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Transactions With Affiliates (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Related Party Transaction [Line Items]
Deposits	$ 4,691,123		$ 5,052,030
Legal expense	913	$ 1,324
Affiliated Entity [Member]
Related Party Transaction [Line Items]
Deposits	0		0
Directors, Executive Officers, Principal Stockholders and Affiliates [Member]
Related Party Transaction [Line Items]
Due from related parties	2,700		2,300
J.V.B Financial Group LLC [Member]
Related Party Transaction [Line Items]
Securities under agreements to resell, outstanding amount	0		$ 0
Duane Morris LLP [Member]
Related Party Transaction [Line Items]
Legal expense	$ 25	$ 480