Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] | Three months ended Three months ended September 30, 2016 September 30, 2015 Before Tax Income Tax Net Before Tax Income Tax Net Accumulated unrealized gains, net, on investments available for sale, beginning of period $ 308,777 $ 104,988 $ 203,789 $ 84,702 $ 28,799 $ 55,903 Other comprehensive loss before reclassification (8,644 ) (2,939 ) (5,705 ) (57,170 ) (19,439 ) (37,731 ) Reclassification adjustment for realized investment gains, net, included in realized gains on investments, net (61,301 ) (20,842 ) (40,459 ) (11,137 ) (3,786 ) (7,351 ) Effect on other comprehensive loss (69,945 ) (23,781 ) (46,164 ) (68,307 ) (23,225 ) (45,082 ) Accumulated unrealized gains, net, on investments available for sale, end of period $ 238,832 $ 81,207 $ 157,625 $ 16,395 $ 5,574 $ 10,821 Accumulated unrealized losses, net, on interest rate swap, beginning of period $ (64,525 ) $ (21,940 ) $ (42,585 ) $ (3,857 ) $ (1,311 ) $ (2,546 ) Other comprehensive income (loss) before reclassification 9,339 3,176 6,163 (28,769 ) (9,782 ) (18,987 ) Effect on other comprehensive income (loss) 9,339 3,176 6,163 (28,769 ) (9,782 ) (18,987 ) Accumulated unrealized losses, net, on interest rate swap, end of period $ (55,186 ) $ (18,764 ) $ (36,422 ) $ (32,626 ) $ (11,093 ) $ (21,533 ) Accumulated other comprehensive income, beginning of period $ 244,252 $ 83,048 $ 161,204 $ 80,845 $ 27,488 $ 53,357 Change in unrealized losses, net, on investments available for sale (69,945 ) (23,781 ) (46,164 ) (68,307 ) (23,225 ) (45,082 ) Change in unrealized gains (losses), net, on interest rate swap 9,339 3,176 6,163 (28,769 ) (9,782 ) (18,987 ) Effect on other comprehensive loss (60,606 ) (20,605 ) (40,001 ) (97,076 ) (33,007 ) (64,069 ) Accumulated other comprehensive income (loss), end of period $ 183,646 $ 62,443 $ 121,203 $ (16,231 ) $ (5,519 ) $ (10,712 ) Nine months ended Nine months ended September 30, 2016 September 30, 2015 Before Tax Income Tax Net Before Tax Income Tax Net Accumulated unrealized (losses) gains, net, on investments available for sale, beginning of period $ (34,498 ) $ (11,725 ) $ (22,773 ) $ 155,814 $ 52,980 $ 102,834 Other comprehensive income (loss) before reclassification 283,306 96,324 186,982 (108,055 ) (36,742 ) (71,313 ) Reclassification adjustment for realized investment gains, net, included in realized gains on investments, net (9,976 ) (3,392 ) (6,584 ) (31,364 ) (10,664 ) (20,700 ) Effect on other comprehensive income (loss) 273,330 92,932 180,398 (139,419 ) (47,406 ) (92,013 ) Accumulated unrealized gains, net, on investments available for sale, end of period $ 238,832 $ 81,207 $ 157,625 $ 16,395 $ 5,574 $ 10,821 Accumulated unrealized losses, net, on interest rate swap, beginning of period $ (18,016 ) $ (6,126 ) $ (11,890 ) $ (4,854 ) $ (1,651 ) $ (3,203 ) Other comprehensive loss before reclassification (37,170 ) (12,638 ) (24,532 ) (27,772 ) (9,442 ) (18,330 ) Effect on other comprehensive loss (37,170 ) (12,638 ) (24,532 ) (27,772 ) (9,442 ) (18,330 ) Accumulated unrealized losses, net, on interest rate swap, end of period $ (55,186 ) $ (18,764 ) $ (36,422 ) $ (32,626 ) $ (11,093 ) $ (21,533 ) Accumulated other comprehensive (loss) income, beginning of period $ (52,514 ) $ (17,851 ) $ (34,663 ) $ 150,960 $ 51,329 $ 99,631 Change in unrealized gains (losses), net, on investments available for sale 273,330 92,932 180,398 (139,419 ) (47,406 ) (92,013 ) Change in unrealized losses net, on interest rate swap (37,170 ) (12,638 ) (24,532 ) (27,772 ) (9,442 ) (18,330 ) Effect on other comprehensive income (loss) 236,160 80,294 155,866 (167,191 ) (56,848 ) (110,343 ) Accumulated other comprehensive income (loss), end of period $ 183,646 $ 62,443 $ 121,203 $ (16,231 ) $ (5,519 ) $ (10,712 ) |