Securities Available for Sale - Amortized cost/fair value (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 415,726	$ 256,170
Gross Unrealized Gains	8,091	11,104
Gross Unrealized Losses	(64,660)	(3,744)
Fair Value	359,157	263,530
Assets pledged as collateral
Debt Securities, Available-for-sale [Line Items]
Fair Value	325,900	236,800
U.S. agency residential mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	260,286	125,985
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(43,576)	(2,286)
Fair Value	216,710	123,699
U.S. agency securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	90,445	26,902
Gross Unrealized Gains	0	1
Gross Unrealized Losses	(15,060)	(731)
Fair Value	75,385	26,172
Commercial mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	28,007	26,649
Gross Unrealized Gains	0	1
Gross Unrealized Losses	(4,275)	(552)
Fair Value	23,732	26,098
Other asset-backed securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	19,313	26,112
Gross Unrealized Gains	38	151
Gross Unrealized Losses	(818)	(130)
Fair Value	18,533	26,133
Asset-backed senior securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	9,154	28,057
Gross Unrealized Gains	0	72
Gross Unrealized Losses	0	0
Fair Value	9,154	28,129
Asset-backed subordinated securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	2,221	4,119
Gross Unrealized Gains	5,223	7,643
Gross Unrealized Losses	0	0
Fair Value	7,444	11,762
CLUB Certificate asset-backed securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	3,018	15,049
Gross Unrealized Gains	2,830	3,236
Gross Unrealized Losses	0	0
Fair Value	5,848	18,285
Municipal securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	3,282	3,297
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(931)	(45)
Fair Value	$ 2,351	$ 3,252

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563

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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563

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Amortized cost excluding accrued interest, after allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454

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Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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