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Summary of Significant Accounting Policies (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Accounting Policies [Line Items] |  |
Federal Reserve Bank, reserve requirement | $ 49,200,000 | $ 36,700,000
Other real estate owned | 1,757,000 | 2,495,000
Residential Real Estate [Member] |  |
Accounting Policies [Line Items] |  |
Other real estate owned | 215,000 | 400,000
Mortgage loans in process of foreclosure | $ 0 | $ 0
Minimum [Member] |  |
Accounting Policies [Line Items] |  |
Intangible asset, useful life | 5 years |
Maximum [Member] |  |
Accounting Policies [Line Items] |  |
Intangible asset, useful life | 12 years |

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- Definition Amount of cash or deposit reserve required to be maintained with federal reserve bank. + References No definition available. + Details
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- Definition Carrying amount as of the balance sheet date of all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings or defeasance; includes real and personal property; equity interests in corporations, partnerships, and joint ventures; and beneficial interests in trusts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5162-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4437-111522 + Details
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- Definition Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 35 -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL49126937-111524 + Details
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