FDIC Shared-Loss Payable (Narrative) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
FDIC Shared-Loss Receivable [Abstract]
Loans and Leases Receivable, Gross, Carrying Amount, Covered	$ 36,200
FDIC shared-loss payable	$ 15,313	$ 112,395

Aggregate gross carrying amount of loans and leases receivable covered by loss sharing agreements.

No definition available.

Name:	us-gaap_LoansAndLeasesReceivableGrossCarryingAmountCovered
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant