Allowance for credit losses - loans held-in-portfolio - Schedule of Financing Receivable Credit Quality Indicators (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	$ 3,966,157		$ 3,966,157		$ 7,679,690
Year two	7,330,872		7,330,872		5,890,953
Year three	5,352,069		5,352,069		4,746,026
Year four	3,937,871		3,937,871		4,870,268
Year five	4,346,192		4,346,192		3,267,723
Prior Years	11,019,330		11,019,330		9,181,242
Revolving Loans Amortized Cost Basis	3,753,410		3,753,410		3,648,845
Revolving Loans Converted to Term Loans Amortized Cost Basis	43,961		43,961		42,771
Total	39,749,862		39,749,862		39,327,518
Year-to-Date gross write-offs
Total	132,790	$ 64,290	214,953	$ 139,358
Construction
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	167,851		167,851		388,416
Year two	479,928		479,928		586,157
Year three	574,312		574,312		478,111
Year four	291,992		291,992		129,986
Year five	99,692		99,692		3,608
Prior Years	11,747		11,747		22,663
Revolving Loans Amortized Cost Basis	106,553		106,553		65,958
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	1,732,075		1,732,075		1,674,899
Year-to-Date gross write-offs
Total	0	0	0	0
Construction | Pass
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	167,851		167,851		387,050
Year two	464,301		464,301		527,184
Year three	503,270		503,270		362,388
Year four	233,026		233,026		85,385
Year five	60,026		60,026		3,608
Prior Years	11,747		11,747		15,722
Revolving Loans Amortized Cost Basis	106,757		106,757		65,249
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	1,546,978		1,546,978		1,446,586
Construction | Watch
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		1,366
Year two	15,627		15,627		58,973
Year three	63,358		63,358		112,811
Year four	58,966		58,966		35,999
Year five	31,063		31,063		0
Prior Years	0		0		6,941
Revolving Loans Amortized Cost Basis					709
Revolving Loans Amortized Cost Basis	(204)		(204)
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	168,810		168,810		216,799
Construction | Special Mention
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one					0
Year two					0
Year three					2,912
Year four					0
Year five					0
Prior Years					0
Revolving Loans Amortized Cost Basis					0
Revolving Loans Converted to Term Loans Amortized Cost Basis					0
Total					2,912
Construction | Substandard
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		0
Year three	7,684		7,684		0
Year four	0		0		8,602
Year five	8,603		8,603		0
Prior Years	0		0		0
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	16,287		16,287		8,602
Mortgage
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	432,847		432,847		1,087,005
Year two	1,088,925		1,088,925		951,143
Year three	915,886		915,886		766,451
Year four	732,322		732,322		594,174
Year five	576,029		576,029		634,011
Prior Years	5,034,325		5,034,325		4,616,656
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	8,780,334		8,780,334		8,649,440
Year-to-Date gross write-offs
Year one			0		31
Year two			4		0
Year three			0		1
Year four			0		0
Year five			0		0
Prior Years			530		1,404
Revolving Loans Amortized Cost Basis			0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis			0		0
Total	32	550	534	985	1,436
Mortgage | Pass
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	432,847		432,847		1,087,005
Year two	1,088,747		1,088,747		950,992
Year three	914,736		914,736		762,692
Year four	728,582		728,582		591,764
Year five	573,185		573,185		633,030
Prior Years	4,962,927		4,962,927		4,542,964
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	8,701,024		8,701,024		8,568,447
Mortgage | Substandard
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	178		178		151
Year three	1,150		1,150		3,759
Year four	3,740		3,740		2,410
Year five	2,844		2,844		981
Prior Years	71,398		71,398		73,692
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	79,310		79,310		80,993
Commercial
Year-to-Date gross write-offs
Total	77,075	3,127	90,944	7,752
Commercial | Commercial multi-family
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	163,418		163,418		362,400
Year two	361,039		361,039		189,831
Year three	186,976		186,976		180,244
Year four	179,015		179,015		616,982
Year five	574,678		574,678		334,685
Prior Years	923,916		923,916		765,898
Revolving Loans Amortized Cost Basis	10,382		10,382		5,750
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	2,399,424		2,399,424		2,455,790
Year-to-Date gross write-offs
Year one			0		0
Year two			0		0
Year three			0		0
Year four			0		0
Year five			0		0
Prior Years			1,312		563
Revolving Loans Amortized Cost Basis			0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis			0		0
Total	1,312	563	1,312	563	563
Commercial | Commercial multi-family | Pass
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	163,267		163,267		362,178
Year two	360,821		360,821		171,568
Year three	167,994		167,994		154,616
Year four	154,580		154,580		511,755
Year five	505,177		505,177		294,731
Prior Years	762,995		762,995		581,926
Revolving Loans Amortized Cost Basis	10,382		10,382		4,501
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	2,125,216		2,125,216		2,081,275
Commercial | Commercial multi-family | Watch
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		18,263
Year three	18,982		18,982		21,142
Year four	20,301		20,301		94,658
Year five	68,709		68,709		39,881
Prior Years	132,707		132,707		153,268
Revolving Loans Amortized Cost Basis	0		0		1,249
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	240,699		240,699		328,461
Commercial | Commercial multi-family | Special Mention
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	151		151		222
Year two	218		218		0
Year three	0		0		2,711
Year four	2,367		2,367		7,840
Year five	792		792		73
Prior Years	2,228		2,228		4,687
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	5,756		5,756		15,533
Commercial | Commercial multi-family | Substandard
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		0
Year three	0		0		1,775
Year four	1,767		1,767		2,729
Year five	0		0		0
Prior Years	25,986		25,986		26,017
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	27,753		27,753		30,521
Commercial | Commercial real estate Non-owner occupied
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	359,921		359,921		687,187
Year two	691,644		691,644		635,745
Year three	524,817		524,817		625,611
Year four	628,332		628,332		1,309,164
Year five	1,220,055		1,220,055		721,772
Prior Years	2,101,488		2,101,488		1,548,801
Revolving Loans Amortized Cost Basis	94,618		94,618		15,004
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	5,620,875		5,620,875		5,543,284
Year-to-Date gross write-offs
Year one			0		0
Year two			0		13,356
Year three			0		0
Year four			0		134
Year five			11,131		0
Prior Years			743		86
Revolving Loans Amortized Cost Basis			0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis			0		0
Total	743	21	11,874	86	13,576
Commercial | Commercial real estate Non-owner occupied | Pass
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	338,779		338,779		652,153
Year two	666,938		666,938		609,616
Year three	515,540		515,540		561,891
Year four	573,214		573,214		1,254,276
Year five	1,178,019		1,178,019		648,411
Prior Years	1,794,568		1,794,568		1,253,459
Revolving Loans Amortized Cost Basis	93,114		93,114		14,504
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	5,160,172		5,160,172		4,994,310
Commercial | Commercial real estate Non-owner occupied | Watch
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	20,857		20,857		34,101
Year two	22,246		22,246		23,334
Year three	5,320		5,320		54,442
Year four	45,917		45,917		20,281
Year five	17,766		17,766		43,473
Prior Years	119,319		119,319		134,903
Revolving Loans Amortized Cost Basis	1,264		1,264		500
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	232,689		232,689		311,034
Commercial | Commercial real estate Non-owner occupied | Special Mention
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		933
Year two	2,182		2,182		2,069
Year three	0		0		872
Year four	864		864		144
Year five	138		138		23,724
Prior Years	42,307		42,307		20,300
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	45,491		45,491		48,042
Commercial | Commercial real estate Non-owner occupied | Substandard
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	285		285		0
Year two	278		278		726
Year three	3,957		3,957		8,406
Year four	8,337		8,337		34,463
Year five	24,132		24,132		6,164
Prior Years	145,294		145,294		140,139
Revolving Loans Amortized Cost Basis	240		240		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	182,523		182,523		189,898
Commercial | Commercial real estate Owner occupied
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	498,211		498,211		734,739
Year two	734,840		734,840		411,014
Year three	404,464		404,464		312,662
Year four	251,567		251,567		387,307
Year five	334,990		334,990		401,985
Prior Years	1,017,829		1,017,829		869,232
Revolving Loans Amortized Cost Basis	14,801		14,801		36,141
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	3,256,702		3,256,702		3,153,080
Year-to-Date gross write-offs
Year one			1		0
Year two			0		0
Year three			0		0
Year four			0		0
Year five			0		0
Prior Years			90		390
Revolving Loans Amortized Cost Basis			0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis			0		0
Total	0	28	91	129	390
Commercial | Commercial real estate Owner occupied | Pass
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	486,053		486,053		719,004
Year two	708,595		708,595		312,724
Year three	325,891		325,891		263,462
Year four	190,879		190,879		244,251
Year five	252,333		252,333		350,018
Prior Years	720,462		720,462		566,934
Revolving Loans Amortized Cost Basis	10,137		10,137		29,271
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	2,694,350		2,694,350		2,485,664
Commercial | Commercial real estate Owner occupied | Watch
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	4,555		4,555		6,255
Year two	7,902		7,902		75,760
Year three	53,075		53,075		45,867
Year four	57,565		57,565		66,329
Year five	58,947		58,947		42,222
Prior Years	128,035		128,035		130,056
Revolving Loans Amortized Cost Basis	1,700		1,700		5,370
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	311,779		311,779		371,859
Commercial | Commercial real estate Owner occupied | Special Mention
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	1,165		1,165		0
Year two	0		0		17,946
Year three	20,462		20,462		1,494
Year four	1,325		1,325		18,063
Year five	3,508		3,508		726
Prior Years	29,945		29,945		23,581
Revolving Loans Amortized Cost Basis	1,500		1,500		1,500
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	57,905		57,905		63,310
Commercial | Commercial real estate Owner occupied | Substandard
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	6,438		6,438		9,405
Year two	18,272		18,272		4,584
Year three	5,036		5,036		1,839
Year four	1,798		1,798		58,664
Year five	19,982		19,982		8,957
Prior Years	139,326		139,326		148,488
Revolving Loans Amortized Cost Basis	1,464		1,464		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	192,316		192,316		231,937
Commercial | Commercial real estate Owner occupied | Doubtful
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		75
Year two	71		71		0
Year three	0		0		0
Year four	0		0		0
Year five	220		220		62
Prior Years	61		61		173
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	352		352		310
Commercial | Commercial and industrial
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	908,551		908,551		1,694,944
Year two	1,671,563		1,671,563		1,098,345
Year three	1,065,026		1,065,026		1,010,176
Year four	735,277		735,277		936,859
Year five	836,846		836,846		649,441
Prior Years	1,412,361		1,412,361		1,083,494
Revolving Loans Amortized Cost Basis	2,144,460		2,144,460		2,134,153
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	8,774,084		8,774,084		8,607,412
Year-to-Date gross write-offs
Year one			637		1,687
Year two			532		1,822
Year three			677		2,126
Year four			465		655
Year five			32		620
Prior Years			71,352		828
Revolving Loans Amortized Cost Basis			3,972		9,452
Revolving Loans Converted to Term Loans Amortized Cost Basis			0		0
Total	75,020	2,515	77,667	6,974	17,190
Commercial | Commercial and industrial | Pass
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	877,920		877,920		1,605,104
Year two	1,575,108		1,575,108		956,243
Year three	927,937		927,937		879,951
Year four	628,055		628,055		721,703
Year five	660,071		660,071		442,640
Prior Years	1,243,849		1,243,849		891,894
Revolving Loans Amortized Cost Basis	1,747,389		1,747,389		1,714,881
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	7,660,329		7,660,329		7,212,416
Commercial | Commercial and industrial | Watch
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	17,031		17,031		46,406
Year two	41,540		41,540		97,674
Year three	95,362		95,362		66,330
Year four	45,476		45,476		114,296
Year five	82,046		82,046		48,981
Prior Years	147,438		147,438		170,586
Revolving Loans Amortized Cost Basis	229,855		229,855		239,140
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	658,748		658,748		783,413
Commercial | Commercial and industrial | Special Mention
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	2,933		2,933		4,991
Year two	17,628		17,628		26,356
Year three	29,036		29,036		14,827
Year four	6,445		6,445		6,920
Year five	2,447		2,447		738
Prior Years	2,523		2,523		4,536
Revolving Loans Amortized Cost Basis	17,639		17,639		15,695
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	78,651		78,651		74,063
Commercial | Commercial and industrial | Substandard
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	10,667		10,667		38,422
Year two	37,287		37,287		18,072
Year three	12,691		12,691		49,068
Year four	55,301		55,301		93,916
Year five	92,282		92,282		157,082
Prior Years	18,551		18,551		16,472
Revolving Loans Amortized Cost Basis	149,577		149,577		164,437
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	376,356		376,356		537,469
Commercial | Commercial and industrial | Doubtful
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one					21
Year two					0
Year three					0
Year four					24
Year five					0
Prior Years					6
Revolving Loans Amortized Cost Basis					0
Revolving Loans Converted to Term Loans Amortized Cost Basis					0
Total					51
Leasing
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	349,000		349,000		683,154
Year two	562,138		562,138		537,118
Year three	462,614		462,614		357,194
Year four	298,254		298,254		253,769
Year five	202,140		202,140		137,275
Prior Years	93,889		93,889		32,855
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	1,968,035		1,968,035		2,001,365
Year-to-Date gross write-offs
Year one			84		990
Year two			1,789		4,449
Year three			1,935		5,041
Year four			1,749		4,541
Year five			1,408		1,807
Prior Years			462		28
Revolving Loans Amortized Cost Basis			0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis			0		0
Total	3,342	3,982	7,427	8,526	16,856
Leasing | Pass
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	348,900		348,900		682,378
Year two	561,420		561,420		535,227
Year three	460,808		460,808		354,748
Year four	296,553		296,553		251,520
Year five	200,206		200,206		135,973
Prior Years	92,965		92,965		32,270
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	1,960,852		1,960,852		1,992,116
Leasing | Substandard
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	100		100		601
Year two	718		718		1,891
Year three	1,806		1,806		2,424
Year four	1,701		1,701		2,249
Year five	1,934		1,934		1,302
Prior Years	924		924		585
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	7,183		7,183		9,052
Leasing | Loss
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one					175
Year two					0
Year three					22
Year four					0
Year five					0
Prior Years					0
Revolving Loans Amortized Cost Basis					0
Revolving Loans Converted to Term Loans Amortized Cost Basis					0
Total					197
Consumer
Year-to-Date gross write-offs
Total	52,341	56,631	116,048	122,095
Consumer | Credit cards
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		0
Year three	0		0		0
Year four	0		0		0
Year five	0		0		0
Prior Years	0		0		0
Revolving Loans Amortized Cost Basis	1,237,997		1,237,997		1,256,717
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	1,237,997		1,237,997		1,256,717
Year-to-Date gross write-offs
Year one			0		0
Year two			0		0
Year three			0		0
Year four			0		0
Year five			0		0
Prior Years			0		0
Revolving Loans Amortized Cost Basis			36,958		75,428
Revolving Loans Converted to Term Loans Amortized Cost Basis			0		0
Total	17,723	20,011	36,958	38,876	75,428
Consumer | Credit cards | Pass
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		0
Year three	0		0		0
Year four	0		0		0
Year five	0		0		0
Prior Years	0		0		0
Revolving Loans Amortized Cost Basis	1,214,629		1,214,629		1,229,187
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	1,214,629		1,214,629		1,229,187
Consumer | Credit cards | Substandard
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		0
Year three	0		0		0
Year four	0		0		0
Year five	0		0		0
Prior Years	0		0		0
Revolving Loans Amortized Cost Basis	23,355		23,355		27,526
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	23,355		23,355		27,526
Consumer | Credit cards | Loss
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		0
Year three	0		0		0
Year four	0		0		0
Year five	0		0		0
Prior Years	0		0		0
Revolving Loans Amortized Cost Basis	13		13		4
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	13		13		4
Consumer | HELOCs
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		0
Year three	0		0		0
Year four	0		0		0
Year five	0		0		0
Prior Years	5,871		5,871		6,616
Revolving Loans Amortized Cost Basis	68,949		68,949		61,283
Revolving Loans Converted to Term Loans Amortized Cost Basis	10,537		10,537		10,793
Total	85,357		85,357		78,692
Year-to-Date gross write-offs
Year one			0		0
Year two			0		0
Year three			0		0
Year four			0		0
Year five			0		0
Prior Years			0		0
Revolving Loans Amortized Cost Basis			29		109
Revolving Loans Converted to Term Loans Amortized Cost Basis			0		0
Total	29	16	29	71	109
Consumer | HELOCs | Pass
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		0
Year three	0		0		0
Year four	0		0		0
Year five	0		0		0
Prior Years	4,664		4,664		5,201
Revolving Loans Amortized Cost Basis	68,939		68,939		61,271
Revolving Loans Converted to Term Loans Amortized Cost Basis	8,434		8,434		9,422
Total	82,037		82,037		75,894
Consumer | HELOCs | Substandard
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		0
Year three	0		0		0
Year four	0		0		0
Year five	0		0		0
Prior Years	1,168		1,168		1,276
Revolving Loans Amortized Cost Basis	10		10		12
Revolving Loans Converted to Term Loans Amortized Cost Basis	1,398		1,398		543
Total	2,576		2,576		1,831
Consumer | HELOCs | Loss
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		0
Year three	0		0		0
Year four	0		0		0
Year five	0		0		0
Prior Years	39		39		139
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	705		705		828
Total	744		744		967
Consumer | Personal
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	501,262		501,262		862,726
Year two	682,351		682,351		443,705
Year three	322,524		322,524		277,368
Year four	200,919		200,919		149,941
Year five	103,119		103,119		55,054
Prior Years	109,126		109,126		85,456
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	33,424		33,424		31,978
Total	1,952,725		1,952,725		1,906,228
Year-to-Date gross write-offs
Year one			90		2,634
Year two			8,604		21,267
Year three			9,930		35,522
Year four			9,696		21,245
Year five			4,218		5,214
Prior Years			8,653		2,206
Revolving Loans Amortized Cost Basis			0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis			1,612		3,031
Total	20,241	22,473	42,803	47,052	91,119
Consumer | Personal | Pass
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	501,193		501,193		861,190
Year two	679,457		679,457		440,062
Year three	319,564		319,564		273,543
Year four	198,453		198,453		148,144
Year five	101,793		101,793		54,381
Prior Years	102,685		102,685		78,486
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	31,586		31,586		29,700
Total	1,934,731		1,934,731		1,885,506
Consumer | Personal | Substandard
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	69		69		1,526
Year two	2,818		2,818		3,639
Year three	2,828		2,828		3,818
Year four	2,370		2,370		1,785
Year five	1,275		1,275		673
Prior Years	6,397		6,397		6,910
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	1,793		1,793		2,278
Total	17,550		17,550		20,629
Consumer | Personal | Loss
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		10
Year two	76		76		4
Year three	132		132		7
Year four	96		96		12
Year five	51		51		0
Prior Years	44		44		60
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	45		45		0
Total	444		444		93
Consumer | Auto
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	570,628		570,628		1,143,403
Year two	1,027,645		1,027,645		1,012,842
Year three	876,733		876,733		717,765
Year four	603,623		603,623		475,704
Year five	384,303		384,303		322,330
Prior Years	303,716		303,716		147,768
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	3,766,648		3,766,648		3,819,812
Year-to-Date gross write-offs
Year one			603		6,682
Year two			9,305		29,448
Year three			11,182		20,777
Year four			8,032		12,602
Year five			3,535		5,203
Prior Years			1,265		1,572
Revolving Loans Amortized Cost Basis			0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis			0		0
Total	12,772	13,418	33,922	34,474	76,284
Consumer | Auto | Pass
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	570,260		570,260		1,139,411
Year two	1,021,269		1,021,269		995,283
Year three	865,716		865,716		702,884
Year four	594,559		594,559		464,005
Year five	377,339		377,339		314,721
Prior Years	297,223		297,223		142,456
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	3,726,366		3,726,366		3,758,760
Consumer | Auto | Substandard
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	368		368		3,992
Year two	6,376		6,376		17,559
Year three	11,005		11,005		14,881
Year four	9,064		9,064		11,699
Year five	6,953		6,953		7,590
Prior Years	6,489		6,489		5,306
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	40,255		40,255		61,027
Consumer | Auto | Loss
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		0
Year three	12		12		0
Year four	0		0		0
Year five	11		11		19
Prior Years	4		4		6
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	27		27		25
Consumer | Other consumer
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	14,468		14,468		35,716
Year two	30,799		30,799		25,053
Year three	18,717		18,717		20,444
Year four	16,570		16,570		16,382
Year five	14,340		14,340		7,562
Prior Years	5,062		5,062		1,803
Revolving Loans Amortized Cost Basis	75,650		75,650		73,839
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	175,606		175,606		180,799
Year-to-Date gross write-offs
Year one			5		64
Year two			204		226
Year three			78		286
Year four			99		254
Year five			750		358
Prior Years			1,174		1,960
Revolving Loans Amortized Cost Basis			26		924
Revolving Loans Converted to Term Loans Amortized Cost Basis			0		0
Total	1,576	713	2,336	1,622	4,072
Consumer | Other consumer | Pass
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	14,468		14,468		35,716
Year two	30,799		30,799		25,008
Year three	18,708		18,708		20,233
Year four	14,362		14,362		15,243
Year five	13,833		13,833		7,179
Prior Years	4,231		4,231		1,756
Revolving Loans Amortized Cost Basis	75,325		75,325		73,334
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	171,726		171,726		178,469
Consumer | Other consumer | Substandard
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		45
Year three	9		9		211
Year four	2,208		2,208		114
Year five	29		29		20
Prior Years	133		133		47
Revolving Loans Amortized Cost Basis	325		325		477
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	2,704		2,704		914
Consumer | Other consumer | Loss
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		0
Year three	0		0		0
Year four	0		0		1,025
Year five	478		478		363
Prior Years	698		698		0
Revolving Loans Amortized Cost Basis	0		0		28
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	1,176		1,176		1,416
BPPR
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	3,010,768		3,010,768		5,780,091
Year two	5,327,207		5,327,207		4,397,712
Year three	3,992,638		3,992,638		3,319,515
Year four	2,703,305		2,703,305		2,939,917
Year five	2,615,044		2,615,044		2,025,094
Prior Years	7,119,456		7,119,456		5,979,515
Revolving Loans Amortized Cost Basis	3,174,994		3,174,994		3,184,806
Revolving Loans Converted to Term Loans Amortized Cost Basis	33,424		33,424		31,978
Total	27,976,836		27,976,836		27,658,628
Year-to-Date gross write-offs
Total	129,624	60,715	209,908	131,939
BPPR | Construction
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	10,894		10,894		28,575
Year two	42,876		42,876		143,165
Year three	176,086		176,086		110,905
Year four	85,869		85,869		8,129
Year five	4,315		4,315		3,608
Prior Years	11,747		11,747		9,692
Revolving Loans Amortized Cost Basis	94,063		94,063		53,467
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	425,850		425,850		357,541
Year-to-Date gross write-offs
Total	0	0	0	0
BPPR | Construction | Pass
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	10,894		10,894		28,575
Year two	40,870		40,870		99,963
Year three	128,453		128,453		70,674
Year four	54,747		54,747		0
Year five	0		0		3,608
Prior Years	11,747		11,747		9,692
Revolving Loans Amortized Cost Basis	94,267		94,267		52,758
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	340,978		340,978		265,270
BPPR | Construction | Watch
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	2,006		2,006		43,202
Year three	47,633		47,633		40,231
Year four	31,122		31,122		8,129
Year five	4,315		4,315		0
Prior Years	0		0		0
Revolving Loans Amortized Cost Basis	(204)		(204)		709
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	84,872		84,872		92,271
BPPR | Mortgage
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	430,389		430,389		986,795
Year two	995,594		995,594		872,977
Year three	844,831		844,831		686,440
Year four	654,601		654,601		388,233
Year five	374,469		374,469		373,917
Prior Years	4,229,666		4,229,666		4,039,605
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	7,529,550		7,529,550		7,347,967
Year-to-Date gross write-offs
Year one			0		31
Year two			4		0
Year three			0		1
Year four			0		0
Year five			0		0
Prior Years			507		1,404
Revolving Loans Amortized Cost Basis			0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis			0		0
Total	28	550	511	985	1,436
BPPR | Mortgage | Pass
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	430,389		430,389		986,795
Year two	995,416		995,416		872,826
Year three	843,681		843,681		683,325
Year four	651,505		651,505		386,318
Year five	371,625		371,625		373,153
Prior Years	4,167,857		4,167,857		3,977,979
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	7,460,473		7,460,473		7,280,396
BPPR | Mortgage | Substandard
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	178		178		151
Year three	1,150		1,150		3,115
Year four	3,096		3,096		1,915
Year five	2,844		2,844		764
Prior Years	61,809		61,809		61,626
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	69,077		69,077		67,571
BPPR | Commercial
Year-to-Date gross write-offs
Total	75,492	2,501	89,332	5,967
BPPR | Commercial | Commercial multi-family
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	46,945		46,945		12,550
Year two	11,121		11,121		48,701
Year three	47,743		47,743		36,473
Year four	36,492		36,492		131,799
Year five	130,459		130,459		20,609
Prior Years	73,199		73,199		53,109
Revolving Loans Amortized Cost Basis	0		0		107
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	345,959		345,959		303,348
Year-to-Date gross write-offs
Total	0	0	0	0
BPPR | Commercial | Commercial multi-family | Pass
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	46,794		46,794		12,328
Year two	10,903		10,903		32,906
Year three	32,123		32,123		36,473
Year four	36,492		36,492		131,276
Year five	129,945		129,945		20,536
Prior Years	65,162		65,162		47,303
Revolving Loans Amortized Cost Basis	0		0		107
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	321,419		321,419		280,929
BPPR | Commercial | Commercial multi-family | Watch
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		15,795
Year three	15,620		15,620		0
Year four	0		0		523
Year five	514		514		0
Prior Years	4,117		4,117		1,742
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	20,251		20,251		18,060
BPPR | Commercial | Commercial multi-family | Special Mention
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	151		151		222
Year two	218		218		0
Year three	0		0		0
Year four	0		0		0
Year five	0		0		73
Prior Years	187		187		127
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	556		556		422
BPPR | Commercial | Commercial multi-family | Substandard
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		0
Year three	0		0		0
Year four	0		0		0
Year five	0		0		0
Prior Years	3,733		3,733		3,937
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	3,733		3,733		3,937
BPPR | Commercial | Commercial real estate Non-owner occupied
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	131,327		131,327		460,350
Year two	463,391		463,391		459,925
Year three	421,801		421,801		317,517
Year four	296,947		296,947		820,239
Year five	774,544		774,544		543,729
Prior Years	1,221,110		1,221,110		784,890
Revolving Loans Amortized Cost Basis	11,975		11,975		8,480
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	3,321,095		3,321,095		3,395,130
Year-to-Date gross write-offs
Year one			0		0
Year two			0		13,356
Year three			0		0
Year four			0		134
Year five			11,131		0
Prior Years			743		86
Revolving Loans Amortized Cost Basis			0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis			0		0
Total	743	21	11,874	86	13,576
BPPR | Commercial | Commercial real estate Non-owner occupied | Pass
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	110,185		110,185		435,616
Year two	438,963		438,963		447,234
Year three	415,760		415,760		265,238
Year four	247,109		247,109		786,465
Year five	754,226		754,226		484,427
Prior Years	1,079,537		1,079,537		671,455
Revolving Loans Amortized Cost Basis	10,471		10,471		8,480
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	3,056,251		3,056,251		3,098,915
BPPR | Commercial | Commercial real estate Non-owner occupied | Watch
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	20,857		20,857		23,801
Year two	22,246		22,246		11,965
Year three	5,320		5,320		43,001
Year four	40,637		40,637		5,140
Year five	2,840		2,840		34,140
Prior Years	74,966		74,966		69,153
Revolving Loans Amortized Cost Basis	1,264		1,264		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	168,130		168,130		187,200
BPPR | Commercial | Commercial real estate Non-owner occupied | Special Mention
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		933
Year two	2,182		2,182		0
Year three	0		0		872
Year four	864		864		144
Year five	138		138		23,724
Prior Years	40,433		40,433		18,398
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	43,617		43,617		44,071
BPPR | Commercial | Commercial real estate Non-owner occupied | Substandard
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	285		285		0
Year two	0		0		726
Year three	721		721		8,406
Year four	8,337		8,337		28,490
Year five	17,340		17,340		1,438
Prior Years	26,174		26,174		25,884
Revolving Loans Amortized Cost Basis	240		240		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	53,097		53,097		64,944
BPPR | Commercial | Commercial real estate Owner occupied
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	101,944		101,944		173,023
Year two	171,722		171,722		142,580
Year three	140,601		140,601		80,969
Year four	56,142		56,142		128,533
Year five	123,095		123,095		206,620
Prior Years	555,162		555,162		440,709
Revolving Loans Amortized Cost Basis	8,015		8,015		24,159
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	1,156,681		1,156,681		1,196,593
Year-to-Date gross write-offs
Year one			1		0
Year two			0		0
Year three			0		0
Year four			0		0
Year five			0		0
Prior Years			90		363
Revolving Loans Amortized Cost Basis			0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis			0		0
Total	0	14	91	103	363
BPPR | Commercial | Commercial real estate Owner occupied | Pass
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	93,386		93,386		157,288
Year two	155,620		155,620		113,778
Year three	112,479		112,479		71,288
Year four	46,443		46,443		55,715
Year five	67,391		67,391		169,037
Prior Years	374,339		374,339		278,495
Revolving Loans Amortized Cost Basis	3,851		3,851		20,468
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	853,509		853,509		866,069
BPPR | Commercial | Commercial real estate Owner occupied | Watch
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	955		955		6,255
Year two	6,135		6,135		26,923
Year three	23,460		23,460		6,348
Year four	6,576		6,576		35,565
Year five	33,902		33,902		29,409
Prior Years	87,268		87,268		78,046
Revolving Loans Amortized Cost Basis	1,200		1,200		2,191
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	159,496		159,496		184,737
BPPR | Commercial | Commercial real estate Owner occupied | Special Mention
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	1,165		1,165		0
Year two	0		0		0
Year three	2,807		2,807		1,494
Year four	1,325		1,325		18,063
Year five	3,508		3,508		726
Prior Years	13,540		13,540		12,637
Revolving Loans Amortized Cost Basis	1,500		1,500		1,500
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	23,845		23,845		34,420
BPPR | Commercial | Commercial real estate Owner occupied | Substandard
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	6,438		6,438		9,405
Year two	9,896		9,896		1,879
Year three	1,855		1,855		1,839
Year four	1,798		1,798		19,190
Year five	18,074		18,074		7,386
Prior Years	79,954		79,954		71,358
Revolving Loans Amortized Cost Basis	1,464		1,464		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	119,479		119,479		111,057
BPPR | Commercial | Commercial real estate Owner occupied | Doubtful
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		75
Year two	71		71		0
Year three	0		0		0
Year four	0		0		0
Year five	220		220		62
Prior Years	61		61		173
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	352		352		310
BPPR | Commercial | Commercial and industrial
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	861,535		861,535		1,412,541
Year two	1,354,131		1,354,131		729,881
Year three	694,991		694,991		726,851
Year four	462,590		462,590		582,934
Year five	513,450		513,450		357,506
Prior Years	519,405		519,405		385,204
Revolving Loans Amortized Cost Basis	1,756,966		1,756,966		1,775,156
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	6,163,068		6,163,068		5,970,073
Year-to-Date gross write-offs
Year one			637		1,587
Year two			532		716
Year three			677		1,643
Year four			207		655
Year five			32		21
Prior Years			71,350		803
Revolving Loans Amortized Cost Basis			3,932		9,320
Revolving Loans Converted to Term Loans Amortized Cost Basis			0		0
Total	74,749	2,466	77,367	5,778	14,745
BPPR | Commercial | Commercial and industrial | Pass
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	833,415		833,415		1,357,401
Year two	1,257,835		1,257,835		598,521
Year three	567,707		567,707		649,249
Year four	390,120		390,120		442,753
Year five	391,512		391,512		193,173
Prior Years	484,216		484,216		346,563
Revolving Loans Amortized Cost Basis	1,390,944		1,390,944		1,376,855
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	5,315,749		5,315,749		4,964,515
BPPR | Commercial | Commercial and industrial | Watch
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	15,541		15,541		11,706
Year two	41,381		41,381		92,478
Year three	90,813		90,813		19,194
Year four	17,181		17,181		43,529
Year five	31,572		31,572		6,909
Prior Years	15,776		15,776		19,218
Revolving Loans Amortized Cost Basis	201,104		201,104		223,490
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	413,368		413,368		416,524
BPPR | Commercial | Commercial and industrial | Special Mention
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	2,933		2,933		4,991
Year two	17,628		17,628		26,356
Year three	29,036		29,036		10,178
Year four	1,103		1,103		6,857
Year five	1,749		1,749		454
Prior Years	2,234		2,234		4,338
Revolving Loans Amortized Cost Basis	17,634		17,634		14,957
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	72,317		72,317		68,131
BPPR | Commercial | Commercial and industrial | Substandard
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	9,646		9,646		38,422
Year two	37,287		37,287		12,526
Year three	7,435		7,435		48,230
Year four	54,186		54,186		89,771
Year five	88,617		88,617		156,970
Prior Years	17,179		17,179		15,079
Revolving Loans Amortized Cost Basis	147,284		147,284		159,854
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	361,634		361,634		520,852
BPPR | Commercial | Commercial and industrial | Doubtful
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one					21
Year two					0
Year three					0
Year four					24
Year five					0
Prior Years					6
Revolving Loans Amortized Cost Basis					0
Revolving Loans Converted to Term Loans Amortized Cost Basis					0
Total					51
BPPR | Leasing
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	349,000		349,000		683,154
Year two	562,138		562,138		537,118
Year three	462,614		462,614		357,194
Year four	298,254		298,254		253,769
Year five	202,140		202,140		137,275
Prior Years	93,889		93,889		32,855
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	1,968,035		1,968,035		2,001,365
Year-to-Date gross write-offs
Year one			84		990
Year two			1,789		4,449
Year three			1,935		5,041
Year four			1,749		4,541
Year five			1,408		1,807
Prior Years			462		28
Revolving Loans Amortized Cost Basis			0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis			0		0
Total	3,342	3,982	7,427	8,526	16,856
BPPR | Leasing | Pass
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	348,900		348,900		682,378
Year two	561,420		561,420		535,227
Year three	460,808		460,808		354,748
Year four	296,553		296,553		251,520
Year five	200,206		200,206		135,973
Prior Years	92,965		92,965		32,270
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	1,960,852		1,960,852		1,992,116
BPPR | Leasing | Substandard
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	100		100		601
Year two	718		718		1,891
Year three	1,806		1,806		2,424
Year four	1,701		1,701		2,249
Year five	1,934		1,934		1,302
Prior Years	924		924		585
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	7,183		7,183		9,052
BPPR | Leasing | Loss
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one					175
Year two					0
Year three					22
Year four					0
Year five					0
Prior Years					0
Revolving Loans Amortized Cost Basis					0
Revolving Loans Converted to Term Loans Amortized Cost Basis					0
Total					197
BPPR | Consumer
Year-to-Date gross write-offs
Total	50,762	53,682	112,638	116,461
BPPR | Consumer | Credit cards
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		0
Year three	0		0		0
Year four	0		0		0
Year five	0		0		0
Prior Years	0		0		0
Revolving Loans Amortized Cost Basis	1,238,010		1,238,010		1,256,731
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	1,238,010		1,238,010		1,256,731
Year-to-Date gross write-offs
Year one			0		0
Year two			0		0
Year three			0		0
Year four			0		0
Year five			0		0
Prior Years			0		0
Revolving Loans Amortized Cost Basis			36,957		75,428
Revolving Loans Converted to Term Loans Amortized Cost Basis			0		0
Total	17,722	20,011	36,957	38,876	75,428
BPPR | Consumer | Credit cards | Pass
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		0
Year three	0		0		0
Year four	0		0		0
Year five	0		0		0
Prior Years	0		0		0
Revolving Loans Amortized Cost Basis	1,214,642		1,214,642		1,229,201
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	1,214,642		1,214,642		1,229,201
BPPR | Consumer | Credit cards | Substandard
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		0
Year three	0		0		0
Year four	0		0		0
Year five	0		0		0
Prior Years	0		0		0
Revolving Loans Amortized Cost Basis	23,355		23,355		4
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	23,355		23,355		4
BPPR | Consumer | Credit cards | Loss
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		0
Year three	0		0		0
Year four	0		0		0
Year five	0		0		0
Prior Years	0		0		0
Revolving Loans Amortized Cost Basis	13		13		27,526
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	13		13		27,526
BPPR | Consumer | HELOCs
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		0
Year three	0		0		0
Year four	0		0		0
Year five	0		0		0
Prior Years	0		0		0
Revolving Loans Amortized Cost Basis	1,852		1,852		1,908
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	1,852		1,852		1,908
Year-to-Date gross write-offs
Year one			0		0
Year two			0		0
Year three			0		0
Year four			0		0
Year five			0		0
Prior Years			0		0
Revolving Loans Amortized Cost Basis			29		25
Revolving Loans Converted to Term Loans Amortized Cost Basis			0		0
Total	29	0	29	25	25
BPPR | Consumer | HELOCs | Pass
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		0
Year three	0		0		0
Year four	0		0		0
Year five	0		0		0
Prior Years	0		0		0
Revolving Loans Amortized Cost Basis	1,852		1,852		1,908
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	1,852		1,852		1,908
BPPR | Consumer | Personal
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	493,638		493,638		843,984
Year two	667,790		667,790		425,470
Year three	308,521		308,521		264,957
Year four	192,217		192,217		134,195
Year five	93,929		93,929		51,938
Prior Years	106,500		106,500		83,880
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	33,424		33,424		31,978
Total	1,896,019		1,896,019		1,836,402
Year-to-Date gross write-offs
Year one			60		2,597
Year two			8,086		19,480
Year three			8,877		33,310
Year four			8,859		17,825
Year five			3,879		4,576
Prior Years			8,047		2,160
Revolving Loans Amortized Cost Basis			0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis			1,612		3,031
Total	18,676	19,553	39,420	41,506	82,979
BPPR | Consumer | Personal | Pass
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	493,599		493,599		842,532
Year two	665,081		665,081		422,156
Year three	305,603		305,603		261,441
Year four	189,902		189,902		132,551
Year five	92,698		92,698		51,320
Prior Years	100,307		100,307		77,214
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	31,586		31,586		29,700
Total	1,878,776		1,878,776		1,816,914
BPPR | Consumer | Personal | Substandard
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	39		39		1,452
Year two	2,633		2,633		3,310
Year three	2,786		2,786		3,509
Year four	2,219		2,219		1,632
Year five	1,180		1,180		618
Prior Years	6,149		6,149		6,654
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	1,793		1,793		2,278
Total	16,799		16,799		19,453
BPPR | Consumer | Personal | Loss
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0
Year two	76		76		4
Year three	132		132		7
Year four	96		96		12
Year five	51		51		0
Prior Years	44		44		12
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	45		45		0
Total	444		444		35
BPPR | Consumer | Auto
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	570,628		570,628		1,143,403
Year two	1,027,645		1,027,645		1,012,842
Year three	876,733		876,733		717,765
Year four	603,623		603,623		475,704
Year five	384,303		384,303		322,330
Prior Years	303,716		303,716		147,768
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	3,766,648		3,766,648		3,819,812
Year-to-Date gross write-offs
Year one			603		6,682
Year two			9,305		29,448
Year three			11,182		20,777
Year four			8,032		12,602
Year five			3,535		5,203
Prior Years			1,265		1,572
Revolving Loans Amortized Cost Basis			0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis			0		0
Total	12,772	13,418	33,922	34,474	76,284
BPPR | Consumer | Auto | Pass
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	570,260		570,260		1,139,411
Year two	1,021,269		1,021,269		995,283
Year three	865,716		865,716		702,884
Year four	594,559		594,559		464,005
Year five	377,339		377,339		314,721
Prior Years	297,223		297,223		142,456
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	3,726,366		3,726,366		3,758,760
BPPR | Consumer | Auto | Substandard
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	368		368		3,992
Year two	6,376		6,376		17,559
Year three	11,005		11,005		14,881
Year four	9,064		9,064		11,699
Year five	6,953		6,953		7,590
Prior Years	6,489		6,489		5,306
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	40,255		40,255		61,027
BPPR | Consumer | Auto | Loss
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		0
Year three	12		12		0
Year four	0		0		0
Year five	11		11		19
Prior Years	4		4		6
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	27		27		25
BPPR | Consumer | Other consumer
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	14,468		14,468		35,716
Year two	30,799		30,799		25,053
Year three	18,717		18,717		20,444
Year four	16,570		16,570		16,382
Year five	14,340		14,340		7,562
Prior Years	5,062		5,062		1,803
Revolving Loans Amortized Cost Basis	64,113		64,113		64,798
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	164,069		164,069		171,758
Year-to-Date gross write-offs
Year one			5		64
Year two			204		226
Year three			78		286
Year four			99		254
Year five			750		358
Prior Years			1,174		1,960
Revolving Loans Amortized Cost Basis			0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis			0		0
Total	1,563	700	2,310	1,580	3,148
BPPR | Consumer | Other consumer | Pass
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	14,468		14,468		35,716
Year two	30,799		30,799		25,008
Year three	18,708		18,708		20,233
Year four	14,362		14,362		15,243
Year five	13,833		13,833		7,179
Prior Years	4,231		4,231		1,756
Revolving Loans Amortized Cost Basis	63,788		63,788		64,322
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	160,189		160,189		169,457
BPPR | Consumer | Other consumer | Substandard
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		45
Year three	9		9		211
Year four	2,208		2,208		114
Year five	29		29		20
Prior Years	133		133		47
Revolving Loans Amortized Cost Basis	325		325		476
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	2,704		2,704		913
BPPR | Consumer | Other consumer | Loss
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		0
Year three	0		0		0
Year four	0		0		1,025
Year five	478		478		363
Prior Years	698		698		0
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	1,176		1,176		1,388
Popular U.S.
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	955,389		955,389		1,899,599
Year two	2,003,665		2,003,665		1,493,241
Year three	1,359,431		1,359,431		1,426,511
Year four	1,234,566		1,234,566		1,930,351
Year five	1,731,148		1,731,148		1,242,629
Prior Years	3,899,874		3,899,874		3,201,727
Revolving Loans Amortized Cost Basis	578,416		578,416		464,039
Revolving Loans Converted to Term Loans Amortized Cost Basis	10,537		10,537		10,793
Total	11,773,026		11,773,026		11,668,890
Year-to-Date gross write-offs
Total	3,166	3,575	5,045	7,419
Popular U.S. | Construction
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	156,957		156,957		359,841
Year two	437,052		437,052		442,992
Year three	398,226		398,226		367,206
Year four	206,123		206,123		121,857
Year five	95,377		95,377		0
Prior Years	0		0		12,971
Revolving Loans Amortized Cost Basis	12,490		12,490		12,491
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	1,306,225		1,306,225		1,317,358
Year-to-Date gross write-offs
Total	0	0	0	0
Popular U.S. | Construction | Pass
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	156,957		156,957		358,475
Year two	423,431		423,431		427,221
Year three	374,817		374,817		291,714
Year four	178,279		178,279		85,385
Year five	60,026		60,026		0
Prior Years	0		0		6,030
Revolving Loans Amortized Cost Basis	12,490		12,490		12,491
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	1,206,000		1,206,000		1,181,316
Popular U.S. | Construction | Watch
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		1,366
Year two	13,621		13,621		15,771
Year three	15,725		15,725		72,580
Year four	27,844		27,844		27,870
Year five	26,748		26,748		0
Prior Years	0		0		6,941
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	83,938		83,938		124,528
Popular U.S. | Construction | Special Mention
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one					0
Year two					0
Year three					2,912
Year four					0
Year five					0
Prior Years					0
Revolving Loans Amortized Cost Basis					0
Revolving Loans Converted to Term Loans Amortized Cost Basis					0
Total					2,912
Popular U.S. | Construction | Substandard
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		0
Year three	7,684		7,684		0
Year four	0		0		8,602
Year five	8,603		8,603		0
Prior Years	0		0		0
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	16,287		16,287		8,602
Popular U.S. | Mortgage
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	2,458		2,458		100,210
Year two	93,331		93,331		78,166
Year three	71,055		71,055		80,011
Year four	77,721		77,721		205,941
Year five	201,560		201,560		260,094
Prior Years	804,659		804,659		577,051
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	1,250,784		1,250,784		1,301,473
Year-to-Date gross write-offs
Year one			0
Year two			0
Year three			0
Year four			0
Year five			0
Prior Years			23
Revolving Loans Amortized Cost Basis			0
Revolving Loans Converted to Term Loans Amortized Cost Basis			0
Total	4	0	23	0
Popular U.S. | Mortgage | Pass
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	2,458		2,458		100,210
Year two	93,331		93,331		78,166
Year three	71,055		71,055		79,367
Year four	77,077		77,077		205,446
Year five	201,560		201,560		259,877
Prior Years	795,070		795,070		564,985
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	1,240,551		1,240,551		1,288,051
Popular U.S. | Mortgage | Substandard
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		0
Year three	0		0		644
Year four	644		644		495
Year five	0		0		217
Prior Years	9,589		9,589		12,066
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	10,233		10,233		13,422
Popular U.S. | Commercial
Year-to-Date gross write-offs
Total	1,583	626	1,612	1,785
Popular U.S. | Commercial | Commercial multi-family
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	116,473		116,473		349,850
Year two	349,918		349,918		141,130
Year three	139,233		139,233		143,771
Year four	142,523		142,523		485,183
Year five	444,219		444,219		314,076
Prior Years	850,717		850,717		712,789
Revolving Loans Amortized Cost Basis	10,382		10,382		5,643
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	2,053,465		2,053,465		2,152,442
Year-to-Date gross write-offs
Year one			0		0
Year two			0		0
Year three			0		0
Year four			0		0
Year five			0		0
Prior Years			1,312		563
Revolving Loans Amortized Cost Basis			0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis			0		0
Total	1,312	563	1,312	563	563
Popular U.S. | Commercial | Commercial multi-family | Pass
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	116,473		116,473		349,850
Year two	349,918		349,918		138,662
Year three	135,871		135,871		118,143
Year four	118,088		118,088		380,479
Year five	375,232		375,232		274,195
Prior Years	697,833		697,833		534,623
Revolving Loans Amortized Cost Basis	10,382		10,382		4,394
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	1,803,797		1,803,797		1,800,346
Popular U.S. | Commercial | Commercial multi-family | Watch
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		2,468
Year three	3,362		3,362		21,142
Year four	20,301		20,301		94,135
Year five	68,195		68,195		39,881
Prior Years	128,590		128,590		151,526
Revolving Loans Amortized Cost Basis	0		0		1,249
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	220,448		220,448		310,401
Popular U.S. | Commercial | Commercial multi-family | Special Mention
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		0
Year three	0		0		2,711
Year four	2,367		2,367		7,840
Year five	792		792		0
Prior Years	2,041		2,041		4,560
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	5,200		5,200		15,111
Popular U.S. | Commercial | Commercial multi-family | Substandard
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		0
Year three	0		0		1,775
Year four	1,767		1,767		2,729
Year five	0		0		0
Prior Years	22,253		22,253		22,080
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	24,020		24,020		26,584
Popular U.S. | Commercial | Commercial real estate Non-owner occupied
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	228,594		228,594		226,837
Year two	228,253		228,253		175,820
Year three	103,016		103,016		308,094
Year four	331,385		331,385		488,925
Year five	445,511		445,511		178,043
Prior Years	880,378		880,378		763,911
Revolving Loans Amortized Cost Basis	82,643		82,643		6,524
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	2,299,780		2,299,780		2,148,154
Year-to-Date gross write-offs
Total	0	0	0	0
Popular U.S. | Commercial | Commercial real estate Non-owner occupied | Pass
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	228,594		228,594		216,537
Year two	227,975		227,975		162,382
Year three	99,780		99,780		296,653
Year four	326,105		326,105		467,811
Year five	423,793		423,793		163,984
Prior Years	715,031		715,031		582,004
Revolving Loans Amortized Cost Basis	82,643		82,643		6,024
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	2,103,921		2,103,921		1,895,395
Popular U.S. | Commercial | Commercial real estate Non-owner occupied | Watch
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		10,300
Year two	0		0		11,369
Year three	0		0		11,441
Year four	5,280		5,280		15,141
Year five	14,926		14,926		9,333
Prior Years	44,353		44,353		65,750
Revolving Loans Amortized Cost Basis	0		0		500
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	64,559		64,559		123,834
Popular U.S. | Commercial | Commercial real estate Non-owner occupied | Special Mention
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		2,069
Year three	0		0		0
Year four	0		0		0
Year five	0		0		0
Prior Years	1,874		1,874		1,902
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	1,874		1,874		3,971
Popular U.S. | Commercial | Commercial real estate Non-owner occupied | Substandard
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	278		278		0
Year three	3,236		3,236		0
Year four	0		0		5,973
Year five	6,792		6,792		4,726
Prior Years	119,120		119,120		114,255
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	129,426		129,426		124,954
Popular U.S. | Commercial | Commercial real estate Owner occupied
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	396,267		396,267		561,716
Year two	563,118		563,118		268,434
Year three	263,863		263,863		231,693
Year four	195,425		195,425		258,774
Year five	211,895		211,895		195,365
Prior Years	462,667		462,667		428,523
Revolving Loans Amortized Cost Basis	6,786		6,786		11,982
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	2,100,021		2,100,021		1,956,487
Year-to-Date gross write-offs
Year one					0
Year two					0
Year three					0
Year four					0
Year five					0
Prior Years					27
Revolving Loans Amortized Cost Basis					0
Revolving Loans Converted to Term Loans Amortized Cost Basis					0
Total	0	14	0	26	27
Popular U.S. | Commercial | Commercial real estate Owner occupied | Pass
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	392,667		392,667		561,716
Year two	552,975		552,975		198,946
Year three	213,412		213,412		192,174
Year four	144,436		144,436		188,536
Year five	184,942		184,942		180,981
Prior Years	346,123		346,123		288,439
Revolving Loans Amortized Cost Basis	6,286		6,286		8,803
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	1,840,841		1,840,841		1,619,595
Popular U.S. | Commercial | Commercial real estate Owner occupied | Watch
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	3,600		3,600		0
Year two	1,767		1,767		48,837
Year three	29,615		29,615		39,519
Year four	50,989		50,989		30,764
Year five	25,045		25,045		12,813
Prior Years	40,767		40,767		52,010
Revolving Loans Amortized Cost Basis	500		500		3,179
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	152,283		152,283		187,122
Popular U.S. | Commercial | Commercial real estate Owner occupied | Special Mention
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		17,946
Year three	17,655		17,655		0
Year four	0		0		0
Year five	0		0		0
Prior Years	16,405		16,405		10,944
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	34,060		34,060		28,890
Popular U.S. | Commercial | Commercial real estate Owner occupied | Substandard
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	8,376		8,376		2,705
Year three	3,181		3,181		0
Year four	0		0		39,474
Year five	1,908		1,908		1,571
Prior Years	59,372		59,372		77,130
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	72,837		72,837		120,880
Popular U.S. | Commercial | Commercial and industrial
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	47,016		47,016		282,403
Year two	317,432		317,432		368,464
Year three	370,035		370,035		283,325
Year four	272,687		272,687		353,925
Year five	323,396		323,396		291,935
Prior Years	892,956		892,956		698,290
Revolving Loans Amortized Cost Basis	387,494		387,494		358,997
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	2,611,016		2,611,016		2,637,339
Year-to-Date gross write-offs
Year one			0		100
Year two			0		1,106
Year three			0		483
Year four			258		0
Year five			0		599
Prior Years			2		25
Revolving Loans Amortized Cost Basis			40		132
Revolving Loans Converted to Term Loans Amortized Cost Basis			0		0
Total	271	49	300	1,196	2,445
Popular U.S. | Commercial | Commercial and industrial | Pass
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	44,505		44,505		247,703
Year two	317,273		317,273		357,722
Year three	360,230		360,230		230,702
Year four	237,935		237,935		278,950
Year five	268,559		268,559		249,467
Prior Years	759,633		759,633		545,331
Revolving Loans Amortized Cost Basis	356,445		356,445		338,026
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	2,344,580		2,344,580		2,247,901
Popular U.S. | Commercial | Commercial and industrial | Watch
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	1,490		1,490		34,700
Year two	159		159		5,196
Year three	4,549		4,549		47,136
Year four	28,295		28,295		70,767
Year five	50,474		50,474		42,072
Prior Years	131,662		131,662		151,368
Revolving Loans Amortized Cost Basis	28,751		28,751		15,650
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	245,380		245,380		366,889
Popular U.S. | Commercial | Commercial and industrial | Special Mention
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		0
Year three	0		0		4,649
Year four	5,342		5,342		63
Year five	698		698		284
Prior Years	289		289		198
Revolving Loans Amortized Cost Basis	5		5		738
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	6,334		6,334		5,932
Popular U.S. | Commercial | Commercial and industrial | Substandard
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	1,021		1,021		0
Year two	0		0		5,546
Year three	5,256		5,256		838
Year four	1,115		1,115		4,145
Year five	3,665		3,665		112
Prior Years	1,372		1,372		1,393
Revolving Loans Amortized Cost Basis	2,293		2,293		4,583
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	14,722		14,722		16,617
Popular U.S. | Consumer
Year-to-Date gross write-offs
Total	1,579	2,949	3,410	5,634
Popular U.S. | Consumer | Credit cards
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		0
Year three	0		0		0
Year four	0		0		0
Year five	0		0		0
Prior Years	0		0		0
Revolving Loans Amortized Cost Basis	(13)		(13)		(14)
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	(13)		(13)		(14)
Year-to-Date gross write-offs
Year one			0
Year two			0
Year three			0
Year four			0
Year five			0
Prior Years			0
Revolving Loans Amortized Cost Basis			1
Revolving Loans Converted to Term Loans Amortized Cost Basis			0
Total	1		1
Popular U.S. | Consumer | Credit cards | Pass
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		0
Year three	0		0		0
Year four	0		0		0
Year five	0		0		0
Prior Years	0		0		0
Revolving Loans Amortized Cost Basis	(13)		(13)		(14)
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	(13)		(13)		(14)
Popular U.S. | Consumer | HELOCs
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		0
Year three	0		0		0
Year four	0		0		0
Year five	0		0		0
Prior Years	5,871		5,871		6,616
Revolving Loans Amortized Cost Basis	67,097		67,097		59,375
Revolving Loans Converted to Term Loans Amortized Cost Basis	10,537		10,537		10,793
Total	83,505		83,505		76,784
Year-to-Date gross write-offs
Year one					0
Year two					0
Year three					0
Year four					0
Year five					0
Prior Years					0
Revolving Loans Amortized Cost Basis					84
Revolving Loans Converted to Term Loans Amortized Cost Basis					0
Total	0	16	0	46	84
Popular U.S. | Consumer | HELOCs | Pass
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		0
Year three	0		0		0
Year four	0		0		0
Year five	0		0		0
Prior Years	4,664		4,664		5,201
Revolving Loans Amortized Cost Basis	67,087		67,087		59,363
Revolving Loans Converted to Term Loans Amortized Cost Basis	8,434		8,434		9,422
Total	80,185		80,185		73,986
Popular U.S. | Consumer | HELOCs | Substandard
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		0
Year three	0		0		0
Year four	0		0		0
Year five	0		0		0
Prior Years	1,168		1,168		1,276
Revolving Loans Amortized Cost Basis	10		10		12
Revolving Loans Converted to Term Loans Amortized Cost Basis	1,398		1,398		543
Total	2,576		2,576		1,831
Popular U.S. | Consumer | HELOCs | Loss
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		0
Year three	0		0		0
Year four	0		0		0
Year five	0		0		0
Prior Years	39		39		139
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	705		705		828
Total	744		744		967
Popular U.S. | Consumer | Personal
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	7,624		7,624		18,742
Year two	14,561		14,561		18,235
Year three	14,003		14,003		12,411
Year four	8,702		8,702		15,746
Year five	9,190		9,190		3,116
Prior Years	2,626		2,626		1,576
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	56,706		56,706		69,826
Year-to-Date gross write-offs
Year one			30		37
Year two			518		1,787
Year three			1,053		2,212
Year four			837		3,420
Year five			339		638
Prior Years			606		46
Revolving Loans Amortized Cost Basis			0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis			0		0
Total	1,565	2,920	3,383	5,546	8,140
Popular U.S. | Consumer | Personal | Pass
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	7,594		7,594		18,658
Year two	14,376		14,376		17,906
Year three	13,961		13,961		12,102
Year four	8,551		8,551		15,593
Year five	9,095		9,095		3,061
Prior Years	2,378		2,378		1,272
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	55,955		55,955		68,592
Popular U.S. | Consumer | Personal | Substandard
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	30		30		74
Year two	185		185		329
Year three	42		42		309
Year four	151		151		153
Year five	95		95		55
Prior Years	248		248		256
Revolving Loans Amortized Cost Basis	0		0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	751		751		1,176
Popular U.S. | Consumer | Personal | Loss
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one					10
Year two					0
Year three					0
Year four					0
Year five					0
Prior Years					48
Revolving Loans Amortized Cost Basis					0
Revolving Loans Converted to Term Loans Amortized Cost Basis					0
Total					58
Popular U.S. | Consumer | Other consumer
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		0
Year three	0		0		0
Year four	0		0		0
Year five	0		0		0
Prior Years	0		0		0
Revolving Loans Amortized Cost Basis	11,537		11,537		9,041
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	11,537		11,537		9,041
Year-to-Date gross write-offs
Year one			0		0
Year two			0		0
Year three			0		0
Year four			0		0
Year five			0		0
Prior Years			0		0
Revolving Loans Amortized Cost Basis			26		924
Revolving Loans Converted to Term Loans Amortized Cost Basis			0		0
Total	13	$ 13	26	$ 42	924
Popular U.S. | Consumer | Other consumer | Pass
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one	0		0		0
Year two	0		0		0
Year three	0		0		0
Year four	0		0		0
Year five	0		0		0
Prior Years	0		0		0
Revolving Loans Amortized Cost Basis	11,537		11,537		9,012
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0		0
Total	$ 11,537		$ 11,537		9,012
Popular U.S. | Consumer | Other consumer | Substandard
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one
Year two					0
Year three					0
Year four					0
Year five					0
Prior Years					0
Revolving Loans Amortized Cost Basis					1
Revolving Loans Converted to Term Loans Amortized Cost Basis					0
Total					1
Popular U.S. | Consumer | Other consumer | Loss
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Year one					0
Year two					0
Year three					0
Year four					0
Year five					0
Prior Years					0
Revolving Loans Amortized Cost Basis					28
Revolving Loans Converted to Term Loans Amortized Cost Basis					0
Total					$ 28