Delinquent rebooked delinquent GNMA loans eligible for repurchase.

No definition available.

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- Definition

Period of residential mortgage loan that are no longer accruing interest.

+ References

No definition available.

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- Definition

Recorded investment in financing receivables that are 90 days or more past due and still accruing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

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-Publisher FASB
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-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
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- Definition

Describes the policies and procedures for identifying and measuring losses on loans when the present value of expected cash flows discounted at the loan's effective interest rate, or, alternatively, a loan's observable market price or fair value of the underlying collateral is less than the carrying amount of the loan, and sets forth the amount of the loss. Also sets forth material facts pertaining to significant loan modifications in a troubled debt restructuring, describes the method for valuing a loan deemed to be impaired or nonperforming, indicates whether income on impaired or nonperforming loans are being recognized and describes the method for recognizing the income.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-SubTopic 10
-Section 50
-Paragraph 15
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-Section 35
-Paragraph 22
-URI http://asc.fasb.org/extlink&oid=109220201&loc=d3e2555-111518

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- Definition

Threshold period past due for financing receivable to write off as uncollectible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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LOAN PORTFOLIO - Corporation's Aging of Loans Held for Investment Portfolio (Parenthetical) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment 90 Days Past Due And Still Accruing	$ 129,083	$ 131,420
Loans and Leases Receivable, Gross	$ 8,858,123	8,850,476	$ 8,886,873
Construction Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Impaired, Description	According to the Corporation's delinquency policy and consistent with the instructions for the preparation of the Consolidated Financial Statements for Bank Holding Companies (FR Y-9C) required by the Federal Reserve Board, residential mortgage, commercial mortgage, and construction loans are considered past due when the borrower is in arrears on two or more monthly payments.
Loans and Leases Receivable, Gross	$ 79,429	111,397	124,951
Residential Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Impaired, Description	According to the Corporation's delinquency policy and consistent with the instructions for the preparation of the Consolidated Financial Statements for Bank Holding Companies (FR Y-9C) required by the Federal Reserve Board, residential mortgage, commercial mortgage, and construction loans are considered past due when the borrower is in arrears on two or more monthly payments.
Loans and Leases Receivable, Gross	$ 3,163,208	3,290,957	3,296,031
Residential Portfolio Segment [Member] \| Other Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment 90 Days Past Due And Still Accruing	14,564	15,459
Loans and Leases Receivable, Gross	3,016,003	3,152,018
Residential Portfolio Segment [Member] \| Construction Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment 90 Days Past Due And Still Accruing	0	0
Loans and Leases Receivable, Gross	11,151	7,910
Residential Portfolio Segment [Member] \| Financing Receivables, 30 to 59 Days Past Due [Member] \| Other Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	101,400	224,000
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment 90 Days Past Due And Still Accruing	$ 946	6,687
Loans and Leases Receivable, Impaired, Description	According to the Corporation's delinquency policy and consistent with the instructions for the preparation of the Consolidated Financial Statements for Bank Holding Companies (FR Y-9C) required by the Federal Reserve Board, residential mortgage, commercial mortgage, and construction loans are considered past due when the borrower is in arrears on two or more monthly payments.
Loans and Leases Receivable, Gross	$ 1,522,662	1,614,972
Commercial Real Estate Portfolio Segment [Member] \| Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	5,100	9,000
Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	3,750,202	3,809,622
Commercial Portfolio Segment [Member] \| Construction Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment 90 Days Past Due And Still Accruing	0	0
Loans and Leases Receivable, Gross	47,965	76,556
Commercial Portfolio Segment [Member] \| Construction Loans [Member] \| Land [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment 90 Days Past Due And Still Accruing	67	151
Loans and Leases Receivable, Gross	20,313	26,931
Commercial Portfolio Segment [Member] \| Financing Receivables, 30 to 59 Days Past Due [Member] \| Construction Loans [Member] \| Land [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	200	2,500
Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	$ 1,944,713	$ 1,749,897	$ 1,716,628
Consumer Portfolio Segment [Member] \| Credit Card [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Threshold Period Past Due for Write-off of Financing Receivable	5 months 27 days	5 months 27 days
Consumer Portfolio Segment [Member] \| Other Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment 90 Days Past Due And Still Accruing	$ 3,752	$ 3,991
Loans and Leases Receivable, Gross	664,701	648,104
Loans Insured or Guaranteed by US Government Authorities [Member] \| Residential Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment 90 Days Past Due And Still Accruing	104,751	102,815
Defaulted loans collateralizing Ginnie Mae (GNMA) securities	43,600	62,100
Loans and Leases Receivable, Gross	147,205	138,939
Loans Insured or Guaranteed by US Government Authorities [Member] \| Residential Portfolio Segment [Member] \| Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans and Leases Receivable, Gross	5,600	6,000
Loans Insured or Guaranteed by US Government Authorities [Member] \| Nonaccrual Of Interest [Member] \| Residential Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable Recorded Investment 90 Days Past Due And Still Accruing	$ 51,400	$ 29,900
Period Of Residential Mortgage Loan That Are No Longer Accruing Interest	1 year 3 months	1 year 3 months