Purchase Credit Impaired ("PCI") Loans - Summary of FDIC Loss Share Receivable (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Financing Receivable, Impaired [Line Items] | |||
| Total Cash received from FDIC for covered assets | $ 3,528 | ||
| Reductions for loss share termination | (5,922) | $ 0 | |
| FDIC Indemnification Asset [Roll Forward] | |||
| Balance at beginning of period | 15,866 | 34,319 | |
| Cash received from the FDIC for covered assets | (2,275) | (9,605) | $ (10,981) |
| FDIC reimbursable losses (recoveries) | (1,386) | 459 | |
| Amortization, net | (2,293) | (6,342) | |
| Loan impairment (impairment reversal) | (1,113) | 841 | |
| Reductions for payments on covered assets in excess of expected cash flows | (1,624) | (3,806) | |
| Balance at end of period | $ 0 | $ 15,866 | $ 34,319 |