Loans Held for Investment - Acquired Loans Classified as PCD (Details) - USD ($) $ in Thousands		9 Months Ended
Jun. 01, 2020	Sep. 30, 2020
Loans Held for Investment
Initial ACL Recorded for PCD Loans		$ 21,242
Opus Bank
Loans Held for Investment
Par value (unpaid principal balance)	$ 896,483
Allowance for credit losses	(43,885)
(Discount) premium related to factors other than credit	(11,364)
Purchase price (initial fair value)	841,234
Uncollectable allowance for credit losses	22,700
Initial ACL Recorded for PCD Loans	21,200
Opus Bank \| Investor loans secured by real estate
Loans Held for Investment
Par value (unpaid principal balance)	704,441
Allowance for credit losses	(13,786)
(Discount) premium related to factors other than credit	(8,696)
Purchase price (initial fair value)	681,959
Opus Bank \| Business loans secured by real estate
Loans Held for Investment
Par value (unpaid principal balance)	105,578
Allowance for credit losses	(4,083)
(Discount) premium related to factors other than credit	(2,512)
Purchase price (initial fair value)	98,983
Opus Bank \| Commercial loans
Loans Held for Investment
Par value (unpaid principal balance)	80,184
Allowance for credit losses	(25,635)
(Discount) premium related to factors other than credit	138
Purchase price (initial fair value)	54,687
Opus Bank \| Retail loans
Loans Held for Investment
Par value (unpaid principal balance)	6,280
Allowance for credit losses	(381)
(Discount) premium related to factors other than credit	(294)
Purchase price (initial fair value)	$ 5,605

Financing Receivable, Purchased with Credit Deterioration, Uncollectable Allowance for Credit Loss at Acquisition Date

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Amount of increase in allowance for credit loss on financing receivable purchased with credit deterioration.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447

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- Definition

Amount of allowance for credit loss at acquisition date of financing receivable purchased with credit deterioration.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 19
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919265-210447

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- Definition

Amount at par value of financing receivable purchased with credit deterioration.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 19
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919265-210447

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- Definition

Amount at purchase price of financing receivable purchased with credit deterioration.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 19
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919265-210447

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- Definition

Amount of discount (premium) attributable to other factors on financing receivable purchased with credit deterioration.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 19
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919265-210447

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