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Acquisition - Summary of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands | Mar. 08, 2019 | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | --- | ---
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Cash and cash equivalents |  | $ 189,400 | $ 196,552
Interest-earning deposits greater than 90 days |  | 2,750 | 3,185
Securities available for sale |  | 1,223,052 | 721,369
Fixed assets |  | 58,888 | 32,109
Accrued interest receivable |  | 27,008 | 16,069
Intangible assets |  | 29,201 | 8,553
Deposits |  | 5,559,338 | 4,587,985
Subordinated debentures |  | 141,100 | 118,156
Accrued interest payable |  | 2,701 | 1,977
Other liabilities |  | 50,850 | 40,290
Goodwill |  | $ 211,251 | $ 117,345
As Recorded by Trinity |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Cash and cash equivalents | $ 13,899 |  |
Interest-earning deposits greater than 90 days | 100 |  |
Securities available for sale | 428,715 |  |
Loans | 705,057 |  |
Other real estate | 5,284 |  |
Other investments | 6,673 |  |
Fixed assets | 27,586 |  |
Accrued interest receivable | 3,997 |  |
Intangible assets | 0 |  |
Deferred tax assets | 10,708 |  |
Other assets | 35,045 |  |
Total assets acquired | 1,237,064 |  |
Deposits | 1,081,151 |  |
Subordinated debentures | 26,806 |  |
Federal Home Loan Bank advances | 6,800 |  |
Accrued interest payable | 370 |  |
Other liabilities | 5,842 |  |
Total liabilities assumed | 1,120,969 |  |
Net assets acquired | 116,095 |  |
Adjustments |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Cash and cash equivalents | 0 |  |
Interest-earning deposits greater than 90 days | 0 |  |
Securities available for sale | (619) |  |
Loans | (20,743) |  |
Other real estate | (772) |  |
Other investments | 0 |  |
Fixed assets | (300) |  |
Accrued interest receivable | 0 |  |
Intangible assets | 23,066 |  |
Deferred tax assets | (1,057) |  |
Other assets | (5,008) |  |
Total assets acquired | (5,433) |  |
Deposits | 36 |  |
Subordinated debentures | (3,972) |  |
Federal Home Loan Bank advances | 171 |  |
Accrued interest payable | 0 |  |
Other liabilities | (827) |  |
Total liabilities assumed | (4,592) |  |
Net assets acquired | (841) |  |
TCC |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Cash and cash equivalents | 13,899 |  |
Interest-earning deposits greater than 90 days | 100 |  |
Securities available for sale | 428,096 |  |
Loans | 684,314 |  |
Other real estate | 4,512 |  |
Other investments | 6,673 |  |
Fixed assets | 27,286 |  |
Accrued interest receivable | 3,997 |  |
Intangible assets | 23,066 |  |
Deferred tax assets | 9,651 |  |
Other assets | 30,037 |  |
Total assets acquired | 1,231,631 |  |
Deposits | 1,081,187 |  |
Subordinated debentures | 22,834 |  |
Federal Home Loan Bank advances | 6,971 |  |
Accrued interest payable | 370 |  |
Other liabilities | 5,015 |  |
Total liabilities assumed | 1,116,377 |  |
Net assets acquired | 115,254 |  |
Cash | 37,275 |  |
Common stock | 171,885 |  |
Total consideration paid | 209,160 |  |
Goodwill | $ 93,906 |  |
TCC | Core deposit |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Useful life | 10 years |  |

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