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Business Combinations - Consideration, Assets Acquired and Liabilities Assumed (Details) - USD ($) | Dec. 31, 2020 | Nov. 30, 2020 | Dec. 31, 2019 | Nov. 30, 2019
--- | --- | --- | --- | ---
Fair Value of Assets Acquired |  |  |  |
Adjustments, Loans | $ (8,600,000) |  | $ (12,300,000) |
Goodwill | 373,424,000 |  | 371,621,000 |
Fair Value of Liabilities Assumed |  |  |  |
Goodwill | 373,424,000 |  | $ 371,621,000 |
As Recorded by DNB |  |  |  |
Fair Value of Assets Acquired |  |  |  |
Cash and cash equivalents |  |  |  | $ 64,119,000
Securities and other investments |  |  |  | 108,715,000
Loans |  |  |  | 917,127,000
Allowance for credit losses |  |  |  | (6,487,000)
Goodwill |  |  |  | 15,525,000
Premises and equipment |  |  |  | 6,782,000
Accrued interest receivable |  |  |  | 4,138,000
Deferred income taxes |  |  |  | 2,017,000
Core deposits and other intangible assets |  |  |  | 269,000
Other assets |  |  |  | 24,883,000
Total Assets Acquired |  |  |  | 1,137,088,000
Fair Value of Liabilities Assumed |  |  |  |
Deposits |  |  |  | 966,263,000
Borrowings |  |  |  | 37,617,000
Accrued interest payable and other liabilities |  |  |  | 11,157,000
Total Liabilities Assumed |  |  |  | 1,015,037,000
Total Net Assets Acquired |  |  |  | 122,051,000
Identifiable Intangible Assets |  |  |  | 269,000
Goodwill |  |  |  | 15,525,000
DNB |  |  |  |
Fair Value of Assets Acquired |  |  |  |
Cash and cash equivalents |  | $ 64,119,000 |  | 64,119,000
Securities and other investments |  | 108,898,000 |  | 108,898,000
Adjustments, Securities and other investments |  |  |  | 183,000
Loans |  | 906,607,000 |  | 908,984,000
Adjustments, Loans |  | (2,377,000) |  | (8,143,000)
Allowance for credit losses |  | 0 |  | 0
Adjustments, Allowance for credit losses |  |  |  | 6,487,000
Goodwill | 86,000,000.0 | 85,978,000 |  | 84,175,000
Adjustments, Goodwill |  | 1,803,000 |  | (15,525,000)
Premises and equipment |  | 14,872,000 |  | 14,872,000
Adjustments, Premises and equipment |  | 0 |  | 8,090,000
Accrued interest receivable |  | 4,138,000 |  | 4,138,000
Deferred income taxes |  | (970,000) |  | (1,281,000)
Adjustments, Deferred income taxes |  | 311,000 |  | (3,298,000)
Core deposits and other intangible assets | 8,700,000 |  |  |
Adjustments, Core deposits and other intangible assets |  |  |  | (269,000)
Other assets |  | 20,489,000 |  | 20,605,000
Adjustments, Other assets |  | (116,000) |  | (4,278,000)
Total Assets Acquired |  | 1,118,153,000 |  | 1,120,335,000
Adjustments, Total Assets Acquired |  | (2,182,000) |  | (16,753,000)
Fair Value of Liabilities Assumed |  |  |  |
Deposits |  | 967,265,000 |  | 967,265,000
Adjustments, Deposits |  |  |  | 1,002,000
Borrowings |  | 37,084,000 |  | 37,341,000
Adjustments, Borrowings |  | (257,000) |  | (276,000)
Accrued interest payable and other liabilities |  | 7,851,000 |  | 7,973,000
Accrued interest payable and other liabilities |  | (122,000) |  | (3,184,000)
Total Liabilities Assumed |  | 1,012,200,000 |  | 1,012,579,000
Adjustments, Total Liabilities Assumed |  | (379,000) |  | (2,458,000)
Total Net Assets Acquired |  | 105,953,000 |  | 107,756,000
Adjustments, Total Net Assets Acquired |  | (1,803,000) |  | (14,295,000)
Identifiable Intangible Assets | 8,700,000 |  |  |
Total Fair Value of Net Assets Acquired and Identified |  | 115,013,000 |  | 116,816,000
Adjustments, Total Fair Value of Net Assets Acquired and Identified |  | (1,803,000) |  |
Cash |  | 360,000 |  | 360,000
Common stock |  |  |  | 200,631,000
Fair Value of Total Consideration |  | 200,991,000 |  | 200,991,000
Goodwill | 86,000,000.0 | 85,978,000 |  | 84,175,000
Core Deposits | DNB |  |  |  |
Fair Value of Assets Acquired |  |  |  |
Core deposits and other intangible assets |  | 7,288,000 |  | 7,288,000
Adjustments, Core deposits and other intangible assets |  | 0 |  |
Fair Value of Liabilities Assumed |  |  |  |
Identifiable Intangible Assets |  | 7,288,000 |  | 7,288,000
Wealth management | DNB |  |  |  |
Fair Value of Assets Acquired |  |  |  |
Core deposits and other intangible assets | 300,000 | 1,772,000 |  | 1,772,000
Adjustments, Core deposits and other intangible assets |  | 0 |  |
Fair Value of Liabilities Assumed |  |  |  |
Identifiable Intangible Assets | $ 300,000 | $ 1,772,000 |  | $ 1,772,000

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