LOANS HELD FOR INVESTMENT - Selected Information on TDRs Includes Recorded Investment by Loan Class and Modification Type (Detail) - Entity Loan Modification Program [Member] - USD ($) $ in Thousands	Sep. 30, 2020	Jun. 30, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Dec. 31, 2018
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	$ 488,615	$ 496,207	$ 487,997	$ 495,838	$ 582,389	$ 582,647
Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	312,238		316,649
Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	3,494		4,321
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	83,517		66,849
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	67,600		74,979
Consumer Portfolio Segment [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	21,800
Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	12,344		14,540
Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,348		1,532
Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	960		1,073
Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	4,548		5,263
Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	2,566		2,791
Interest rate below market [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	25,570		26,068
Interest rate below market [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	18,832		19,570
Interest rate below market [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	22		24
Interest rate below market [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	543		579
Interest rate below market [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	4,362		3,810
Interest rate below market [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
Interest rate below market [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
Interest rate below market [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	22		26
Interest rate below market [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,789		2,059
Interest rate below market [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
Extended Maturity [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	29,847		34,682
Extended Maturity [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	11,693		11,600
Extended Maturity [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,759		2,469
Extended Maturity [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	12,440		16,160
Extended Maturity [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	2,231		2,276
Extended Maturity [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	611		898
Extended Maturity [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	22		40
Extended Maturity [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	17		43
Extended Maturity [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,074		1,196
Extended Maturity [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
Combination of reduction in interest rate and extension of maturity [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	280,263		289,303
Combination of reduction in interest rate and extension of maturity [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	215,286		221,667
Combination of reduction in interest rate and extension of maturity [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,523		1,639
Combination of reduction in interest rate and extension of maturity [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	15,708		12,077
Combination of reduction in interest rate and extension of maturity [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	37,594		40,896
Combination of reduction in interest rate and extension of maturity [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	5,521		7,393
Combination of reduction in interest rate and extension of maturity [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	715		1,066
Combination of reduction in interest rate and extension of maturity [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	627		845
Combination of reduction in interest rate and extension of maturity [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	741		953
Combination of reduction in interest rate and extension of maturity [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	2,548		2,767
Forgiveness of principal and/or interest [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	214		346
Forgiveness of principal and/or interest [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
Forgiveness of principal and/or interest [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
Forgiveness of principal and/or interest [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		142
Forgiveness of principal and/or interest [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
Forgiveness of principal and/or interest [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
Forgiveness of principal and/or interest [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
Forgiveness of principal and/or interest [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
Forgiveness of principal and/or interest [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	196		180
Forgiveness of principal and/or interest [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	18		24
Forbearance Agreement [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	34,902		20,682
Forbearance Agreement [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	222		142
Forbearance Agreement [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
Forbearance Agreement [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	18,134		692
Forbearance Agreement [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	16,546		19,848
Forbearance Agreement [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
Forbearance Agreement [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
Forbearance Agreement [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
Forbearance Agreement [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
Forbearance Agreement [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
Other Loan Modifications [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	117,819		116,916
Other Loan Modifications [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	66,205		63,670
Other Loan Modifications [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	190		189
Other Loan Modifications [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	36,692		37,199
Other Loan Modifications [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	6,867		8,149
Other Loan Modifications [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	6,212		6,249
Other Loan Modifications [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	611		426
Other Loan Modifications [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	294		159
Other Loan Modifications [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	748		875
Other Loan Modifications [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
PR And VI [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	478,782		477,776
PR And VI [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	308,855		313,147
PR And VI [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	3,494		4,321
PR And VI [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	83,270		66,534
PR And VI [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	62,096		69,451
PR And VI [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	12,265		14,424
PR And VI [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,348		1,532
PR And VI [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	960		1,073
PR And VI [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	3,928		4,503
PR And VI [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	2,566		2,791
PR And VI [Member] | Interest rate below market [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	21,669		22,119
PR And VI [Member] | Interest rate below market [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	17,837		18,561
PR And VI [Member] | Interest rate below market [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	22		24
PR And VI [Member] | Interest rate below market [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	543		579
PR And VI [Member] | Interest rate below market [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,494		909
PR And VI [Member] | Interest rate below market [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
PR And VI [Member] | Interest rate below market [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
PR And VI [Member] | Interest rate below market [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	22		26
PR And VI [Member] | Interest rate below market [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,751		2,020
PR And VI [Member] | Interest rate below market [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
PR And VI [Member] | Extended Maturity [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	28,541		33,311
PR And VI [Member] | Extended Maturity [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	11,288		11,188
PR And VI [Member] | Extended Maturity [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,759		2,469
PR And VI [Member] | Extended Maturity [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	12,440		16,160
PR And VI [Member] | Extended Maturity [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,391		1,414
PR And VI [Member] | Extended Maturity [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	550		801
PR And VI [Member] | Extended Maturity [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	22		40
PR And VI [Member] | Extended Maturity [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	17		43
PR And VI [Member] | Extended Maturity [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,074		1,196
PR And VI [Member] | Extended Maturity [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
PR And VI [Member] | Combination of reduction in interest rate and extension of maturity [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	276,315		285,287
PR And VI [Member] | Combination of reduction in interest rate and extension of maturity [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	213,327		219,618
PR And VI [Member] | Combination of reduction in interest rate and extension of maturity [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,523		1,639
PR And VI [Member] | Combination of reduction in interest rate and extension of maturity [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	15,708		12,077
PR And VI [Member] | Combination of reduction in interest rate and extension of maturity [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	35,798		39,131
PR And VI [Member] | Combination of reduction in interest rate and extension of maturity [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	5,503		7,374
PR And VI [Member] | Combination of reduction in interest rate and extension of maturity [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	715		1,066
PR And VI [Member] | Combination of reduction in interest rate and extension of maturity [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	627		845
PR And VI [Member] | Combination of reduction in interest rate and extension of maturity [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	566		770
PR And VI [Member] | Combination of reduction in interest rate and extension of maturity [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	2,548		2,767
PR And VI [Member] | Forgiveness of principal and/or interest [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	214		346
PR And VI [Member] | Forgiveness of principal and/or interest [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
PR And VI [Member] | Forgiveness of principal and/or interest [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
PR And VI [Member] | Forgiveness of principal and/or interest [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		142
PR And VI [Member] | Forgiveness of principal and/or interest [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
PR And VI [Member] | Forgiveness of principal and/or interest [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
PR And VI [Member] | Forgiveness of principal and/or interest [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
PR And VI [Member] | Forgiveness of principal and/or interest [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
PR And VI [Member] | Forgiveness of principal and/or interest [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	196		180
PR And VI [Member] | Forgiveness of principal and/or interest [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	18		24
PR And VI [Member] | Forbearance Agreement [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	34,902		20,682
PR And VI [Member] | Forbearance Agreement [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	222		142
PR And VI [Member] | Forbearance Agreement [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
PR And VI [Member] | Forbearance Agreement [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	18,134		692
PR And VI [Member] | Forbearance Agreement [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	16,546		19,848
PR And VI [Member] | Forbearance Agreement [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
PR And VI [Member] | Forbearance Agreement [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
PR And VI [Member] | Forbearance Agreement [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
PR And VI [Member] | Forbearance Agreement [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
PR And VI [Member] | Forbearance Agreement [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
PR And VI [Member] | Other Loan Modifications [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	117,141		116,031
PR And VI [Member] | Other Loan Modifications [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	66,181		63,638
PR And VI [Member] | Other Loan Modifications [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	190		189
PR And VI [Member] | Other Loan Modifications [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	36,445		36,884
PR And VI [Member] | Other Loan Modifications [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	6,867		8,149
PR And VI [Member] | Other Loan Modifications [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	6,212		6,249
PR And VI [Member] | Other Loan Modifications [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	611		426
PR And VI [Member] | Other Loan Modifications [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	294		159
PR And VI [Member] | Other Loan Modifications [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	341		337
PR And VI [Member] | Other Loan Modifications [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	9,833		10,221
FL | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	3,383		3,502
FL | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	247		315
FL | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	5,504		5,528
FL | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	79		116
FL | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	620		760
FL | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Interest rate below market [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	3,901		3,949
FL | Interest rate below market [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	995		1,009
FL | Interest rate below market [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Interest rate below market [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Interest rate below market [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	2,868		2,901
FL | Interest rate below market [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Interest rate below market [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Interest rate below market [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Interest rate below market [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	38		39
FL | Interest rate below market [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Extended Maturity [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,306		1,371
FL | Extended Maturity [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	405		412
FL | Extended Maturity [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Extended Maturity [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Extended Maturity [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	840		862
FL | Extended Maturity [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	61		97
FL | Extended Maturity [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Extended Maturity [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Extended Maturity [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Extended Maturity [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Combination of reduction in interest rate and extension of maturity [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	3,948		4,016
FL | Combination of reduction in interest rate and extension of maturity [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,959		2,049
FL | Combination of reduction in interest rate and extension of maturity [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Combination of reduction in interest rate and extension of maturity [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Combination of reduction in interest rate and extension of maturity [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	1,796		1,765
FL | Combination of reduction in interest rate and extension of maturity [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	18		19
FL | Combination of reduction in interest rate and extension of maturity [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Combination of reduction in interest rate and extension of maturity [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Combination of reduction in interest rate and extension of maturity [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	175		183
FL | Combination of reduction in interest rate and extension of maturity [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Forgiveness of principal and/or interest [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Forgiveness of principal and/or interest [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Forgiveness of principal and/or interest [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Forgiveness of principal and/or interest [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Forgiveness of principal and/or interest [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Forgiveness of principal and/or interest [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Forgiveness of principal and/or interest [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Forgiveness of principal and/or interest [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Forgiveness of principal and/or interest [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Forgiveness of principal and/or interest [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Forbearance Agreement [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Forbearance Agreement [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Forbearance Agreement [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Forbearance Agreement [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Forbearance Agreement [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Forbearance Agreement [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Forbearance Agreement [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Forbearance Agreement [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Forbearance Agreement [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Forbearance Agreement [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Other Loan Modifications [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	678		885
FL | Other Loan Modifications [Member] | Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	24		32
FL | Other Loan Modifications [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Other Loan Modifications [Member] | Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	247		315
FL | Other Loan Modifications [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Other Loan Modifications [Member] | Consumer Portfolio Segment [Member] | Auto loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Other Loan Modifications [Member] | Consumer Portfolio Segment [Member] | Finance Leases [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Other Loan Modifications [Member] | Consumer Portfolio Segment [Member] | Personal Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	0		0
FL | Other Loan Modifications [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	407		538
FL | Other Loan Modifications [Member] | Consumer Portfolio Segment [Member] | Credit cards [Member]
Financing Receivable Impaired [Line Items]
Financing Receivable, Modifications, Recorded Investment	$ 0		$ 0