Condensed Consolidated Statement of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Details
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 6,842	$ 14,307	$ 13,890	$ 19,316
Other Comprehensive Income (Loss), Securities, Available-for-sale, Adjustment, after Tax
Other Comprehensive Income (Loss), Securities, Available-for-sale, Adjustment, before Tax	(2,855)	2,988	(7,983)	6,969
Other Comprehensive Income (Loss), Securities, Available-for-sale, Tax	(603)	1,049	(1,694)	2,509
Other Comprehensive Income (Loss), Securities, Available-for-sale, Adjustment, after Tax	(2,252)	1,939	(6,289)	4,460
Other Comprehensive Income (Loss), Net of Tax	(2,252)	1,939	(6,289)	4,460
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	4,590	16,246	7,601	23,776
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest
Net Income (Loss) Attributable to Noncontrolling Interest	85	(24)	172	49
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest	85	(24)	172	49
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	$ 4,505	$ 16,270	$ 7,429	$ 23,727