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Indebtedness (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2005	Dec. 31, 2019	Dec. 31, 2018	Aug. 05, 2019	Mar. 31, 2019	Mar. 07, 2019	Dec. 31, 2004
Maximum borrowing percentage		10.00%
Borrowing threshold of FHLBI		20
Debt Issuance Costs, Gross					$ 3,300
Long-term debt		$ 550,597	$ 439,540
Five Point Three Hundred Seventy Five [Member]
Long-term Debt, Gross		$ 300,000			$ 300,000
Interest Rate		5.375%
Discount for notes issued		$ 5,900
Net proceeds from the issuance		290,800
Five Point Eight Hundred Seventy Five Percent Senior Notes [Member]
Long-term Debt, Gross		$ 185,000
Interest Rate		5.875%
Debt Retirement Costs Before Tax		$ 4,200
Debt Retirement Costs Net of Tax		3,300
Proceeds From Debt Issuance After Redemption		106,000
Three Point Zero Three Percent Borrowing From Federal Home Loan Bank Due December 16, 2026 [Member]
Long-term Debt, Gross		$ 60,000
Interest Rate		3.03%
Federal Home Loan Bank Advances			45,000
Net proceeds from the issuance			15,000
Six Point Seventy Percent Senior Notes due 2035 [Member]
Long-term Debt, Gross		$ 100,000
Interest Rate		6.70%
Acceleration of principal		$ 10,000
Discount for notes issued	$ 700
Effective yield	6.754%
Net proceeds from the issuance	$ 50,000
Seven Point Twenty Five Percent Senior Notes due 2034 [Member]
Long-term Debt, Gross		$ 50,000
Interest Rate		7.25%
Acceleration of principal		$ 10,000
Discount for notes issued							$ 100
Effective yield							7.27%
Bond proceeds to Insurance Subsidiaries as capital							$ 25,000
Line of Credit expires Dec.20, 2022 [Member]
Line of credit borrowing capacity		50,000	30,000
Line of credit, maximum borrowing capacity		125,000	50,000
Acceleration of principal		$ 20,000
Maximum borrowing percentage		10.00%
One Point Sixty One Percent Borrowing From Federal Home Loan Bank Due July 21, 2021 [Member]
Long-term Debt, Gross		$ 25,000
Interest Rate		1.61%
One Point Fifty Six Percent Borrowing From Federal Home Loan Bank Due August 16, 2021 [Member]
Long-term Debt, Gross		$ 25,000
Interest Rate		1.56%
Two Point Sixty Four Percent Borrowing From Federal Home Loan Bank Due March 28, 2019 [Member]
Federal Home Loan Bank Advances						$ 50,000
Federal Home Loan Bank, Advances, Interest Rate						2.64%
Two Point Twenty Nine Percent Borrowing From Federal Home Loan Bank Due August 12, 2019 [Member]
Federal Home Loan Bank Advances				$ 15,000
Federal Home Loan Bank, Advances, Interest Rate				2.29%
Federal Home Loan Bank of Indianapolis [Member]
Aggregate investment in FHLBI		$ 2,800
Federal Home Loan Bank of New York [Member]
Aggregate investment in FHLBI		$ 3,100	$ 2,700

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The cash inflow from the bond proceeds contributed to the Insurance Subsidiaries as capital.

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This amount is a multiple of the Company's aggregate investment in the Federal Home Loan Bank representing the Company's ability to borrow from the Federal Home Loan Bank.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount of Federal Home Loan Bank (FHLBank) advances to member financial institutions.

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Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

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