LOANS HELD FOR INVESTMENT - Loan Modifications are Considered TDRs (Detail) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2022 USD ($) numberofcontracts	Sep. 30, 2021 USD ($) numberofcontracts	Sep. 30, 2022 USD ($) numberofcontracts	Sep. 30, 2021 USD ($) numberofcontracts
Financing Receivable Modifications [Line Items]
Number of contracts \| numberofcontracts	141	123	451	483
Pre-modification Outstanding Recorded Investment	$ 3,037	$ 23,181	$ 18,835	$ 30,496
Post-Modification Outstanding Recorded Investment	$ 2,988	$ 23,078	$ 18,553	$ 30,216
Residential Portfolio Segment [Member] \| Conventional Loan [Member]
Financing Receivable Modifications [Line Items]
Number of contracts \| numberofcontracts	12	23	49	48
Pre-modification Outstanding Recorded Investment	$ 1,220	$ 2,654	$ 5,668	$ 5,552
Post-Modification Outstanding Recorded Investment	$ 1,154	$ 2,650	$ 5,598	$ 5,447
Commercial Portfolio Segment [Member] \| Commercial And Industrial Sector [Member]
Financing Receivable Modifications [Line Items]
Number of contracts \| numberofcontracts	3	3	15	5
Pre-modification Outstanding Recorded Investment	$ 495	$ 9,100	$ 3,031	$ 9,694
Post-Modification Outstanding Recorded Investment	$ 495	$ 9,100	$ 2,803	$ 9,571
Commercial Portfolio Segment [Member] \| Mortgage Receivable [Member]
Financing Receivable Modifications [Line Items]
Number of contracts \| numberofcontracts	0	2	3	6
Pre-modification Outstanding Recorded Investment	$ 0	$ 10,433	$ 5,897	$ 11,091
Post-Modification Outstanding Recorded Investment	$ 0	$ 10,331	$ 5,890	$ 11,028
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	35	22	123	101
Pre-modification Outstanding Recorded Investment	$ 790	$ 435	$ 2,512	$ 1,875
Post-Modification Outstanding Recorded Investment	$ 787	$ 436	$ 2,510	$ 1,877
Finance Leases [Member] \| Consumer Portfolio Segment [Member]
Financing Receivable Modifications [Line Items]
Number of contracts \| numberofcontracts	5	10	26	33
Pre-modification Outstanding Recorded Investment	$ 82	$ 190	$ 469	$ 550
Post-Modification Outstanding Recorded Investment	$ 82	$ 191	$ 469	$ 552
Personal Loans [Member] \| Consumer Portfolio Segment [Member]
Financing Receivable Modifications [Line Items]
Number of contracts \| numberofcontracts	7	9	19	32
Pre-modification Outstanding Recorded Investment	$ 116	$ 103	$ 301	$ 330
Post-Modification Outstanding Recorded Investment	$ 133	$ 103	$ 318	$ 336
Other Loans [Member] \| Consumer Portfolio Segment [Member]
Financing Receivable Modifications [Line Items]
Number of contracts \| numberofcontracts	29	14	77	55
Pre-modification Outstanding Recorded Investment	$ 83	$ 59	$ 311	$ 233
Post-Modification Outstanding Recorded Investment	$ 85	$ 60	$ 318	$ 234
Credit Card Receivables [Member] \| Consumer Portfolio Segment [Member]
Financing Receivable Modifications [Line Items]
Number of contracts \| numberofcontracts	50	40	139	203
Pre-modification Outstanding Recorded Investment	$ 251	$ 207	$ 646	$ 1,171
Post-Modification Outstanding Recorded Investment	$ 252	$ 207	$ 647	$ 1,171

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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 https://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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