Loans and Other Real Estate - Summary of Restructured Loans (Detail) $ in Thousands	12 Months Ended
Dec. 31, 2019 USD ($) Contract	Dec. 31, 2018 USD ($) Contract
Financing Receivable, Modifications [Line Items]
Number of Contracts \| Contract	3	7
Pre- Modification Outstanding Recorded Investment	$ 777	$ 4,313
Post- Modification Outstanding Recorded Investment	$ 777	$ 4,313
Commercial, secured by real estate
Financing Receivable, Modifications [Line Items]
Number of Contracts \| Contract	0	5
Pre- Modification Outstanding Recorded Investment	$ 0	$ 3,348
Post- Modification Outstanding Recorded Investment	$ 0	$ 3,348
Commercial, industrial and other
Financing Receivable, Modifications [Line Items]
Number of Contracts \| Contract	0	1
Pre- Modification Outstanding Recorded Investment	$ 0	$ 950
Post- Modification Outstanding Recorded Investment	$ 0	$ 950
Equipment finance
Financing Receivable, Modifications [Line Items]
Number of Contracts \| Contract	0	1
Pre- Modification Outstanding Recorded Investment	$ 0	$ 15
Post- Modification Outstanding Recorded Investment	$ 0	$ 15
Real estate - construction
Financing Receivable, Modifications [Line Items]
Number of Contracts \| Contract	1	0
Pre- Modification Outstanding Recorded Investment	$ 694	$ 0
Post- Modification Outstanding Recorded Investment	$ 694	$ 0
Home equity and consumer
Financing Receivable, Modifications [Line Items]
Number of Contracts \| Contract	2	0
Pre- Modification Outstanding Recorded Investment	$ 83	$ 0
Post- Modification Outstanding Recorded Investment	$ 83	$ 0

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524

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