CAPITAL TRANSACTIONS Share-Based Compensation (Details) - USD ($) $ / shares in Units, $ in Thousands |
1 Months Ended | 3 Months Ended | 12 Months Ended | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Apr. 03, 2017 |
Mar. 07, 2017 |
Dec. 05, 2016 |
Nov. 02, 2016 |
Sep. 02, 2016 |
Aug. 05, 2016 |
Jun. 06, 2016 |
May 10, 2016 |
Mar. 22, 2016 |
Feb. 24, 2016 |
Jan. 31, 2015 |
Dec. 31, 2017 |
Sep. 30, 2017 |
Jun. 30, 2017 |
Mar. 31, 2017 |
Dec. 31, 2016 |
Sep. 30, 2016 |
Jun. 30, 2016 |
Mar. 31, 2016 |
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
Nov. 30, 2014 |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||||||||||||||||||||||
| Cash dividend per common share (in dollars per share) | $ 0.10 | $ 0.10 | $ 0.10 | $ 0.10 | $ 0.10 | $ 0 | $ 0 | $ 0 | $ 0.1 | $ 0.1000 | $ 0.1000 | $ 0.1000 | $ 0.1000 | $ 0.10 | $ 0.4 | $ 0.4 | |||||||
| Dividend paid | $ 1,800 | $ 1,900 | $ 1,900 | $ 1,900 | $ 1,900 | $ 1,848 | $ 7,509 | $ 7,490 | |||||||||||||||
| Repurchase of common stock (in shares) | 0 | 0 | 501,000 | ||||||||||||||||||||
| 2012 Stock Incentive Plan | |||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||||||||||||||||||||||
| Number of shares authorized under the plan | 1,500,000 | 1,500,000 | |||||||||||||||||||||
| Additional number of shares authorized under the plan | 1,500,000 | ||||||||||||||||||||||
| 2009 Incentive Plan | |||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||||||||||||||||||||||
| Number of shares authorized under the plan | 400,000 | 400,000 | |||||||||||||||||||||
| 2014 Share Repurchase Program 2014 | |||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||||||||||||||||||||||
| Stock repurchase program, authorized amount | $ 20,000 | ||||||||||||||||||||||