Discontinued Operations - Operations (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Discontinued Operations
Income (loss) from discontinued operations before income taxes	$ 30,430	$ (2,829)	$ 34,444	$ 3,980
Income (loss) from discontinued operations, net of income taxes	30,775	(2,254)	33,926	3,106
Discontinued Operations, Disposed of by sale | NLC
Discontinued Operations
Securities: Taxable	814	906	1,752	1,866
Other	4	150	71	292
Total interest income	818	1,056	1,823	2,158
Interest expense - notes payable	369	464	775	924
Net insurance premiums earned	32,440	33,466	65,077	66,669
Other	5,297	2,702	3,051	6,004
Total noninterest income	37,737	36,168	68,128	72,673
Employees' compensation and benefits	3,225	2,784	6,002	5,986
Occupancy and equipment, net	217	281	464	525
Professional services	9,674	9,980	18,201	18,813
Loss and loss adjustment expenses	25,470	24,981	38,419	39,907
Other	1,511	1,563	3,987	4,696
Total noninterest expense	40,097	39,589	67,073	69,927
Income (loss) from discontinued operations before income taxes	(1,911)	(2,829)	2,103	3,980
Gain on disposal of discontinued operations	32,341		32,341
Income tax (benefit) expense	(345)	(575)	518	874
Income (loss) from discontinued operations, net of income taxes	$ 30,775	$ (2,254)	$ 33,926	$ 3,106