Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 5,158	$ 18,219
Other comprehensive income (loss), net of tax:
Amortization of actuarial gains, net of taxes of $31 and $2, respectively.	(69)	(4)
Amortization of prior service credits, net of taxes of $2 for the three months ended March 31, 2022.		(5)
Change in net unrealized gains (losses) on securities available for sale, net of taxes of ($1,883), and $10,892, respectively.	3,987	(23,427)
Net unrealized (loss) gain on cash flow hedges, net of taxes of $2,345, and ($6,857), respectively.	(5,140)	14,751
Change in fair value of liabilities related to instrument-specific credit risk, net of taxes of $33, and $63, respectively.	(74)	(135)
Total other comprehensive loss, net of tax	(1,296)	(8,820)
Comprehensive net income	$ 3,862	$ 9,399