A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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- Definition

Amount after tax, before reclassification adjustments, of other comprehensive income (loss), attributable to parent.

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- Definition

Amount after tax of other comprehensive income (loss) attributable to parent entity.

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Amount after tax of reclassification adjustments of other comprehensive income (loss) attributable to parent.

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- Definition

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Sep. 30, 2021	Sep. 30, 2020
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance	$ 1,204,276	$ 1,172,824	$ 701,096	$ 681,543	$ 645,648	$ 596,758	$ 701,096	$ 596,758
Other comprehensive (loss) income before reclassifications							6,178	(5,944)
Amounts reclassified from accumulated other comprehensive loss							(1,296)	345
Total other comprehensive (loss) income, net of tax	(5,618)	4,045	6,455	2,864	(1,771)	(6,692)	4,882	(5,599)
Balance	1,201,117	1,204,276	1,172,824	694,158	681,543	645,648	1,201,117	694,158
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance	4,576	531	(5,924)	(14,403)	(12,632)	(5,940)	(5,924)	(5,940)
Total other comprehensive (loss) income, net of tax	(5,618)	4,045	6,455	2,864	(1,771)	(6,692)
Balance	(1,042)	$ 4,576	531	(11,539)	$ (14,403)	(12,632)	(1,042)	(11,539)
Securities Available-for-Sale
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance			12,694			4,621	12,694	4,621
Other comprehensive (loss) income before reclassifications							(10,378)	10,783
Amounts reclassified from accumulated other comprehensive loss							(826)	(2,302)
Total other comprehensive (loss) income, net of tax							(11,204)	8,481
Balance	1,490			13,102			1,490	13,102
Defined Benefit Plans
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance			(6,086)			(6,024)	(6,086)	(6,024)
Other comprehensive (loss) income before reclassifications							2,706	423
Amounts reclassified from accumulated other comprehensive loss							(1,082)	133
Total other comprehensive (loss) income, net of tax							1,624	556
Balance	(4,462)			(5,468)			(4,462)	(5,468)
Derivatives
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance			$ (12,532)			$ (4,537)	(12,532)	(4,537)
Other comprehensive (loss) income before reclassifications							13,850	(17,150)
Amounts reclassified from accumulated other comprehensive loss							612	2,514
Total other comprehensive (loss) income, net of tax							14,462	(14,636)
Balance	$ 1,930			$ (19,173)			$ 1,930	$ (19,173)