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LOANS HELD FOR INVESTMENT - Corporation's Commercial and Construction Loans by Portfolio Classes and by Origination Year Based on the Internal Credit Risk Category (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	$ 12,446,024		$ 12,446,024		$ 12,185,483
Charge-offs	29,045	$ 20,259	84,798	$ 62,260
Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	10,277,735		10,277,735		10,163,222
Florida region [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	2,168,289		2,168,289		2,022,261
Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	27,280		27,280
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	106,603		106,603
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	44,023		44,023
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	7,553		7,553
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	3,833		3,833
Financing Receivable, Excluding Accrued Interest, Revolving	18,050		18,050
Loans held for investment	207,342		207,342		214,777
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff			0
Charge-offs	0	4	0	42
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	22,083		22,083
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	97,861		97,861
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	44,023		44,023
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	7,553		7,553
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	3,833		3,833
Financing Receivable, Excluding Accrued Interest, Revolving	0		0
Loans held for investment	175,353		175,353		115,401
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff			0
Charge-offs			0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Florida region [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	5,197		5,197
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	8,742		8,742
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Revolving	18,050		18,050
Loans held for investment	31,989		31,989		99,376
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff			0
Charge-offs			0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	27,280		27,280
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	103,542		103,542
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	40,799		40,799
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	7,553		7,553
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	2,406		2,406
Financing Receivable, Excluding Accrued Interest, Revolving	18,050		18,050
Loans held for investment	199,630		199,630		212,546
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Pass [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	22,083		22,083
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	94,800		94,800
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	40,799		40,799
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	7,553		7,553
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	2,406		2,406
Financing Receivable, Excluding Accrued Interest, Revolving	0		0
Loans held for investment	167,641		167,641		113,170
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Pass [Member] | Florida region [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	5,197		5,197
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	8,742		8,742
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Revolving	18,050		18,050
Loans held for investment	31,989		31,989		99,376
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Revolving	0		0
Loans held for investment	0		0		0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Special Mention [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Revolving	0		0
Loans held for investment	0		0		0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Special Mention [Member] | Florida region [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Revolving	0		0
Loans held for investment	0		0		0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	3,061		3,061
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	3,224		3,224
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	1,427		1,427
Financing Receivable, Excluding Accrued Interest, Revolving	0		0
Loans held for investment	7,712		7,712		2,231
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Substandard [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	3,061		3,061
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	3,224		3,224
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	1,427		1,427
Financing Receivable, Excluding Accrued Interest, Revolving	0		0
Loans held for investment	7,712		7,712		2,231
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Substandard [Member] | Florida region [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Revolving	0		0
Loans held for investment	0		0		0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Revolving	0		0
Loans held for investment	0		0		0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Doubtful [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Revolving	0		0
Loans held for investment	0		0		0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Doubtful [Member] | Florida region [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Revolving	0		0
Loans held for investment	0		0		0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Revolving	0		0
Loans held for investment	0		0		0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Loss [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Revolving	0		0
Loans held for investment	0		0		0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Loss [Member] | Florida region [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Revolving	0		0
Loans held for investment	0		0		0
Commercial Portfolio Segment [Member] | Mortgage loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	190,774		190,774
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	202,862		202,862
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	638,915		638,915
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	250,561		250,561
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	384,769		384,769
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	774,486		774,486
Financing Receivable, Excluding Accrued Interest, Revolving	29,513		29,513
Loans held for investment	2,471,880		2,471,880		2,317,083
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff			0
Charge-offs	0	1	0	107
Commercial Portfolio Segment [Member] | Mortgage loans [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	129,282		129,282
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	174,072		174,072
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	397,491		397,491
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	145,268		145,268
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	344,891		344,891
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	600,970		600,970
Financing Receivable, Excluding Accrued Interest, Revolving	5,359		5,359
Loans held for investment	1,797,333		1,797,333		1,790,637
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff			0
Charge-offs			0
Commercial Portfolio Segment [Member] | Mortgage loans [Member] | Florida region [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	61,492		61,492
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	28,790		28,790
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	241,424		241,424
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	105,293		105,293
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	39,878		39,878
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	173,516		173,516
Financing Receivable, Excluding Accrued Interest, Revolving	24,154		24,154
Loans held for investment	674,547		674,547		526,446
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff			0
Charge-offs			0
Commercial Portfolio Segment [Member] | Mortgage loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	190,637		190,637
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	199,118		199,118
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	622,441		622,441
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	250,561		250,561
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	353,608		353,608
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	637,218		637,218
Financing Receivable, Excluding Accrued Interest, Revolving	29,513		29,513
Loans held for investment	2,283,096		2,283,096		2,143,857
Commercial Portfolio Segment [Member] | Mortgage loans [Member] | Pass [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	129,145		129,145
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	170,328		170,328
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	393,259		393,259
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	145,268		145,268
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	314,723		314,723
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	463,702		463,702
Financing Receivable, Excluding Accrued Interest, Revolving	5,359		5,359
Loans held for investment	1,621,784		1,621,784		1,618,404
Commercial Portfolio Segment [Member] | Mortgage loans [Member] | Pass [Member] | Florida region [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	61,492		61,492
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	28,790		28,790
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	229,182		229,182
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	105,293		105,293
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	38,885		38,885
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	173,516		173,516
Financing Receivable, Excluding Accrued Interest, Revolving	24,154		24,154
Loans held for investment	661,312		661,312		525,453
Commercial Portfolio Segment [Member] | Mortgage loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	3,744		3,744
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	16,474		16,474
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	30,168		30,168
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	110,684		110,684
Financing Receivable, Excluding Accrued Interest, Revolving	0		0
Loans held for investment	161,070		161,070		146,626
Commercial Portfolio Segment [Member] | Mortgage loans [Member] | Special Mention [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	3,744		3,744
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	4,232		4,232
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	30,168		30,168
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	110,684		110,684
Financing Receivable, Excluding Accrued Interest, Revolving	0		0
Loans held for investment	148,828		148,828		146,626
Commercial Portfolio Segment [Member] | Mortgage loans [Member] | Special Mention [Member] | Florida region [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	12,242		12,242
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Revolving	0		0
Loans held for investment	12,242		12,242		0
Commercial Portfolio Segment [Member] | Mortgage loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	137		137
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	993		993
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	26,584		26,584
Financing Receivable, Excluding Accrued Interest, Revolving	0		0
Loans held for investment	27,714		27,714		26,600
Commercial Portfolio Segment [Member] | Mortgage loans [Member] | Substandard [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	137		137
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	26,584		26,584
Financing Receivable, Excluding Accrued Interest, Revolving	0		0
Loans held for investment	26,721		26,721		25,607
Commercial Portfolio Segment [Member] | Mortgage loans [Member] | Substandard [Member] | Florida region [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	993		993
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Revolving	0		0
Loans held for investment	993		993		993
Commercial Portfolio Segment [Member] | Mortgage loans [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Revolving	0		0
Loans held for investment	0		0		0
Commercial Portfolio Segment [Member] | Mortgage loans [Member] | Doubtful [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Revolving	0		0
Loans held for investment	0		0		0
Commercial Portfolio Segment [Member] | Mortgage loans [Member] | Doubtful [Member] | Florida region [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Revolving	0		0
Loans held for investment	0		0		0
Commercial Portfolio Segment [Member] | Mortgage loans [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Revolving	0		0
Loans held for investment	0		0		0
Commercial Portfolio Segment [Member] | Mortgage loans [Member] | Loss [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Revolving	0		0
Loans held for investment	0		0		0
Commercial Portfolio Segment [Member] | Mortgage loans [Member] | Loss [Member] | Florida region [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Revolving	0		0
Loans held for investment	0		0		0
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	353,149		353,149
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	562,344		562,344
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	495,806		495,806
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	315,152		315,152
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	169,224		169,224
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	438,187		438,187
Financing Receivable, Excluding Accrued Interest, Revolving	871,451		871,451
Loans held for investment	3,205,313		3,205,313		3,174,232
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff			106
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff			304
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff			1,238
Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff			493
Charge-offs	1,350	$ 9	2,141	$ 6,477
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	184,652		184,652
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	400,297		400,297
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	281,462		281,462
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	152,201		152,201
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	144,452		144,452
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	326,542		326,542
Financing Receivable, Excluding Accrued Interest, Revolving	754,024		754,024
Loans held for investment	2,243,630		2,243,630		2,249,408
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff			106
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff			304
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff			1,190
Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff			234
Charge-offs			1,834
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Florida region [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	168,497		168,497
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	162,047		162,047
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	214,344		214,344
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	162,951		162,951
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	24,772		24,772
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	111,645		111,645
Financing Receivable, Excluding Accrued Interest, Revolving	117,427		117,427
Loans held for investment	961,683		961,683		924,824
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff			0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff			48
Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff			259
Charge-offs			307
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	352,957		352,957
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	560,004		560,004
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	495,806		495,806
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	290,704		290,704
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	169,224		169,224
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	407,550		407,550
Financing Receivable, Excluding Accrued Interest, Revolving	833,455		833,455
Loans held for investment	3,109,700		3,109,700		3,053,134
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Pass [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	184,460		184,460
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	397,957		397,957
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	281,462		281,462
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	127,753		127,753
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	144,452		144,452
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	307,136		307,136
Financing Receivable, Excluding Accrued Interest, Revolving	716,028		716,028
Loans held for investment	2,159,248		2,159,248		2,173,939
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Pass [Member] | Florida region [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	168,497		168,497
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	162,047		162,047
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	214,344		214,344
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	162,951		162,951
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	24,772		24,772
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	100,414		100,414
Financing Receivable, Excluding Accrued Interest, Revolving	117,427		117,427
Loans held for investment	950,452		950,452		879,195
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	2,340		2,340
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	10,005		10,005
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	11,647		11,647
Financing Receivable, Excluding Accrued Interest, Revolving	29,378		29,378
Loans held for investment	53,370		53,370		82,422
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Special Mention [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	2,340		2,340
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	10,005		10,005
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	416		416
Financing Receivable, Excluding Accrued Interest, Revolving	29,378		29,378
Loans held for investment	42,139		42,139		40,376
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Special Mention [Member] | Florida region [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	11,231		11,231
Financing Receivable, Excluding Accrued Interest, Revolving	0		0
Loans held for investment	11,231		11,231		42,046
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	192		192
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	14,443		14,443
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	18,990		18,990
Financing Receivable, Excluding Accrued Interest, Revolving	8,074		8,074
Loans held for investment	41,699		41,699		38,676
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Substandard [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	192		192
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	14,443		14,443
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	18,990		18,990
Financing Receivable, Excluding Accrued Interest, Revolving	8,074		8,074
Loans held for investment	41,699		41,699		35,093
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Substandard [Member] | Florida region [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0		0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0		0
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