Condensed Consolidated Statement of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Details
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total	$ 5,009	$ 115,666
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Tax	3,981	4,703
Other Comprehensive Income (Loss), Available-for-sale Securities, Tax	1,460	1,685
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	2,521	3,018
Other Comprehensive Income (Loss), Net of Tax, Total	2,521	3,018
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	7,530	118,684
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest
Net Income (Loss) Attributable to Noncontrolling Interest	73	9,656
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Noncontrolling Interest	0	57
Other comprehensive (income) loss, net of tax, attributable to noncontrolling interests	0	57
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest	73	9,713
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	$ 7,457	$ 108,971