Loans and Allowance for Loan and Lease Losses - Loans on Nonaccrual Status by Portfolio Type (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Financing Receivable Recorded Investment Nonaccrual Status
Nonaccruing loans	$ 24,681	$ 15,682
Commercial loans
Financing Receivable Recorded Investment Nonaccrual Status
Nonaccruing loans	18,200	9,101
Commercial real estate loans – owner occupied
Financing Receivable Recorded Investment Nonaccrual Status
Nonaccruing loans	6,225	6,507
Consumer loans
Financing Receivable Recorded Investment Nonaccrual Status
Nonaccruing loans	$ 256	$ 74

Amount of financing receivable on nonaccrual status.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5111-111524

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 16
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919258-210447

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant