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Stock-Based Compensation (Narrative) (Details) - USD ($) |  |  |  |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Mar. 01, 2020 | Mar. 01, 2019 | Sep. 07, 2018 | Aug. 23, 2017 | Aug. 27, 2014 | Sep. 30, 2018 | May 31, 2018 | Aug. 31, 2017 | May 31, 2017 | Aug. 31, 2016 | May 31, 2016 | Aug. 31, 2015 | Nov. 30, 2014 | Aug. 31, 2014 | Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expired unexercised, number of shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 370,000 |  |  | 474,443 |
Number of stock options awarded |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 600,000 |  |  |  |
Options exercisable |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 353,579 |  |  |  |
Share-based compensation charge, net |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 393,000 | $ 2,607,000 | [1] | $ 1,982,000 | [1]
Share-based compensation, number of shares exercised |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 321,026 |
Number of shares, forfeitures |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 174,695 | 37,333 |  | 435,448 |
Valuation allowance |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 200,000 | $ 800,000 |  |  |
Exercised of stock option, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,879,000 |
Net1 UTA [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred tax asset related to stock-based compensation |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 200,000 | $ 800,000 |  |  |
Stock Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total number of shares of common stock issuable under plan |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 11,052,580 |  |  |  |
Maximum number of shares for which awards may granted during calendar year to any participant |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 569,120 |  |  |  |
Maximum number of shares subject to stock option awards that can be granted during calendar year |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 569,120 |  |  |  |
Maximum amount that can be granted in calendar year awards other than stock options |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 20,000,000 |  |  |  |
Stock Options [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation options expiration period, in years |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 years |  |  |  |
Vesting period |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 years |  |  |  |
Number of stock options awarded |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |
Options exercisable |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 105,982 |  | 154,803 |
Proceeds from exercise of stock options |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,900,000 |
Unrecognized compensation cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 800,000 |  |  |  |
Unrecognized compensation cost, expected recognition period, years |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 years |  |  |  |
Exercised of stock option, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 |  | $ 321,026 |
Expected volatility |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 44.00% |  |  |  |
Expected life (in years) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 years |  |  |  |
Risk-free rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.75% |  |  |  |
Number of shares forfeited |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 174,695 | 37,333 |  | 435,448 |
Options exercise price range, lower limit |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 6.20 |  |  |  |
Options exercise price range, upper limit |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 11.23 |  |  |  |
Stock Options [Member] | August 2006 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expired unexercised, number of shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 474,443 |
Stock Options [Member] | August 2008 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expired unexercised, number of shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 200,000 |  |  |  |
Stock Options [Member] | May 2009 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expired unexercised, number of shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 170,000 |  |  |  |
Restricted Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 years |  |  |  |
Number of stock options awarded |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 618,411 |  | 389,587 |
Fair value of restricted stock vested |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 500,000 | $ 500,000 |  | $ 2,600,000 |
Unrecognized compensation cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,400,000 |  |  |  |
Unrecognized compensation cost, expected recognition period, years |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 years |  |  |  |
Expected life (in years) |  |  |  |  |  |  |  |  |  |  |  |  | 3 years | 3 years |  |  |  |  |
Future dividends |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 |  |  |  |  |
Strike price |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 |  |  |  |  |
Vested number of shares of restricted stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 64,003 |  |  | 268,091 |
Restricted Stock [Member] | August 2015 Awards [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reversed stock-based compensation charge, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 301,537 |
Number of shares, forfeitures |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 173,262 |  |  |
Restricted Stock [Member] | September 2018 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expected volatility |  |  |  |  |  | 37.40% |  |  |  |  |  |  |  |  |  |  |  |  |
Expected volatility calculation term |  |  |  |  |  | 30 days |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted Stock [Member] | September 2018 [Member] | Below $15 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Performance target, per share |  |  |  |  |  | $ 15.00 |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting percentage |  |  |  |  |  | 0.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted Stock [Member] | September 2018 [Member] | At or above $15 and below $19 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting percentage |  |  |  |  |  | 33.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted Stock [Member] | September 2018 [Member] | At or above $23 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Performance target, per share |  |  |  |  |  | $ 23.00 |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting percentage |  |  |  |  |  | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted Stock [Member] | August 2017 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expected volatility |  |  |  |  |  |  |  | 44.00% |  |  |  |  |  |  |  |  |  |  |
Expected life (in years) |  |  |  |  |  |  |  | 3 years |  |  |  |  |  |  |  |  |  |  |
Future dividends |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |
Restricted Stock [Member] | August And November 2014 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expected volatility |  |  |  |  |  |  |  |  |  |  |  |  | 63.73% | 76.01% |  |  |  |  |
Risk-free rate |  |  |  |  |  |  |  |  |  |  |  |  | 1.21% | 1.27% |  |  |  |  |
Restricted Stock [Member] | Executive Officers [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation number of stock award forfeited |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 150,000 |  |  |  |
Restricted Stock [Member] | Executive Officers [Member] | September 2018 Grants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation number of stock awarded |  |  |  |  |  | 148,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted Stock [Member] | Executive Officers [Member] | August 2016 Awards [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reversed stock-based compensation charge, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 150,000 |  |  |  |
Number of shares forfeited |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 150,000 |  |  |  |
Restricted Stock [Member] | Executive Officers [Member] | September 2018 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  |  | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stock options awarded |  |  |  |  |  | 148,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Performance target, per share |  |  |  |  |  | $ 23.00 |  |  |  |  |  |  |  |  |  |  |  |  |
Closing price, per share |  |  | $ 6.20 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted Stock [Member] | Executive Officers [Member] | August 2017 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of increase target price |  |  |  | 35.00% |  | 55.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Closing price, per share |  |  |  | $ 9.38 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Strike price |  |  |  |  |  |  |  | $ 0.00 |  |  |  |  |  |  |  |  |  |  |
Restricted Stock [Member] | Executive Officers [Member] | August 2017 [Member] | August 2017 Grants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation number of stock awarded |  |  |  |  |  |  |  | 210,000 |  |  |  |  |  |  |  |  |  |  |
Restricted Stock [Member] | Executive Officers [Member] | August 2017 [Member] | Below $15 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Performance target, per share |  |  |  |  |  |  |  | $ 15.00 |  |  |  |  |  |  |  |  |  |  |
Vesting percentage |  |  |  |  |  |  |  | 0.00% |  |  |  |  |  |  |  |  |  |  |
Restricted Stock [Member] | Executive Officers [Member] | August 2017 [Member] | At or above $15 and below $19 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Performance target, per share |  |  |  |  |  |  |  | $ 15.00 |  |  |  |  |  |  |  |  |  |  |
Restricted Stock [Member] | Executive Officers [Member] | August 2017 [Member] | At or above $19 and below $23 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Performance target, per share |  |  |  |  |  |  |  | 19.00 |  |  |  |  |  |  |  |  |  |  |
Restricted Stock [Member] | Executive Officers [Member] | August 2017 [Member] | At or above $23 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Performance target, per share |  |  |  |  |  |  |  | $ 23.00 |  |  |  |  |  |  |  |  |  |  |
Vesting percentage |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  |  |  |  |  |  |
Restricted Stock [Member] | Executive Officers [Member] | August 2016 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation number of stock awarded |  |  |  |  |  |  |  |  |  | 350,000 |  |  |  |  |  |  |  |  |
Restricted Stock [Member] | Executive Officers [Member] | August 2016 [Member] | August 2016 Awards [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stock options awarded |  |  |  |  |  |  |  |  |  | 350,000 |  |  |  |  |  |  |  |  |
Restricted Stock [Member] | Non-Employee Directors [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 years |  |  |  |
Fair value of restricted stock vested |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 56,250 |  |  |
Vested number of shares of restricted stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 56,250 |  |  |
Restricted Stock [Member] | Non-Employee Directors [Member] | August 2017 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting date |  |  |  |  |  |  |  | Aug. 23, 2018 |  |  |  |  |  |  |  |  |  |  |
Restricted Stock [Member] | Non-Employee Directors [Member] | August 2017 [Member] | August 2017 Grants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation number of stock awarded |  |  |  |  |  |  |  | 52,594 |  |  |  |  |  |  |  |  |  |  |
Fair value of restricted stock vested |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 52,594 |  |  |  |
Restricted Stock [Member] | Non-Employee Directors [Member] | August 2016 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation number of stock awarded |  |  |  |  |  |  |  |  |  | 37,000 |  |  |  |  |  |  |  |  |
Restricted Stock [Member] | Executive Officers And Employees [Member] | August 2017 [Member] | August 2017 Grants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation number of stock awarded |  |  |  |  |  |  |  | 326,000 |  |  |  |  |  |  |  |  |  |  |
Restricted Stock [Member] | Executive Officers And Employees [Member] | May 2018 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting date |  |  |  |  |  |  | Aug. 23, 2020 |  |  |  |  |  |  |  |  |  |  |  |
Restricted Stock [Member] | Employees [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stock options awarded |  |  |  |  |  |  |  |  |  |  |  |  | 71,530 | 127,626 |  |  |  |  |
Share based compensation number of stock award forfeited |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 115,500 |  |  |  |
Period of trading days to the trigger events |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 30 days |  |  |  |
Percentage increase of common stock price on market |  |  |  |  | 20.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted Stock [Member] | Employees [Member] | August 2015 Awards [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stock options awarded |  |  |  |  |  |  |  |  |  |  |  | 301,537 |  |  |  |  |  |  |
Restricted Stock [Member] | Employees [Member] | May 2018 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation number of stock awarded |  |  |  |  |  |  | 7,000 |  |  |  |  |  |  |  |  |  |  |  |
Restricted Stock [Member] | Employees And Former Chief Executive Officer [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation number of stock award forfeited |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 205,470 |
Restricted Stock [Member] | Former Chief Executive Officer [Member] | August 2016 Awards [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation arrangement accelerated vesting number |  |  |  |  |  |  |  |  | 200,000 |  |  |  |  |  |  |  |  |  |
Restricted Stock [Member] | Former Chief Executive Officer [Member] | August 2016 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based compensation arrangement accelerated vesting number |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 200,000 |
Restricted Stock [Member] | Chief Financial Officer [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation number of stock awarded |  |  |  |  |  |  |  | 22,817 |  |  |  |  |  |  |  |  |  |  |
Restricted Stock [Member] | Chief Financial Officer [Member] | Vested on March 1, 2019 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vested number of shares of restricted stock |  | 11,409 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted Stock [Member] | Independent Directors [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 year |  |  |  |
Restricted Stock [Member] | One-Third Shares Vest 2019 Fundamental EPS [Member] | Executive Officers [Member] | August 2016 Awards [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fundamental EPS, to be achieved |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2.60 |  |  |  |
Restricted Stock [Member] | Two-Thirds Shares Vest 2019 Fundamental EPS [Member] | Executive Officers [Member] | August 2016 Awards [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fundamental EPS, to be achieved |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.80 |  |  |  |
Restricted Stock [Member] | All Shares Vest 2019 Fundamental EPS [Member] | Executive Officers [Member] | August 2016 Awards [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fundamental EPS, to be achieved |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.00 |  |  |  |
Restricted Stock [Member] | One-Third Shares Vest 2018 Fundamental EPS [Member] | Employees [Member] | August 2015 Awards [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fundamental EPS, to be achieved |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.88 |  |  |  |
Restricted Stock [Member] | Two-Thirds Shares Vest 2018 Fundamental EPS [Member] | Employees [Member] | August 2015 Awards [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fundamental EPS, to be achieved |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.30 |  |  |  |
Restricted Stock [Member] | All Shares Vest 2018 Fundamental EPS [Member] | Employees [Member] | August 2015 Awards [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fundamental EPS, to be achieved |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3.76 |  |  |  |
Restricted Stock [Member] | Forecast [Member] | Chief Financial Officer [Member] | Vest on March 1, 2020 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vested number of shares of restricted stock | 11,408 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restricted Stock [Member] | Termination Which Did Not Have Performance Or Market Conditions [Member] | Employees [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation number of stock award forfeited |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,000 |  |  |  |
Restricted Stock [Member] | Termination Which Either Performance Or Market Conditions [Member] | Employees [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation number of stock award forfeited |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 30,635 |  |  |  |
Restricted Stock [Member] | Market Conditions Were Not Achieved [Member] | Executive Officers And Employees [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation number of stock award forfeited |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 95,326 |  |  |  |
Restricted Stock [Member] | Performance Conditions Were Not Achieved [Member] | Executive Officers And Employees [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation number of stock award forfeited |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 173,262 |  |  |  |
Stock Appreciation Rights (SARs) [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stock options awarded |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |
2019 Fundamental EPS [Member] | August 2016 Awards [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fundamental EPS, linear interpolation |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2.80 |  |  |  |
2019 Fundamental EPS [Member] | Executive Officers [Member] | August 2017 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of stock options awarded |  |  |  |  |  |  |  |  |  | 210,000 |  |  |  |  |  |  |  |  |
2018 Fundamental EPS [Member] | August 2015 Awards [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fundamental EPS, linear interpolation |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.30 |  |  |  |
2018 Fundamental EPS [Member] | Not Achieving 2018 Fundamental EPS [Member] | August 2015 Awards [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of common stock shares that will impact fundamental EPS calculation |  |  |  |  |  |  |  |  |  |  | 10,000,000 |  |  |  |  |  |  |  |
Minimum [Member] | Restricted Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Closing price, per share |  |  |  |  | $ 11.23 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum [Member] | Restricted Stock [Member] | September 2018 [Member] | At or above $15 and below $19 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Performance target, per share |  |  |  |  |  | $ 15.00 |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum [Member] | Restricted Stock [Member] | September 2018 [Member] | At or above $19 and below $23 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Performance target, per share |  |  |  |  |  | 19.00 |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum [Member] | Restricted Stock [Member] | August 2017 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk-free rate |  |  |  |  |  |  |  | 1.275% |  |  |  |  |  |  |  |  |  |  |
Minimum [Member] | Restricted Stock [Member] | Executive Officers [Member] | August 2017 [Member] | At or above $15 and below $19 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting percentage |  |  |  |  |  |  |  | 19.00% |  |  |  |  |  |  |  |  |  |  |
Minimum [Member] | Restricted Stock [Member] | Executive Officers [Member] | August 2017 [Member] | At or above $19 and below $23 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting percentage |  |  |  |  |  |  |  | 23.00% |  |  |  |  |  |  |  |  |  |  |
Minimum [Member] | 2019 Fundamental EPS [Member] | August 2016 Awards [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fundamental EPS |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.60 |  |  |  |
Minimum [Member] | 2018 Fundamental EPS [Member] | August 2015 Awards [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fundamental EPS |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.88 |  |  |  |
Maximum [Member] | Restricted Stock [Member] | September 2018 [Member] | At or above $15 and below $19 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Performance target, per share |  |  |  |  |  | 19.00 |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum [Member] | Restricted Stock [Member] | September 2018 [Member] | At or above $19 and below $23 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Performance target, per share |  |  |  |  |  | $ 23.00 |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum [Member] | Restricted Stock [Member] | August 2017 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk-free rate |  |  |  |  |  |  |  | 1.657% |  |  |  |  |  |  |  |  |  |  |
Maximum [Member] | Restricted Stock [Member] | Executive Officers [Member] | August 2017 [Member] | At or above $15 and below $19 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting percentage |  |  |  |  |  |  |  | 33.00% |  |  |  |  |  |  |  |  |  |  |
Maximum [Member] | Restricted Stock [Member] | Executive Officers [Member] | August 2017 [Member] | At or above $19 and below $23 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting percentage |  |  |  |  |  |  |  | 66.00% |  |  |  |  |  |  |  |  |  |  |
Maximum [Member] | Restricted Stock [Member] | Employees [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Closing price, per share |  |  |  |  | $ 19.41 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum [Member] | 2019 Fundamental EPS [Member] | August 2016 Awards [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fundamental EPS |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.00 |  |  |  |
Maximum [Member] | 2018 Fundamental EPS [Member] | August 2015 Awards [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fundamental EPS |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3.76 |  |  |  |
[1] | Certain amounts have been restated to correct the misstatement discussed in Note 1.

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