Investment Securities - Held-to-maturity Securities with Unrealized Loss (Details) $ in Thousands	Dec. 31, 2022 USD ($) security	Dec. 31, 2021 USD ($) security
Schedule of Held-to-maturity Securities
Fair value of securities in unrealized loss position less than 12 months	$ 161,946	$ 235,557
Unrealized loss less than 12 months	$ 5,277	$ 4,089
Number of securities at an unrealized loss position less than 12 months | security	49	78
Fair value of securities in unrealized loss more than 12 months	$ 265,877	$ 41,963
Unrealized loss more than 12 months	$ 76,962	$ 1,729
Number of securities at an unrealized loss position more than 12 months | security	120	8
Total fair value	$ 427,823	$ 277,520
Total Unrealized Loss	82,239	5,818
U.S. government sponsored agencies
Schedule of Held-to-maturity Securities
Fair value of securities in unrealized loss position less than 12 months	59,905	17,328
Unrealized loss less than 12 months	$ 651	$ 504
Number of securities at an unrealized loss position less than 12 months | security	17	6
Fair value of securities in unrealized loss more than 12 months	$ 29,306	$ 14,635
Unrealized loss more than 12 months	$ 8,825	$ 500
Number of securities at an unrealized loss position more than 12 months | security	9	2
Total fair value	$ 89,211	$ 31,963
Total Unrealized Loss	9,476	1,004
States and political subdivisions
Schedule of Held-to-maturity Securities
Fair value of securities in unrealized loss position less than 12 months	3,590	61,954
Unrealized loss less than 12 months	$ 1,072	$ 1,041
Number of securities at an unrealized loss position less than 12 months | security	3	34
Fair value of securities in unrealized loss more than 12 months	$ 101,863	$ 27,328
Unrealized loss more than 12 months	$ 35,336	$ 1,229
Number of securities at an unrealized loss position more than 12 months | security	64	6
Total fair value	$ 105,453	$ 89,282
Total Unrealized Loss	36,408	2,270
Residential mortgage-backed securities
Schedule of Held-to-maturity Securities
Fair value of securities in unrealized loss position less than 12 months	71,582	88,937
Unrealized loss less than 12 months	$ 2,904	$ 919
Number of securities at an unrealized loss position less than 12 months | security	21	17
Fair value of securities in unrealized loss more than 12 months	$ 72,862	$ 0
Unrealized loss more than 12 months	$ 15,557	$ 0
Number of securities at an unrealized loss position more than 12 months | security	18	0
Total fair value	$ 144,444	$ 88,937
Total Unrealized Loss	18,461	919
Commercial mortgage-backed securities
Schedule of Held-to-maturity Securities
Fair value of securities in unrealized loss position less than 12 months	26,869	67,338
Unrealized loss less than 12 months	$ 650	$ 1,625
Number of securities at an unrealized loss position less than 12 months | security	8	21
Fair value of securities in unrealized loss more than 12 months	$ 61,846	$ 0
Unrealized loss more than 12 months	$ 17,244	$ 0
Number of securities at an unrealized loss position more than 12 months | security	29	0
Total fair value	$ 88,715	$ 67,338
Total Unrealized Loss	$ 17,894	$ 1,625