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Long-Term Debt and Other Borrowed Funds (Details) - USD ($) | Jan. 08, 2018 | Jan. 29, 2015 | Jan. 10, 2008 | Dec. 31, 2017 | Nov. 16, 2017 | Dec. 31, 2016 | Dec. 31, 2014
--- | --- | --- | --- | --- | --- | --- | ---
Debt Instrument |  |  |  |  |  |  |
Long-term debt and capital lease obligations |  |  |  | $ 13,100,000 |  | $ 28,000,000 |
Fiscal Year Maturities of Long-term Debt |  |  |  |  |  |  |
2018 |  |  |  | 100,000 |  |  |
2019 |  |  |  | 100,000 |  |  |
2020 |  |  |  | 100,000 |  |  |
2021 |  |  |  | 100,000 |  |  |
2022 |  |  |  | 5,100,000 |  |  |
Thereafter |  |  |  | 7,600,000 |  |  |
Long-term debt and capital lease obligations |  |  |  | 13,100,000 |  | 28,000,000 |
Advances from FHLB |  |  |  | 0 |  | 0 |
Other borrowings |  |  |  | 20,009,000 |  | 6,000 |
Parent Company |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |
Long-term debt |  |  |  | 0 |  | $ 20,000,000 |
Subordinated term loan | Subordinated Term Loan, 6.81% | Parent Company |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  | 6.81% |
Long-term debt |  |  |  | $ 0 |  | $ 20,000,000 |
Fiscal Year Maturities of Long-term Debt |  |  |  |  |  |  |
Repayments of Unsecured Debt |  |  | $ 20,000,000 |  |  |  |
Subordinated term loan | Note Payable, 6.24% | Parent Company |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  | 6.24%
Capital lease obligations | Capital Lease Obligation, 8.00% | Subsidiaries |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |
Stated interest rate |  |  |  | 8.00% |  |  |
Capital Lease Obligations |  |  |  | $ 1,400,000 |  | 1,500,000 |
Notes payable | Note Payable, 6.24% | Subsidiaries |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |
Stated interest rate |  |  |  | 6.24% |  |  |
Long-term debt |  |  |  | $ 1,600,000 |  | 1,500,000 |
Notes payable | Note Payable, 2.28% | Subsidiaries |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |
Stated interest rate |  |  |  | 2.28% |  |  |
Long-term debt |  |  |  | $ 5,000,000 |  | 5,000,000 |
Notes payable | Note Payable, 1.00% | Subsidiaries |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |
Stated interest rate |  |  |  | 1.00% | 1.00% |  |
Long-term debt |  |  |  | $ 5,100,000 | $ 5,100,000 | $ 0 |
Federal Home Loan Bank | Notes Payable to FHLB | Subsidiaries |  |  |  |  |  |  |
Fiscal Year Maturities of Long-term Debt |  |  |  |  |  |  |
FHLB, advances, maximum amount available |  |  |  | $ 1,313,300,000 |  |  |
Secured Debt |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |
Stated interest rate |  | 2.28% |  |  |  |  |
Fiscal Year Maturities of Long-term Debt |  |  |  |  |  |  |
Ownership percentage in subsidiary |  |  |  | 99.90% |  |  |
Repayments of Unsecured Debt |  | $ 5,000,000 |  |  |  |  |
Federal Funds Purchased |  |  |  |  |  |  |
Fiscal Year Maturities of Long-term Debt |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  |  | $ 185,000,000 |  |  |
Federal Reserve Bank Advances |  |  |  |  |  |  |
Fiscal Year Maturities of Long-term Debt |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  |  | $ 464,800,000 |  |  |
Subsequent Event | Subordinated term loan | Subordinated Term Loan, 6.81% |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |
Stated interest rate | 6.81% |  |  |  |  |  |
Fiscal Year Maturities of Long-term Debt |  |  |  |  |  |  |
Repayments of Unsecured Debt | $ 20,000,000 |  |  |  |  |  |
Subsequent Event | Subordinated term loan | Subordinated Term Loan, 6.81% | Parent Company |  |  |  |  |  |  |
Debt Instrument |  |  |  |  |  |  |
Stated interest rate | 6.81% |  |  |  |  |  |
Fiscal Year Maturities of Long-term Debt |  |  |  |  |  |  |
Repayments of Unsecured Debt | $ 20,000,000 |  |  |  |  |  |

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- Definition Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 + Details
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