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Loans and Leases Receivable and Allowance for Credit Losses on Loans and Leases - Credit Ratings (Detail) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	$ 4,145,311	$ 2,885,998
Fiscal year before current year	2,349,630	1,162,342
Two years before current year	965,235	983,444
Three years before current year	735,318	553,607
Four years before current year	407,274	732,071
Prior	1,417,453	1,103,651
Revolving loans amortized cost basis	2,192,774	1,597,185
Revolving loans converted to term	0	0
Loans and leases receivable	12,212,995	9,018,298
Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and leases receivable	9,805,587	6,886,232
Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and leases receivable	2,407,408	2,132,066
Commercial loans and leases receivable | Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	3,478,751	1,803,457
Fiscal year before current year	1,429,131	762,301
Two years before current year	691,606	618,104
Three years before current year	513,855	509,267
Four years before current year	376,171	723,019
Prior	1,287,819	962,716
Revolving loans amortized cost basis	2,028,254	1,507,368
Revolving loans converted to term	0	0
Loans and leases receivable	9,805,587	6,886,232
Commercial and industrial, including specialty lending
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and leases receivable	5,737,670	3,424,783
Commercial and industrial, including specialty lending | Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	2,288,409	993,278
Fiscal year before current year	622,016	348,710
Two years before current year	315,292	279,545
Three years before current year	240,471	103,181
Four years before current year	92,257	97,470
Prior	160,254	96,716
Revolving loans amortized cost basis	2,018,971	1,505,883
Revolving loans converted to term	0	0
Loans and leases receivable	5,737,670	3,424,783
Commercial and industrial, including specialty lending | Pass | Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	2,288,409	974,016
Fiscal year before current year	600,191	337,045
Two years before current year	305,601	266,677
Three years before current year	231,819	86,691
Four years before current year	79,656	55,536
Prior	116,210	89,860
Revolving loans amortized cost basis	2,006,671	1,484,287
Revolving loans converted to term	0	0
Loans and leases receivable	5,628,557	3,294,112
Commercial and industrial, including specialty lending | Special mention | Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	0	476
Fiscal year before current year	0	1,408
Two years before current year	0	3,325
Three years before current year	0	4,904
Four years before current year	0	36,252
Prior	380	92
Revolving loans amortized cost basis	3,222	14,662
Revolving loans converted to term	0	0
Loans and leases receivable	3,602	61,119
Commercial and industrial, including specialty lending | Substandard | Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	0	18,786
Fiscal year before current year	21,825	10,257
Two years before current year	9,691	9,543
Three years before current year	8,652	11,586
Four years before current year	12,601	5,682
Prior	43,664	6,764
Revolving loans amortized cost basis	9,078	6,934
Revolving loans converted to term	0	0
Loans and leases receivable	105,511	69,552
Commercial and industrial, including specialty lending | Doubtful | Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	0	0
Fiscal year before current year	0	0
Two years before current year	0	0
Three years before current year	0	0
Four years before current year	0	0
Prior	0	0
Revolving loans amortized cost basis	0	0
Revolving loans converted to term	0	0
Loans and leases receivable	0	0
Multi-family
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and leases receivable	2,008,784	1,486,308
Multi-family | Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	882,267	403,075
Fiscal year before current year	400,751	133,452
Two years before current year	131,741	23,068
Three years before current year	22,663	219,006
Four years before current year	124,923	339,368
Prior	446,439	368,339
Revolving loans amortized cost basis	0	0
Revolving loans converted to term	0	0
Loans and leases receivable	2,008,784	1,486,308
Multi-family | Pass | Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	882,267	403,075
Fiscal year before current year	399,236	133,452
Two years before current year	131,741	23,068
Three years before current year	22,663	209,070
Four years before current year	119,914	282,663
Prior	329,640	316,491
Revolving loans amortized cost basis	0	0
Revolving loans converted to term	0	0
Loans and leases receivable	1,885,461	1,367,819
Multi-family | Special mention | Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	0	0
Fiscal year before current year	0	0
Two years before current year	0	0
Three years before current year	0	9,936
Four years before current year	5,009	18,489
Prior	66,748	28,776
Revolving loans amortized cost basis	0	0
Revolving loans converted to term	0	0
Loans and leases receivable	71,757	57,201
Multi-family | Substandard | Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	0	0
Fiscal year before current year	1,515	0
Two years before current year	0	0
Three years before current year	0	0
Four years before current year	0	38,216
Prior	50,051	23,072
Revolving loans amortized cost basis	0	0
Revolving loans converted to term	0	0
Loans and leases receivable	51,566	61,288
Multi-family | Doubtful | Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	0	0
Fiscal year before current year	0	0
Two years before current year	0	0
Three years before current year	0	0
Four years before current year	0	0
Prior	0	0
Revolving loans amortized cost basis	0	0
Revolving loans converted to term	0	0
Loans and leases receivable	0	0
Commercial real estate owner occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and leases receivable	710,577	654,922
Commercial real estate owner occupied | Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	129,586	213,102
Fiscal year before current year	203,769	59,348
Two years before current year	58,688	131,252
Three years before current year	116,780	70,993
Four years before current year	51,198	68,941
Prior	149,884	110,614
Revolving loans amortized cost basis	672	672
Revolving loans converted to term	0	0
Loans and leases receivable	710,577	654,922
Commercial real estate owner occupied | Pass | Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	129,586	213,102
Fiscal year before current year	203,769	59,348
Two years before current year	58,688	124,626
Three years before current year	116,646	60,993
Four years before current year	41,654	58,073
Prior	137,023	99,219
Revolving loans amortized cost basis	672	672
Revolving loans converted to term	0	0
Loans and leases receivable	688,038	616,033
Commercial real estate owner occupied | Special mention | Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	0	0
Fiscal year before current year	0	0
Two years before current year	0	2,876
Three years before current year	0	318
Four years before current year	0	2,044
Prior	3,880	572
Revolving loans amortized cost basis	0	0
Revolving loans converted to term	0	0
Loans and leases receivable	3,880	5,810
Commercial real estate owner occupied | Substandard | Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	0	0
Fiscal year before current year	0	0
Two years before current year	0	3,750
Three years before current year	134	9,682
Four years before current year	9,544	8,824
Prior	8,981	10,823
Revolving loans amortized cost basis	0	0
Revolving loans converted to term	0	0
Loans and leases receivable	18,659	33,079
Commercial real estate owner occupied | Doubtful | Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	0	0
Fiscal year before current year	0	0
Two years before current year	0	0
Three years before current year	0	0
Four years before current year		0
Prior	0	0
Revolving loans amortized cost basis	0	0
Revolving loans converted to term	0	0
Loans and leases receivable	0	0
Commercial real estate non-owner occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and leases receivable	1,152,869	1,121,238
Commercial real estate non-owner occupied | Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	134,207	136,897
Fiscal year before current year	120,804	171,592
Two years before current year	167,946	106,617
Three years before current year	104,880	111,259
Four years before current year	103,033	217,240
Prior	521,999	377,633
Revolving loans amortized cost basis	0	0
Revolving loans converted to term	0	0
Loans and leases receivable	1,152,869	1,121,238
Commercial real estate non-owner occupied | Pass | Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	134,207	136,897
Fiscal year before current year	120,804	149,898
Two years before current year	146,492	95,504
Three years before current year	75,872	66,040
Four years before current year	64,787	153,509
Prior	415,941	310,435
Revolving loans amortized cost basis	0	0
Revolving loans converted to term	0	0
Loans and leases receivable	958,103	912,283
Commercial real estate non-owner occupied | Special mention | Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	0	0
Fiscal year before current year	0	21,694
Two years before current year	21,454	11,113
Three years before current year	0	9,373
Four years before current year	0	43,215
Prior	5,873	20,540
Revolving loans amortized cost basis	0	0
Revolving loans converted to term	0	0
Loans and leases receivable	27,327	105,935
Commercial real estate non-owner occupied | Substandard | Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	0	0
Fiscal year before current year	0	0
Two years before current year	0	0
Three years before current year	29,008	35,846
Four years before current year	38,246	20,516
Prior	100,185	46,658
Revolving loans amortized cost basis	0	0
Revolving loans converted to term	0	0
Loans and leases receivable	167,439	103,020
Commercial real estate non-owner occupied | Doubtful | Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	0	0
Fiscal year before current year	0	0
Two years before current year	0	0
Three years before current year	0	0
Four years before current year	0	0
Prior	0	0
Revolving loans amortized cost basis	0	0
Revolving loans converted to term	0	0
Loans and leases receivable	0	0
Construction
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and leases receivable	195,687	198,981
Construction | Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	44,282	57,105
Fiscal year before current year	81,791	49,199
Two years before current year	17,939	77,622
Three years before current year	29,061	4,828
Four years before current year	4,760	0
Prior	9,243	9,414
Revolving loans amortized cost basis	8,611	813
Revolving loans converted to term	0	0
Loans and leases receivable	195,687	198,981
Construction | Pass | Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	44,282	57,105
Fiscal year before current year	81,791	49,199
Two years before current year	17,939	77,622
Three years before current year	29,061	4,828
Four years before current year	4,760	0
Prior	9,243	9,414
Revolving loans amortized cost basis	8,611	813
Revolving loans converted to term	0	0
Loans and leases receivable	195,687	198,981
Construction | Special mention | Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	0	0
Fiscal year before current year	0	0
Two years before current year	0	0
Three years before current year	0	0
Four years before current year	0	0
Prior	0	0
Revolving loans amortized cost basis	0	0
Revolving loans converted to term	0	0
Loans and leases receivable	0	0
Construction | Substandard | Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	0	0
Fiscal year before current year	0	0
Two years before current year	0	0
Three years before current year	0	0
Four years before current year	0	0
Prior	0	0
Revolving loans amortized cost basis	0	0
Revolving loans converted to term	0	0
Loans and leases receivable	0	0
Construction | Doubtful | Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	0	0
Fiscal year before current year	0	0
Two years before current year	0	0
Three years before current year	0	0
Four years before current year	0	0
Prior	0	0
Revolving loans amortized cost basis	0	0
Revolving loans converted to term	0	0
Loans and leases receivable	0	0
Consumer loans | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	666,560	1,082,541
Fiscal year before current year	920,499	400,041
Two years before current year	273,629	365,340
Three years before current year	221,463	44,340
Four years before current year	31,103	9,052
Prior	129,634	140,935
Revolving loans amortized cost basis	164,520	89,817
Revolving loans converted to term	0	0
Loans and leases receivable	2,407,408	2,132,066
Residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and leases receivable	457,768	334,730
Residential real estate | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	113,101	107,854
Fiscal year before current year	142,389	8,251
Two years before current year	7,526	21,431
Three years before current year	17,352	12,404
Four years before current year	11,638	7,376
Prior	79,923	87,622
Revolving loans amortized cost basis	85,839	89,792
Revolving loans converted to term	0	0
Loans and leases receivable	457,768	334,730
Residential real estate | Consumer | Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	113,101	107,854
Fiscal year before current year	142,389	8,251
Two years before current year	7,526	21,096
Three years before current year	16,970	11,389
Four years before current year	10,374	6,707
Prior	76,795	84,035
Revolving loans amortized cost basis	84,904	87,438
Revolving loans converted to term	0	0
Loans and leases receivable	452,059	326,770
Residential real estate | Consumer | Non-performing
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	0	0
Fiscal year before current year	0	0
Two years before current year	0	335
Three years before current year	382	1,015
Four years before current year	1,264	669
Prior	3,128	3,587
Revolving loans amortized cost basis	935	2,354
Revolving loans converted to term	0	0
Loans and leases receivable	5,709	7,960
Manufactured housing
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and leases receivable	48,570	52,861
Manufactured housing | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	0	0
Fiscal year before current year	0	0
Two years before current year	0	253
Three years before current year	220	299
Four years before current year	171	73
Prior	48,179	52,236
Revolving loans amortized cost basis	0	0
Revolving loans converted to term	0	0
Loans and leases receivable	48,570	52,861
Manufactured housing | Consumer | Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	0	0
Fiscal year before current year	0	0
Two years before current year	0	253
Three years before current year	220	299
Four years before current year	171	73
Prior	45,271	47,537
Revolving loans amortized cost basis	0	0
Revolving loans converted to term	0	0
Loans and leases receivable	45,662	48,162
Manufactured housing | Consumer | Non-performing
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	0	0
Fiscal year before current year	0	0
Two years before current year	0	0
Three years before current year	0	0
Four years before current year	0	0
Prior	2,908	4,699
Revolving loans amortized cost basis	0	0
Revolving loans converted to term	0	0
Loans and leases receivable	2,908	4,699
Installment
Financing Receivable, Credit Quality Indicator [Line Items]
Loans and leases receivable	1,901,070	1,744,475
Installment | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	553,459	974,687
Fiscal year before current year	778,110	391,790
Two years before current year	266,103	343,656
Three years before current year	203,891	31,637
Four years before current year	19,294	1,603
Prior	1,532	1,077
Revolving loans amortized cost basis	78,681	25
Revolving loans converted to term	0	0
Loans and leases receivable	1,901,070	1,744,475
Installment | Consumer | Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	553,321	973,525
Fiscal year before current year	774,689	390,788
Two years before current year	265,103	341,582
Three years before current year	202,825	31,481
Four years before current year	19,122	1,601
Prior	1,471	1,016
Revolving loans amortized cost basis	78,600	25
Revolving loans converted to term	0	0
Loans and leases receivable	1,895,131	1,740,018
Installment | Consumer | Non-performing
Financing Receivable, Credit Quality Indicator [Line Items]
Current year	138	1,162
Fiscal year before current year	3,421	1,002
Two years before current year	1,000	2,074
Three years before current year	1,066	156
Four years before current year	172	2
Prior	61	61
Revolving loans amortized cost basis	81	0
Revolving loans converted to term	0	0
Loans and leases receivable	$ 5,939	$ 4,457

X

- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

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-Publisher FASB
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Amortized cost excluding accrued interest, of financing receivable originated more than five years prior to current fiscal year. Excludes net investment in lease.

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Amortized cost excluding accrued interest, of financing receivable that can be withdrawn, repaid, and redrawn.

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Amortized cost excluding accrued interest, of revolving financing receivable converted to term loan.

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Amortized cost excluding accrued interest, of financing receivable originated three years prior to current fiscal year. Excludes net investment in lease.

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