LOANS HELD FOR INVESTMENT - Loan Modifications are Considered TDRs (Detail) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2022 USD ($) numberofcontracts	Jun. 30, 2021 USD ($) numberofcontracts	Jun. 30, 2022 USD ($) numberofcontracts	Jun. 30, 2021 USD ($) numberofcontracts
Financing Receivable Modifications [Line Items]
Number of contracts \| numberofcontracts	146	188	310	360
Pre-modification Outstanding Recorded Investment	$ 11,125	$ 4,191	$ 15,798	$ 7,315
Post-Modification Outstanding Recorded Investment	$ 10,895	$ 4,119	$ 15,565	$ 7,138
Residential Portfolio Segment [Member] \| Conventional Loan [Member]
Financing Receivable Modifications [Line Items]
Number of contracts \| numberofcontracts	14	14	37	25
Pre-modification Outstanding Recorded Investment	$ 1,452	$ 1,531	$ 4,448	$ 2,898
Post-Modification Outstanding Recorded Investment	$ 1,451	$ 1,531	$ 4,444	$ 2,797
Commercial Portfolio Segment [Member] \| Commercial And Industrial Sector [Member]
Financing Receivable Modifications [Line Items]
Number of contracts \| numberofcontracts	11	2	12	2
Pre-modification Outstanding Recorded Investment	$ 2,531	$ 594	$ 2,536	$ 594
Post-Modification Outstanding Recorded Investment	$ 2,303	$ 471	$ 2,308	$ 471
Commercial Portfolio Segment [Member] \| Mortgage Receivable [Member]
Financing Receivable Modifications [Line Items]
Number of contracts \| numberofcontracts	3	2	3	4
Pre-modification Outstanding Recorded Investment	$ 5,897	$ 493	$ 5,897	$ 658
Post-Modification Outstanding Recorded Investment	$ 5,890	$ 532	$ 5,890	$ 697
Construction loans [Member] \| Commercial Portfolio Segment [Member]
Financing Receivable Modifications [Line Items]
Number of contracts \| numberofcontracts	0	0	0	0
Pre-modification Outstanding Recorded Investment	$ 0	$ 0	$ 0	$ 0
Post-Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0	$ 0
Auto loans [Member] \| Consumer Portfolio Segment [Member]
Financing Receivable Modifications [Line Items]
Number of contracts \| numberofcontracts	37	34	88	79
Pre-modification Outstanding Recorded Investment	$ 727	$ 622	$ 1,722	$ 1,440
Post-Modification Outstanding Recorded Investment	$ 730	$ 626	$ 1,723	$ 1,441
Finance Leases [Member] \| Consumer Portfolio Segment [Member]
Financing Receivable Modifications [Line Items]
Number of contracts \| numberofcontracts	8	10	21	23
Pre-modification Outstanding Recorded Investment	$ 123	$ 171	$ 387	$ 360
Post-Modification Outstanding Recorded Investment	$ 123	$ 173	$ 387	$ 361
Personal Loans [Member] \| Consumer Portfolio Segment [Member]
Financing Receivable Modifications [Line Items]
Number of contracts \| numberofcontracts	7	17	12	23
Pre-modification Outstanding Recorded Investment	$ 107	$ 201	$ 185	$ 227
Post-Modification Outstanding Recorded Investment	$ 107	$ 207	$ 185	$ 233
Other Loans [Member] \| Consumer Portfolio Segment [Member]
Financing Receivable Modifications [Line Items]
Number of contracts \| numberofcontracts	21	11	48	41
Pre-modification Outstanding Recorded Investment	$ 82	$ 49	$ 228	$ 174
Post-Modification Outstanding Recorded Investment	$ 85	$ 49	$ 233	$ 174
Credit Card Receivables [Member] \| Consumer Portfolio Segment [Member]
Financing Receivable Modifications [Line Items]
Number of contracts \| numberofcontracts	45	98	89	163
Pre-modification Outstanding Recorded Investment	$ 206	$ 530	$ 395	$ 964
Post-Modification Outstanding Recorded Investment	$ 206	$ 530	$ 395	$ 964

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Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

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Amount, after troubled debt restructuring, of modified financing receivable.

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