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 of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

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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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Amount of stockholders' equity including the portion attributable to noncontrolling interests, after the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

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- Definition

Tax Cuts and Jobs Act of 2017, Reclassification from AOCI to Retained Earnings, Tax Effect

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Other Comprehensive Income - Schedule of Changes in Accumulated Other Comprehensive Loss after Tax (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Jan. 01, 2018
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 2,533,165	$ 2,377,156	$ 2,207,091
Beginning balance, adjusted				$ 2,305,863
Other comprehensive (loss) income before reclassifications	(28,209)	(1,296)	(3,039)
Amounts reclassified from other comprehensive (loss) income	5,324	5,311	6,641
Other comprehensive (loss) income, net	(22,885)	4,015	3,602
Reclassification due to the adoption of ASU No. 2018-02		(7,927)
Ending balance	3,350,454	2,533,165	2,377,156
Unrealized Gains and Losses on AFS Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(12,004)	(10,094)	(5,336)
Beginning balance, adjusted				(12,484)
Other comprehensive (loss) income before reclassifications	(22,932)	352	(4,293)
Amounts reclassified from other comprehensive (loss) income	1,857	11	(465)
Other comprehensive (loss) income, net	(21,075)	363	(4,758)
Reclassification due to the adoption of ASU No. 2018-02		(2,273)
Ending balance	(33,559)	(12,004)	(10,094)
Non-credit Impairment Losses on Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(380)	(642)	(520)
Beginning balance, adjusted				(380)
Other comprehensive (loss) income before reclassifications	0	498	417
Amounts reclassified from other comprehensive (loss) income	380	(167)	(539)
Other comprehensive (loss) income, net	380	331	(122)
Reclassification due to the adoption of ASU No. 2018-02		(69)
Ending balance	0	(380)	(642)
Unrealized Gains and Losses on Derivatives
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(8,338)	(12,464)	(17,644)
Beginning balance, adjusted				(8,399)
Other comprehensive (loss) income before reclassifications	1,874	576	(2,461)
Amounts reclassified from other comprehensive (loss) income	2,494	5,028	7,641
Other comprehensive (loss) income, net	4,368	5,604	5,180
Reclassification due to the adoption of ASU No. 2018-02		(1,478)
Ending balance	(4,031)	(8,338)	(12,464)
Defined Benefit Pension Plan
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(25,283)	(18,893)	(22,195)
Beginning balance, adjusted				(25,283)
Other comprehensive (loss) income before reclassifications	(7,151)	(2,722)	3,298
Amounts reclassified from other comprehensive (loss) income	593	439	4
Other comprehensive (loss) income, net	(6,558)	(2,283)	3,302
Reclassification due to the adoption of ASU No. 2018-02		(4,107)
Ending balance	(31,841)	(25,283)	(18,893)
Total Accumulated Other Comprehensive Loss
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(46,005)	(42,093)	(45,695)
Beginning balance, adjusted				(46,546)
Reclassification due to the adoption of ASU No. 2018-02		(7,927)
Ending balance	$ (69,431)	$ (46,005)	$ (42,093)
ASU 2016-01 \| Unrealized Gains and Losses on AFS Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Reclassification due to the adoption of an ASU				(480)
ASU 2016-01 \| Non-credit Impairment Losses on Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Reclassification due to the adoption of an ASU				0
ASU 2016-01 \| Unrealized Gains and Losses on Derivatives
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Reclassification due to the adoption of an ASU				0
ASU 2016-01 \| Defined Benefit Pension Plan
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Reclassification due to the adoption of an ASU				0
ASU 2016-01 \| Total Accumulated Other Comprehensive Loss
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Reclassification due to the adoption of an ASU				(480)
ASU 2017-12 \| Unrealized Gains and Losses on AFS Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Reclassification due to the adoption of an ASU				0
ASU 2017-12 \| Non-credit Impairment Losses on Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Reclassification due to the adoption of an ASU				0
ASU 2017-12 \| Unrealized Gains and Losses on Derivatives
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Reclassification due to the adoption of an ASU				(61)
ASU 2017-12 \| Defined Benefit Pension Plan
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Reclassification due to the adoption of an ASU				0
ASU 2017-12 \| Total Accumulated Other Comprehensive Loss
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Reclassification due to the adoption of an ASU				$ (61)