Reclassification of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021	Dec. 31, 2020
Supplemental Comprehensive Income Disclosures [Abstract]
Unrealized holding gains on securities arising during the period	$ (46,213)	$ (4,025)	$ (135,258)	$ (18,122)
Reclassification adjustment for gains on securities included in net income	0	0	(2)	(16)
Total unrealized gains on securities	(46,213)	(4,025)	(135,260)	(18,138)
Unrealized holding gains on securities arising during the period	9,705	844	28,405	3,805
Reclassification adjustment for gains on securities included in net income	0	0	0	3
Other Comprehensive Income (Loss), Securities, Available-for-sale, Tax	9,705	844	28,405	3,808
Total other comprehensive (loss) income	(57,296)	(4,554)	(169,014)	(17,362)
Other Comprehensive Income (Loss), Tax	12,032	955	35,493	3,645
Other comprehensive income (loss) before reclassification adjustment	(36,508)	(3,181)	(106,853)	(14,317)
Reclassification adjustment for gains on securities included in net income	0	0	2	13
Total unrealized (losses) gains on securities	(36,508)	(3,181)	(106,855)	(14,330)
Total other comprehensive (loss) income	(45,264)	(3,599)	(133,521)	(13,717)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(142,289)	3,516	(142,289)	3,516	$ (97,025)	$ (8,768)	$ 7,115	$ 17,233
Other comprehensive income (loss) before reclassification adjustment	(36,508)	(3,181)	(106,853)	(14,317)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(45,264)	(3,599)	(133,519)	(13,704)
Amounts reclassified from accumulated other comprehensive income (loss)	0	0	(2)	(13)
Total other comprehensive (loss) income	(45,264)	(3,599)	(133,521)	(13,717)
Unrealized holding losses on securities arising during the period	(46,213)	(4,025)	(135,258)	(18,122)
Unrealized holding gains on securities arising during the period	9,705	844	28,405	3,805
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax	0	0	2	16
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax	0	0	0	(3)
Reclassification adjustment for gains on securities included in net income	0	0	2	13
Other Comprehensive Income (Loss), Securities, Available-for-sale, Adjustment, before Tax	(46,213)	(4,025)	(135,260)	(18,138)
Other Comprehensive Income (Loss), Securities, Available-for-sale, Tax	9,705	844	28,405	3,808
Other Comprehensive Income (Loss), Securities, Available-for-sale, Adjustment, after Tax	(36,508)	(3,181)	(106,855)	(14,330)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax	2,327	111	7,088	(163)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax	(11,083)	(529)	(33,754)	776
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax	(8,756)	(418)	(26,666)	613
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax	2,327	111	7,088	(163)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax	(11,083)	(529)	(33,754)	776
Other Comprehensive Income (Loss), before Tax	(57,296)	(4,554)	(169,014)	(17,362)
Other Comprehensive Income (Loss), Tax	12,032	955	35,493	3,645
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Supplemental Comprehensive Income Disclosures [Abstract]
Total other comprehensive (loss) income	(36,508)	(3,181)	(106,855)	(14,330)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(110,172)	5,980	(110,172)	5,980	(73,664)	(3,317)	9,161	20,310
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(36,508)	(3,181)	(106,853)	(14,317)
Amounts reclassified from accumulated other comprehensive income (loss)	0	0	(2)	(13)
Total other comprehensive (loss) income	(36,508)	(3,181)	(106,855)	(14,330)
Accumulated Defined Benefit Plans Adjustment [Member]
Supplemental Comprehensive Income Disclosures [Abstract]
Total other comprehensive (loss) income	0	0	0	0
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	95	(182)	95	(182)	95	95	(182)	(182)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	0	0	0	0
Amounts reclassified from accumulated other comprehensive income (loss)	0	0	0	0
Total other comprehensive (loss) income	0	0	0	0
Derivative [Member]
Supplemental Comprehensive Income Disclosures [Abstract]
Total other comprehensive (loss) income	(8,756)	(418)	(26,666)	613
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(32,212)	(2,282)	(32,212)	(2,282)	$ (23,456)	$ (5,546)	$ (1,864)	$ (2,895)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(8,756)	(418)
Amounts reclassified from accumulated other comprehensive income (loss)	0	0	0	0
Total other comprehensive (loss) income	(8,756)	(418)	(26,666)	613
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax	(8,756)	(418)	(26,666)	613
Accumulated Other Comprehensive Income (Loss), net [Member]
Supplemental Comprehensive Income Disclosures [Abstract]
Total other comprehensive (loss) income	(45,264)	(3,599)	(133,521)	(13,717)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total other comprehensive (loss) income	$ (45,264)	$ (3,599)	$ (133,521)	$ (13,717)