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Loans and Leases - Summary of Financial Effects of Troubled Debt Restructurings (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 USD ($) Investment | Dec. 31, 2019 USD ($) Investment | Dec. 31, 2018 USD ($) Investment
Financing Receivable Modifications [Line Items] |  |  |
Number of loans classified as a non-accrual TDRs | Investment | 43 | 73 | 22
Pre-Modification Recorded Investment | $ 24,031 | $ 35,287 | $ 8,663
Post-Modification Recorded Investment | 22,590 | 30,816 | 6,355
Trouble debt restructuring, charge-off amount | $ 1,441 | 4,471 | $ 2,308
Capitalized interest |  | $ 3 |
Commercial Real Estate |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Number of loans classified as a non-accrual TDRs | Investment | 1 |  |
Pre-Modification Recorded Investment | $ 15,119 |  |
Post-Modification Recorded Investment | $ 15,119 |  |
Weighted Average Interest Rate, Pre-Modification | 8.00% |  |
Weighted Average Interest Rate, Post-Modification | 3.50% |  |
Commercial and Industrial |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Number of loans classified as a non-accrual TDRs | Investment | 42 | 72 | 21
Pre-Modification Recorded Investment | $ 8,912 | $ 35,156 | $ 7,763
Post-Modification Recorded Investment | $ 7,471 | $ 30,685 | $ 5,455
Weighted Average Interest Rate, Pre-Modification | 2.36% | 4.31% | 3.25%
Weighted Average Interest Rate, Post-Modification | 2.23% | 4.37% | 3.13%
Trouble debt restructuring, charge-off amount | $ 1,441 | $ 4,471 | $ 2,308
One-to-Four Family |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Number of loans classified as a non-accrual TDRs | Investment |  | 1 |
Pre-Modification Recorded Investment |  | $ 131 |
Post-Modification Recorded Investment |  | $ 131 |
Weighted Average Interest Rate, Pre-Modification |  | 5.50% |
Weighted Average Interest Rate, Post-Modification |  | 5.50% |
Capitalized interest |  | $ 3 |
Acquisition, Development, and Construction |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Number of loans classified as a non-accrual TDRs | Investment |  |  | 1
Pre-Modification Recorded Investment |  |  | $ 900
Post-Modification Recorded Investment |  |  | $ 900
Weighted Average Interest Rate, Pre-Modification |  |  | 4.50%
Weighted Average Interest Rate, Post-Modification |  |  | 4.50%

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- Definition Amount, after troubled debt restructuring, of modified financing receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953676-111524 + Details
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