fair Value $ 19,197,000 $ 4,196,000
Available-for-sale securities, 12 Months or More: Unrealized Losses $ 3,697,000 $ 804,000
Available-for-sale securities, Total: Number of Securities | security 16 16
Available-for-sale securities, Total: Fair Value $ 28,413,000 $ 29,259,000
Available-for-sale securities, Total: Unrealized Losses $ 4,389,000 $ 2,957,000
Schedule of Held-to-Maturity Securities [Line Items]    
Held-to-maturity securities, Less than 12 Months: Number of Securities | security 1 4
Held-to-maturity securities, Less than 12 Months: Fair Value $ 930,000 $ 5,721,000
Held-to-maturity securities, Less than 12 Months: Unrealized Losses $ 63,000 $ 317,000
Held-to-maturity securities, 12 Months or More: Number of Securities | security 7 5
Held-to-maturity securities, 12 Months or More: Fair Value $ 8,882,000 $ 5,182,000
Held-to-maturity securities, 12 Months or More: Unrealized Losses $ 1,154,000 $ 817,000
Held-to-maturity securities, Total: Number of Securities | security 8 9
Held-to-maturity securities, Total: Fair Value $ 9,812,000 $ 10,903,000
Held-to-maturity securities, Total: Unrealized Losses $ 1,217,000 $ 1,134,000