Unaudited Interim Consolidated Statements of Financial Position - USD ($) $ in Thousands		Mar. 31, 2018	Dec. 31, 2017
ASSETS
Fixed maturities, available for sale, at fair value (amortized cost: 2018 – $5,107,015; 2017 – $4,941,944)		$ 5,258,693	$ 5,223,302
Fixed maturities, trading, at fair value (amortized cost: 2018 – $38,279; 2017 – $38,279)	[1]	39,650	38,793
Equity securities, at fair value (cost: 2018 – $37,689; 2017 – $32,694)	[1]	44,419	40,610
Policy loans		1,169,847	1,161,101
Short-term investments		1,194	1,339
Commercial mortgage and other loans		1,137,366	1,083,419
Other invested assets (includes $62,117 and $726 measured at fair value under the fair value option at March 31, 2018 and December 31, 2017, respectively)	[1]	304,417	263,074
Total investments		7,955,586	7,811,638
Cash and cash equivalents		81,186	212,569
Deferred policy acquisition costs		1,432,029	1,376,211
Accrued investment income		83,878	82,341
Reinsurance recoverables		31,696,534	32,555,500
Receivables from parent and affiliates		280,118	300,116
Other assets		433,592	465,467
Separate account assets		127,433,522	129,655,734
TOTAL ASSETS		169,396,445	172,459,576
LIABILITIES
Policyholders’ account balances		20,535,072	20,036,134
Future policy benefits		17,431,953	18,593,130
Cash collateral for loaned securities		13,576	33,169
Income taxes		786	32,440
Short-term debt to affiliates		80	0
Payables to parent and affiliates		240,129	228,210
Other liabilities		1,013,952	1,060,123
Separate account liabilities		127,433,522	129,655,734
TOTAL LIABILITIES		166,669,070	169,638,940
COMMITMENTS AND CONTINGENT LIABILITIES
EQUITY
Common stock ($10 par value; 1,000,000 shares authorized; 250,000 shares issued and outstanding)		2,500	2,500
Additional paid-in capital		1,146,592	1,141,092
Retained earnings		1,499,351	1,511,698
Accumulated other comprehensive income		78,932	165,346
TOTAL EQUITY		2,727,375	2,820,636
TOTAL LIABILITIES AND EQUITY		$ 169,396,445	$ 172,459,576

[1] Prior period amounts have been reclassified to conform to current period presentation. See "Adoption of ASU 2016-01" in Note 2 for details