Accumulated Other Comprehensive Income (Loss) by Component (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Balance	$ 677,157	$ 679,628
Total other comprehensive loss, net of tax	(1,296)	(8,820)
Balance	672,345	675,813
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member]
Balance	(63,106)	(6,272)
Other comprehensive income before reclassifications, net of tax	3,133	(23,427)
Amounts reclassified from accumulated other comprehensive income (loss), net of tax	854	0
Total other comprehensive loss, net of tax	3,987	(23,427)
Balance	(59,119)	(29,699)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Balance	25,380	(1,406)
Other comprehensive income before reclassifications, net of tax	(2,192)	12,941
Amounts reclassified from accumulated other comprehensive income (loss), net of tax	(2,948)	1,810
Total other comprehensive loss, net of tax	(5,140)	14,751
Balance	20,240	13,345
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Balance	(275)	(1,282)
Other comprehensive income before reclassifications, net of tax		0
Amounts reclassified from accumulated other comprehensive income (loss), net of tax	(69)	(9)
Total other comprehensive loss, net of tax	(69)	(9)
Balance	(344)	(1,291)
Accumulated Gain (Loss), Financial Liability, Fair Value Option, Attributable to Parent [Member]
Balance	1,513	2,276
Other comprehensive income before reclassifications, net of tax	(74)	(135)
Amounts reclassified from accumulated other comprehensive income (loss), net of tax		0
Total other comprehensive loss, net of tax	(74)	(135)
Balance	1,439	2,141
AOCI Attributable to Parent [Member]
Balance	(36,488)	(6,684)
Other comprehensive income before reclassifications, net of tax	867	(10,621)
Amounts reclassified from accumulated other comprehensive income (loss), net of tax	(2,163)	1,801
Total other comprehensive loss, net of tax	(1,296)	(8,820)
Balance	$ (37,784)	$ (15,504)