Loans Receivable - Components of the Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Components of the Allowance For Loan Losses:
Beginning Balance		$ 31,594	$ 14,911	$ 12,970
Provision for Loan Losses	$ 3,428	4,968	16,150	9,223
Charge-offs	(5,132)	(5,158)	(11,333)	(10,642)
Recoveries	803	610	1,502	1,232
Ending Balance	$ 30,693	$ 12,783	$ 30,693	$ 12,783