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Derivative Financial Instruments (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017
Derivatives not designated as hedging instruments, fair value |  |
Interest rate swaps - assets | $ 4,637 | $ 942
Interest rate swaps - liabilities | 4,637 | 942
Effective portion of interest rate cash flow hedge, Fair Value included in accumulated other comprehensive income | 142 | 122
Interest Rate Cash Flow Hedge Asset at Fair Value | $ 142 |
Interest Rate Cash Flow Hedge Liability at Fair Value |  | $ 122
Other assets |  |
Derivatives not designated as hedging instruments, fair value |  |
Description of location of interest rate derivative instruments not designated as hedging instruments on balance sheet | Accrued interest receivable and other assets | Accrued interest receivable and other assets
Description of Location of Interest Rate Cash Flow Hedge Derivative on Balance Sheet | Accumulated other comprehensive income (1) |
Other Comprehensive Income Location [Domain] |  |
Derivatives not designated as hedging instruments, fair value |  |
Description of Location of Interest Rate Cash Flow Hedge Derivative on Balance Sheet | Accrued interest payable and other liabilities | Accumulated other comprehensive income (1)
Other liabilities |  |
Derivatives not designated as hedging instruments, fair value |  |
Description of location of interest rate derivative instruments not designated as hedging instruments on balance sheet | Accrued interest payable and other liabilities | Accrued interest payable and other liabilities
Description of Location of Interest Rate Cash Flow Hedge Derivative on Balance Sheet |  | Accrued interest payable and other liabilities

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