(2) Consolidated Statement of Comprehensive (Loss) Income (1) Net realized and unrealized gains on investments in the consolidated statements of income. (2) Income tax expense in the consolidated statements of income. 66 (In thousands) December 31, 2018 Unrealized investment (losses) gains Currency translation adjustments Accumulated other comprehensive (loss) income Changes in AOCI Beginning of period $ 375,421 $ (306,880) $ 68,541 Cumulative effect adjustment resulting from changes in accounting principles (214,539 ) — (214,539 ) Restated beginning of period 160,882 (306,880) (145,998) Other comprehensive loss before reclassifications (246,535 ) (112,099 ) (358,634 ) Amounts reclassified from AOCI (5,792) — (5,792) Other comprehensive loss (252,327 ) (112,099 ) (364,426 ) Unrealized investment loss related to non-controlling interest (46) — (46) Ending balance $ (91,491 ) $ (418,979 ) $ (510,470 ) Amounts reclassified from AOCI Pre-tax $ (7,332 ) (1) $ — $ (7,332 ) Tax effect 1,540 (2) — 1,540 After-tax amounts reclassified $ (5,792 ) $ — $ (5,792 ) Other comprehensive loss Pre-tax $ (302,737 ) $ (112,099 ) $ (414,836 ) Tax effect 50,410 — 50,410 Other comprehensive loss $ (252,327 ) $ (112,099 ) $ (364,426 ) (In thousands) December 31, 2017 Unrealized investment gains (losses) Currency translation adjustments Accumulated other comprehensive income (loss) Changes in AOCI Beginning of period $ 427,154 $ (371,586) $ 55,568 Other comprehensive income before reclassifications 63,567 64,706 128,273 Amounts reclassified from AOCI (115,319) — (115,319) Other comprehensive (loss) income (51,752 ) 64,706 12,954 Unrealized investment gain related to non-controlling interest 19 — 19 Ending balance $ 375,421 $ (306,880 ) $ 68,541 Amounts reclassified from AOCI Pre-tax $ (177,414 ) (1) $ — $ (177,414 ) Tax effect 62,095 (2) — 62,095 After-tax amounts reclassified $ (115,319 ) $ — $ (115,319 ) Other comprehensive income (loss) Pre-tax $ (69,425 ) $ 64,706 $ (4,719 ) Tax effect 17,673 — 17,673 Other comprehensive income (loss) $ (51,752 ) $ 64,706 $ 12,954 The following tables present the components of the changes in accumulated other comprehensive (loss) income ("AOCI") as of and for the years ended December 31, 2018 and 2017: