Accounting Policies (Policies)	9 Months Ended
Accounting Policies (Policies)	Sep. 30, 2019
Accounting Policies [Abstract]
Basis of Presentation	Basis of Presentation In the opinion of the Company, the accompanying unaudited consolidated financial statements contain all adjustments necessary to present fairly the consolidated financial position of the Company as of September 30, 2019, the consolidated results of operations or the three and nine months ended September 30, 2019 and 2018, and the consolidated cash flows for the nine months ended September 30, 2019 and 2018. All such adjustments were of a normal, recurring nature. Reference is made to the 2018 Annual Report on Form 10-K filed with the Securities and Exchange Commission (“SEC”) for a discussion of accounting policies and other relevant information with respect to the financial statements. The results of operations for the periods ended September 30, 2019 and 2018 are not necessarily indicative of the results to be expected for the full year. The Company has evaluated all subsequent events through the date the financial statements were issued.
Accounting Standards Adopted and Pending Adoption	Accounting Standards Adopted in 2019 In February 2016, the Financial Accounting Standards Board (“FASB”) issued new guidance on accounting for leases, which generally requires all leases to be recognized in the statement of financial position by recording an asset representing its right to use the underlying asset and recording a liability, which represents the Company’s obligation to make lease payments. The new standard was adopted by the Company on January 1, 2019. The guidance provides for a modified retrospective transition approach requiring lessees to recognize and measure leases on the balance sheet at the beginning of either the earliest period presented or as of the beginning of the period of adoption. The Company elected to apply the guidance as of the beginning of the period of adoption (January 1, 2019) and will not restate comparative periods. Adoption of the guidance resulted in the recognition of lease liabilities and the recognition of right-of-use assets totaling $19.4 million as of the date of adoption. Lease liabilities and right-of-use assets are reflected in other liabilities and premises and equipment, respectively. The initial balance sheet gross-up upon adoption was related to operating leases of certain real estate properties. The Company has no finance leases or material subleases or leasing arrangements for which it is the lessor of property or equipment. The Company elected to apply the package of practical expedients allowed by the new standard under which the Company need not reassess whether any expired or existing contracts are leases or contain leases, the Company need not reassess the lease classification for any expired or existing lease, and the Company need not reassess initial direct costs for any existing leases. Adoption of this guidance did not have a material impact on the consolidated statements of income or the consolidated statements of cash flows. See Note 13 – Leases for additional disclosures related to leases. In March 2017, the FASB amended the requirements in the Receivables—Nonrefundable Fees and Other Costs topic of the Accounting Standards Codification related to the amortization period for certain purchased callable debt securities held at a premium. The amendments shorten the amortization period for the premium to the earliest call date. The amendments were effective for the Company on January 1, 2019 and adoption did not have a material effect on its financial statements. In June 2018, the FASB amended the Compensation—Stock Compensation Topic of the Accounting Standards Codification. The amendments expand the scope of this Topic to include share-based payment transactions for acquiring goods and services from nonemployees. The amendments were effective for the Company on January 1, 2019 and the adoption did not have a material effect on its financial statements. Accounting Standards Pending Adoption In June 2016, the FASB issued guidance to change the accounting for credit losses. The guidance requires an entity to utilize a new impairment model known as the current expected credit loss ("CECL") model to estimate its lifetime "expected credit loss" and record an allowance that, when deducted from the amortized cost basis of the financial asset, presents the net amount expected to be collected on the financial asset. The CECL model is expected to result in earlier recognition of credit losses. The guidance also requires new disclosures for financial assets measured at amortized cost, loans and available-for-sale debt securities. The Company will apply the guidance through a cumulative-effect adjustment to retained earnings as of the beginning of the year of adoption. While early adoption is permitted beginning in first quarter 2019, the Company did not elect that option. The updated guidance is effective for interim and annual reporting periods beginning after December 15, 2019. Also, in May 2019, the FASB issued additional guidance to provide entities with an option to irrevocably elect the fair value option, applied on an instrument-by-instrument basis for eligible instruments, upon the adoption of the CECL model, but the Company does not expect to elect this option. The Company continues its ongoing analysis on the impact of this guidance on its consolidated financial statements. In that regard, a cross-functional working group has been formed, under the direction of the Company's Chief Financial Officer. The working group is comprised of individuals from various functional areas including credit, risk management, finance and information technology, among others. Implementation efforts continue with model development, ongoing system requirements evaluation and the identification of data and resource needs, among other things. The Company has also engaged a third-party vendor solution to assist in the application of the new guidance. The Company has provided core data to the vendor and continues to validate and enhance the data. Implementation efforts continue with model development and validation. While the Company is currently unable to reasonably estimate the impact of adopting the guidance, the Company expects the adoption of this guidance to significantly increase its allowance for loan losses. The impact of adoption is expected to be significantly influenced by the composition, characteristics and quality of the Company's loan and securities portfolios as well as the prevailing economic conditions and forecasts as of the adoption date. In January 2017, the FASB amended the Goodwill and Other Intangibles topic of the Accounting Standards Codification to simplify the accounting for goodwill impairment for public business entities and other entities that have goodwill reported in their financial statements and have not elected the private company alternative for the subsequent measurement of goodwill. The amendment removes Step 2 of the goodwill impairment test. The amount of goodwill impairment will now be the amount by which a reporting unit’s carrying value exceeds its fair value, not to exceed the carrying amount of goodwill. The effective date and transition requirements for the technical corrections will be effective for the Company for reporting periods beginning after December 15, 2019. Early adoption is permitted for interim or annual goodwill impairment tests performed on testing dates after January 1, 2017. The Company does not expect this amendment to have a material effect on its financial statements. In August 2018, the FASB amended the Fair Value Measurement Topic of the Accounting Standards Codification. The amendments remove, modify, and add certain fair value disclosure requirements based on the concepts in the FASB Concepts Statement, Conceptual Framework for Financial Reporting—Chapter 8: Notes to Financial Statements. The amendments are effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2019. Early adoption is permitted. An entity is permitted to early adopt any removed or modified disclosures upon issuance of this guidance and delay adoption of the additional disclosures until their effective date. The Company does not expect these amendments to have a material effect on its financial statements. In August 2018, the FASB amended the Compensation - Retirement Benefits – Defined Benefit Plans Topic of the Accounting Standards Codification to improve disclosure requirements for employers that sponsor defined benefit pension and other postretirement plans. The guidance removes disclosures that are no longer considered cost-beneficial, clarifies the specific requirements of disclosures, and adds disclosure requirements identified as relevant. The amendments are effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2020. Early adoption is permitted. The Company does not expect these amendments to have a material effect on its financial statements. In March 2019, the FASB issued guidance to address concerns companies had raised about an accounting exception they would lose when assessing the fair value of underlying assets under the leases standard and clarify that lessees and lessors are exempt from a certain interim disclosure requirement associated with adopting the new standard. The amendments will be effective for the Company for reporting periods beginning after December 15, 2019. Early adoption is permitted. The Company does not expect these amendments to have a material effect on its financial statements. Other accounting standards that have been issued or proposed by the FASB or other standards-setting bodies are not expected to have a material impact on the Company’s financial position, results of operations or cash flows.
Reclassifications	Reclassifications Certain amounts reported in the periods ended September 30, 2018 and December 31, 2018 may have been reclassified to conform to the presentation for September 30, 2019. These reclassifications had no effect on net income or shareholders’ equity for the periods presented, nor did they materially impact trends in financial information.