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Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |
Beginning balance | $ 1,741,750 | $ 1,752,594
Total Other Comprehensive Income (Loss) | (4,050) | 5,445
Ending balance | 1,687,569 | 1,747,458
Total |  |
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |
Beginning balance | (99,377) | (108,684)
Amounts reclassified from AOCI (pre-tax) | 852 | 1,445
Income tax impact of amounts reclassified | (216) | (366)
Other OCI changes (pre-tax) | (6,281) | 5,853
Income tax impact of other OCI changes | 1,595 | (1,487)
Total Other Comprehensive Income (Loss) | (4,050) | 5,445
Ending balance | (103,427) | (103,239)
Fair Value Adjustment for Cash Flow Hedges |  |
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |
Beginning balance | (322) | 1,738
Amounts reclassified from AOCI (pre-tax) | (38) | 270
Income tax impact of amounts reclassified | 10 | (68)
Other OCI changes (pre-tax) | (1,998) | (1,225)
Income tax impact of other OCI changes | 507 | 311
Total Other Comprehensive Income (Loss) | (1,519) | (712)
Ending balance | (1,841) | 1,026
PNM |  |
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |
Beginning balance | 1,512,431 | 1,461,571
Total Other Comprehensive Income (Loss) | (2,531) | 6,157
Ending balance | 1,450,484 | 1,485,307
PNM | Total |  |
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |
Beginning balance | (99,055) | (110,422)
Amounts reclassified from AOCI (pre-tax) | 890 | 1,175
Income tax impact of amounts reclassified | (226) | (298)
Other OCI changes (pre-tax) | (4,283) | 7,078
Income tax impact of other OCI changes | 1,088 | (1,798)
Total Other Comprehensive Income (Loss) | (2,531) | 6,157
Ending balance | (101,586) | (104,265)
PNM | Unrealized Gains on Available-for-Sale Securities |  |
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |
Beginning balance | 10,638 | 1,939
Amounts reclassified from AOCI (pre-tax) | (1,185) | (676)
Income tax impact of amounts reclassified | 301 | 172
Other OCI changes (pre-tax) | (4,283) | 7,078
Income tax impact of other OCI changes | 1,088 | (1,798)
Total Other Comprehensive Income (Loss) | (4,079) | 4,776
Ending balance | 6,559 | 6,715
PNM | Pension Liability Adjustment |  |
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |
Beginning balance | (109,693) | (112,361)
Amounts reclassified from AOCI (pre-tax) | 2,075 | 1,851
Income tax impact of amounts reclassified | (527) | (470)
Total Other Comprehensive Income (Loss) | 1,548 | 1,381
Ending balance | $ (108,145) | $ (110,980)

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