Related-Party Transactions - Additional Information (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2018 |
Dec. 31, 2017 |
|
| Officers and Directors | ||
| Related Party Transaction [Line Items] | ||
| Related party deposits | $ 155,800 | $ 178,000 |
| Director | ||
| Related Party Transaction [Line Items] | ||
| Notes payable, related parties | 4,500 | 7,100 |
| Director | Lease Payments | ||
| Related Party Transaction [Line Items] | ||
| Expenses from transactions with related party | 566 | 555 |
| Senior Promissory Notes | Director | ||
| Related Party Transaction [Line Items] | ||
| Notes payable, related parties | 1,400 | |
| Convertible Subordinated Notes | Director | ||
| Related Party Transaction [Line Items] | ||
| Notes payable, related parties | 1,000 | 1,000 |
| Church Street Capital | Director | ||
| Related Party Transaction [Line Items] | ||
| Due to subsidiaries | $ 2,000 | $ 4,900 |