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Schedule II [Disclosure] - Condensed Statement of Cash Flows (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Operating Activities |  |  |
Net income | $ 19,515,452 | $ 12,549,053 | $ 9,672,498
Depreciation | 1,306,643 | 1,105,839 | 833,104
Amortization of investments, net | 772,100 | 728,510 | 630,782
Net (gain) loss on disposals of property | (12,439) | (24,867) | 24,608
Net (earnings) loss from other investments | (1,750,485) | (2,002,276) | (1,450,980)
(Benefit) provision for deferred income taxes | 2,790,000 | 1,015,000 | 611,000
Decrease (increase) in receivables | (261,464) | 217,594 | 206,041
Decrease (increase) in income taxes recoverable | 0 | 0 | 366,772
Decrease (increase) in other assets | 2,631,205 | (4,879,418) | (393,359)
(Decrease) increase in accounts payable and accrued liabilities | (581,518) | 6,689,204 | (2,080,492)
Net cash provided by (used in) operating activities | 22,534,969 | 16,889,631 | 9,683,980
Investing Activities |  |  |
Purchases of available-for-sale securities | (19,424,849) | (20,164,353) | (30,899,452)
Purchases of short-term securities | (1,775,239) | (4,593,240) | (911,188)
Purchases of and net earnings from other investments | (2,743,413) | (3,717,978) | (1,689,950)
Proceeds from sales and maturities of available-for-sale securities | 20,258,089 | 22,151,408 | 12,472,817
Proceeds from sales and maturities of short-term securities | 2,081,805 | 304,827 | 6,260,568
Proceeds from sales and distributions of other investments | 3,437,999 | 3,911,286 | 1,584,337
Proceeds from sales of other assets | 17,601 | 149,128 | 38,052
Purchases of property | (2,456,951) | (2,742,619) | (2,017,379)
Proceeds from disposals of property | 91,656 | 75,060 | 24,400
Net cash provided by (used in) investing activities | (8,838,598) | (4,699,081) | (15,653,070)
Financing Activities |  |  |
Repurchases of common stock | (6,219,670) | (5,483,953) | (1,055,765)
Exercise of stock appreciation rights and options | (200) | 54,988 | 27,100
Proceeds from note payable | 6,000,000 | 0 | 0
Payments on note payable | (6,000,000) | 0 | 0
Excess tax benefit | 32,293 | 26,875 | 15,999
Dividends paid | (1,370,390) | (789,907) | (650,433)
Net cash provided by (used in) financing activities | (7,557,967) | (6,226,997) | (1,831,156)
Net Increase in Cash and Cash Equivalents | 6,138,404 | 5,963,553 | (7,800,246)
Cash and Cash Equivalents, Beginning of Period | 21,790,068 | 15,826,515 | 23,626,761
Cash and Cash Equivalents, End of Period | 27,928,472 | 21,790,068 | 15,826,515
Parent Company |  |  |
Operating Activities |  |  |
Net income | 19,515,452 | 12,549,053 | 9,672,498
Equity in net earnings of subsidiaries | (19,665,205) | (12,640,260) | (9,777,925)
Depreciation | 93,086 | 112,690 | 136,369
Amortization of investments, net | 163,989 | 192,654 | 210,768
Share-based compensation expense related to stock appreciation rights and options | 132,098 | 137,759 | 164,730
Net (gain) loss on disposals of property | 0 | 1,683 | 2,722
Net realized loss (gain) on investments | (77,895) | 152,026 | (19,231)
Net (earnings) loss from other investments | (13,135) | (237,686) | 322
(Benefit) provision for deferred income taxes | (18,000) | 13,000 | (40,000)
Decrease (increase) in receivables | 1,037,423 | (847,177) | (685,052)
Decrease (increase) in income taxes recoverable | (829,275) | 142,928 | 1,354,735
Decrease (increase) in other assets | 33,888 | 7,852 | (24,650)
(Decrease) increase in accounts payable and accrued liabilities | (896,311) | 1,192,927 | 516,252
Net cash provided by (used in) operating activities | (523,885) | 777,449 | 1,511,538
Investing Activities |  |  |
Purchase of subsidiary | (10,918,003) | 0 | 0
Dividends received from subsidiaries | 17,330,948 | 7,630,835 | 5,051,664
Purchases of available-for-sale securities | (1,783,223) | (260,044) | (6,883,612)
Purchases of short-term securities | (3,162,283) | (2,721,578) | (104,207)
Purchases of and net earnings from other investments | (1,552,769) | (2,007,798) | (964,197)
Proceeds from sales and maturities of available-for-sale securities | 6,815,907 | 2,475,557 | 1,631,987
Proceeds from sales and maturities of short-term securities | 3,005,647 | 0 | 2,033,634
Proceeds from sales and distributions of other investments | 321,758 | 734,170 | 123,017
Purchases of property | (144,915) | (32,071) | (5,200)
Net cash provided by (used in) investing activities | 9,913,067 | 5,819,071 | 883,086
Financing Activities |  |  |
Repurchases of common stock | (6,219,670) | (5,483,953) | (1,055,765)
Exercise of stock appreciation rights and options | (200) | 54,988 | 27,100
Proceeds from note payable | 6,000,000 | 0 | 0
Payments on note payable | (6,000,000) | 0 | 0
Excess tax benefit | 32,293 | 26,875 | 15,999
Dividends paid | (1,370,390) | (789,907) | (650,433)
Net cash provided by (used in) financing activities | (7,557,967) | (6,191,997) | (1,663,099)
Net Increase in Cash and Cash Equivalents | 1,831,215 | 404,523 | 731,525
Cash and Cash Equivalents, Beginning of Period | 8,347,004 | 7,942,481 | 7,210,956
Cash and Cash Equivalents, End of Period | 10,178,219 | 8,347,004 | 7,942,481
Supplemental Disclosures: |  |  |
Income tax payments, net | $ 4,964,000 | $ 4,598,000 | $ 2,699,000

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- Definition Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585 + Details
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- Definition The cash outflow to acquire debt and equity securities not classified as either held-to-maturity securities or trading securities which would be classified as available-for-sale securities and reported at fair value, with unrealized gains and losses excluded from earnings and reported in a separate component of shareholders' equity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=66010992&loc=d3e26853-111562 + Details
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- Definition The cash outflow associated with the acquisition of or advances to an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, and joint venture or equity method investment) or the acquisition of an additional interest in a subsidiary (controlled entity). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585 + Details
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- Definition Amount of cash outflow to acquire investments classified as other. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585 + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585 + Details
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- Definition The cash outflow for securities or other assets acquired, which qualify for treatment as an investing activity and are to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585 + Details
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- Definition The cash inflow associated with the amount received from holders to acquire the entity's shares under incentive and share awards other than stock option exercises. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + References No definition available. + Details
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- Definition The cash inflow from a borrowing supported by a written promise to pay an obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The cash inflow associated with the sale or maturity (principal being due) of securities not classified as either held-to-maturity securities or trading securities which are classified as available-for-sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=66010992&loc=d3e26853-111562 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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- Definition The cash inflow from sales, maturities, prepayments, calls and collections of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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- Definition Amount of cash inflow from the sale of investments classified as other. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3521-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3574-108585 + Details
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- Definition Amount of cash inflow from the sale of tangible or intangible assets used to produce goods or deliver services, classified as other. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585 + Details
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- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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- Definition The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=65897068&loc=SL4591552-111686 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=68079674&loc=SL4569616-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=64809438&loc=SL4573702-111684 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=65897068&loc=SL4591551-111686 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=64809438&loc=SL4573702-111684 + Details
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- Definition The cash outflow for a borrowing supported by a written promise to pay an obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585 + Details
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