Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
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Name:	us-gaap_Goodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Summary of Significant Accounting Policies - Impairment (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) reporting_unit	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Goodwill [Line Items]
Number of reporting units \| reporting_unit	2
Goodwill	$ 364,263	$ 239,272	$ 234,368
First Bank
Goodwill [Line Items]
Goodwill	360,000
SBA
Goodwill [Line Items]
Goodwill	$ 4,300