Other Comprehensive Income (Loss) - Components of OCI (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Before Tax
Total other comprehensive income (loss)	$ 16,804	$ (19,658)	$ 1,664	$ 2,790
Tax Effect
Total	(5,183)	5,311	(513)	(238)
After Tax
Total other comprehensive income (loss)	11,621	(14,347)	1,151	2,552
Unrealized Losses on Available for Sale Debt Securities
Before Tax
Net unrealized gains (losses) arising during the period	16,718	(20,178)	2,319	7,641
Reclassification adjustment for losses (gains) included in net income	2,973	0	2,973	0
Total other comprehensive income (loss)	19,691	(20,178)	5,292	7,641
Tax Effect
Net unrealized gains (losses) arising during the period	(5,157)	5,452	(715)	(1,503)
Reclassification adjustment for losses (gains) included in net income	(917)	0	(917)	0
Total	(6,074)	5,452	(1,632)	(1,503)
After Tax
Net unrealized gains (losses) arising during the period	11,561	(14,726)	1,604	6,138
Reclassification adjustment for losses (gains) included in net income	2,056	0	2,056	0
Total other comprehensive income (loss)	13,617	(14,726)	3,660	6,138
Unrealized Gains on Derivatives (cash flow hedges)
Before Tax
Net unrealized gains (losses) arising during the period	1,361	5,002	5,993	4,219
Reclassification adjustment for losses (gains) included in net income	(3,734)	(4,124)	(7,909)	(8,343)
Total other comprehensive income (loss)	(2,373)	878	(1,916)	(4,124)
Tax Effect
Net unrealized gains (losses) arising during the period	(420)	(1,352)	(1,849)	(1,186)
Reclassification adjustment for losses (gains) included in net income	1,152	1,114	2,440	2,254
Total	732	(238)	591	1,068
After Tax
Net unrealized gains (losses) arising during the period	941	3,650	4,144	3,033
Reclassification adjustment for losses (gains) included in net income	(2,582)	(3,010)	(5,469)	(6,089)
Total other comprehensive income (loss)	(1,641)	640	(1,325)	(3,056)
Post- Retirement Obligations
Before Tax
Total other comprehensive income (loss)	(514)	(358)	(1,712)	(727)
Tax Effect
Total	159	97	528	197
After Tax
Total other comprehensive income (loss)	$ (355)	$ (261)	$ (1,184)	$ (530)

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