Cash and Cash Equivalents (Details) $ in Thousands	Dec. 31, 2018 USD ($)
Restricted Cash and Cash Equivalents Items [Line Items]
Cash balance, Federal Home Loan Bank And Federal Reserve Bank	$ 7,639
Cash reserve with Federal Reserve Bank	45,352
Interest-bearing Deposits
Restricted Cash and Cash Equivalents Items [Line Items]
Cash amount that exceeded federally insured limits	$ 122,092