Loans Receivable, Including Loans Held For Sale - Changes in Allowance for Loan and Lease Losses (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2020 USD ($)
Receivable [Line Items]
December 31, 2019	$ 36,682
Charge-offs	(19,667)
Recoveries	1,555
Provision	40,390
June 30, 2020	58,960
Commercial real estate loans
Receivable [Line Items]
December 31, 2019	24
Charge-offs	0
Recoveries	11
Provision	(14)
June 30, 2020	21
Commercial and industrial
Receivable [Line Items]
December 31, 2019	10,920
Charge-offs	(6,213)
Recoveries	319
Provision	16,885
June 30, 2020	21,911
Consumer loans
Receivable [Line Items]
December 31, 2019	25,738
Charge-offs	(13,454)
Recoveries	1,225
Provision	23,519
June 30, 2020	$ 37,028