Other Assets (Schedule of Other Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Other Assets [Abstract]
Profit sharing commission receivable	$ 26	$ 246
Credit Facility B issuance costs		106
Accrued investment income	4,483	4,175
Investment in unconsolidated trust subsidiaries	1,702	1,702
Fixed assets	10,843	6,154
Right of use asset	16,044
Other assets	164	188
Other Assets, Total	$ 33,262	$ 12,571