SCHEDULE II-CONDENSED FINANCIAL INFORMATION OF REGISTRANT (PARENT COMPANY) (Details 4) - 10K (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Adjustments to reconcile net losses to net cash provided by (used in) operating activities:
Net realized investment (gains) losses	$ (9,542,000)	$ (5,708,000)	$ (10,431,000)	$ (6,501,000)	$ (3,611,000)	$ (10,999,000)	$ (3,742,000)	$ (3,684,000)	$ (32,182,000)	$ (22,036,000)	$ (25,372,000)
Depreciation									4,557,000	3,765,000	3,145,000
Other items, net									10,818,000	13,104,000	7,732,000
Change in:
Stock option excess tax benefit									(1,766,000)	(6,310,000)	(1,471,000)
Changes in investment in unconsolidated investees:
Undistributed earnings									(12,338,000)	(10,915,000)	(8,853,000)
Dividends received									6,600,000	13,200,000	6,600,000
Net cash provided by (used in) operating activities									123,085,000	134,966,000	36,240,000
Purchase of:
Fixed income, available-for-sale									(470,210,000)	(545,899,000)	(632,955,000)
Short-term investments, net											(6,597,000)
Property and equipment									(7,121,000)	(17,531,000)	(15,292,000)
Sale of:
Fixed income, available-for-sale									342,308,000	173,694,000	181,338,000
Short-term investments, net									11,401,000	7,230,000
Property and equipment									276,000	1,492,000	684,000
Call or maturity of:
Fixed income, available-for-sale									101,517,000	224,620,000	248,134,000
Net cash provided by (used in) investing activities									22,771,000	(101,932,000)	52,352,000
Cash flows from financing activities
Excess tax benefit from exercise of stock options									1,766,000	6,310,000	1,471,000
Stock plan share issuance									3,386,000	318,000	6,104,000
Proceeds from issuance of senior notes										149,571,000
Payment on senior notes										(99,504,000)
Debt issue costs paid										(1,437,000)
Net cash used in financing activities									(154,705,000)	(37,879,000)	(125,462,000)
Net (decrease) increase in cash									(8,849,000)	(4,845,000)	(36,870,000)
Cash at the beginning year				39,469,000				44,314,000	39,469,000	44,314,000	81,184,000
Cash at end of year	30,620,000				39,469,000				30,620,000	39,469,000	44,314,000
PARENT COMPANY
Cash flows from operating activities
Earnings (loss) before equity in net earnings of subsidiaries									3,242,000	5,822,000	1,010,000
Adjustments to reconcile net losses to net cash provided by (used in) operating activities:
Net realized investment (gains) losses									(271,000)	850,000	2,834,000
Depreciation									238,000	90,000	30,000
Other items, net									737,000	(1,789,000)	852,000
Change in:
Affiliate balances receivable/payable									(1,453,000)	1,349,000	(10,383,000)
Federal income taxes									3,982,000	5,288,000	3,964,000
Stock option excess tax benefit									(1,766,000)	(6,310,000)	(1,471,000)
Changes in investment in unconsolidated investees:
Undistributed earnings									(12,009,000)	(10,915,000)	(8,853,000)
Dividends received									6,600,000	13,200,000	6,600,000
Net cash provided by (used in) operating activities									(700,000)	7,585,000	(5,417,000)
Purchase of:
Fixed income, available-for-sale									(30,850,000)	(99,982,000)	(20,147,000)
Short-term investments, net										(12,963,000)
Property and equipment										(2,827,000)	(250,000)
Sale of:
Fixed income, available-for-sale											7,938,000
Short-term investments, net									13,217,000		10,786,000
Property and equipment											702,000
Call or maturity of:
Fixed income, available-for-sale									3,235,000	101,000,000	20,185,000
Cash dividends received-subsidiaries									185,000,000	40,000,000	138,000,000
Net cash provided by (used in) investing activities									170,602,000	25,228,000	157,214,000
Cash flows from financing activities
Excess tax benefit from exercise of stock options									1,766,000	6,310,000	1,471,000
Stock plan share issuance									3,386,000	318,000	6,104,000
Proceeds from issuance of senior notes										149,571,000
Payment on senior notes										(99,504,000)
Debt issue costs paid										(1,437,000)
Cash dividends paid									(174,861,000)	(101,913,000)	(145,695,000)
Net cash used in financing activities									(169,709,000)	(46,655,000)	(138,120,000)
Net (decrease) increase in cash									193,000	(13,842,000)	13,677,000
Cash at the beginning year				181,000				14,023,000	181,000	14,023,000	346,000
Cash at end of year	374,000				181,000				374,000	181,000	14,023,000
Interest paid on outstanding debt									$ 7,000,000	$ 8,400,000	$ 6,000,000