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Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands | Cumulative Effect, Period of Adoption, Adjustment [Member] Common Stock [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] Additional Paid-in Capital [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] AOCI Attributable to Parent [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] Retained Earnings [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] Parent [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] Noncontrolling Interest [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Common Stock [Member] | Additional Paid-in Capital [Member] | AOCI Attributable to Parent [Member] | Retained Earnings [Member] | Parent [Member] | Noncontrolling Interest [Member] | Total
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balances (in shares) at Dec. 31, 2019 |  |  |  |  |  |  |  |  | 45,503,805 |  |  |  |  |  |
Balances (Accounting Standards Update 2016-13 [Member]) at Dec. 31, 2019 |  | $ 0 | $ 0 | $ 0 | $ (366) | $ (366) | $ 0 | $ (366) |  |  |  |  |  |  |
Balances at Dec. 31, 2019 |  |  |  |  |  |  |  |  | $ 456 | $ 549,307 | $ (2,645) | $ 594,353 | $ 1,141,471 | $ 36,945 | $ 1,178,416
Net income (loss) |  |  |  |  |  |  |  |  | 0 | 0 | 0 | (153,127) | (153,127) | (18,741) | (171,868)
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | $ 0 | 0 | (3,357) | 0 | (3,357) | 0 | (3,357)
Purchases of common stock (in shares) | [1] |  |  |  |  |  |  |  | (55,273) |  |  |  |  |  |
Dividends on common stock ($0.13 per share) |  |  |  |  |  |  |  |  | $ 0 | 0 | 0 | (17,797) | (17,797) | 0 | (17,797)
Transactions with non-controlling interests |  |  |  |  |  |  |  |  | $ 0 | 0 | 0 | 0 | 0 | (810) | (810)
Amortized RSUs and other (in shares) |  |  |  |  |  |  |  |  | 33,657 |  |  |  |  |  |
Amortized RSUs and other |  |  |  |  |  |  |  |  | $ 0 | 5,746 | 2 | (217) | 5,531 | (1) | 5,530
Purchases of common stock (in shares) | [1] |  |  |  |  |  |  |  | (55,273) |  |  |  |  |  |
Purchases of common stock | [1] |  |  |  |  |  |  |  | $ (1) | (750) | 0 | 0 | (751) | 0 | (751)
RSUs vested (in shares) |  |  |  |  |  |  |  |  | 173,493 |  |  |  |  |  |
RSUs vested |  |  |  |  |  |  |  |  | $ 2 | 0 | 0 | 0 | 2 | 0 | 2
Purchases of common stock | [1] |  |  |  |  |  |  |  | $ (1) | (750) | 0 | 0 | (751) | 0 | (751)
Balances (in shares) at Sep. 30, 2020 |  |  |  |  |  |  |  |  | 45,655,682 |  |  |  |  |  |
Balances at Sep. 30, 2020 |  |  |  |  |  |  |  |  | $ 457 | 554,303 | (6,000) | 422,846 | 971,606 | 17,393 | 988,999
Balances (in shares) at Jun. 30, 2020 |  |  |  |  |  |  |  |  | 45,651,914 |  |  |  |  |  |
Balances at Jun. 30, 2020 |  |  |  |  |  |  |  |  | $ 458 | 553,038 | (5,800) | 520,025 | 1,067,721 | 23,039 | 1,090,760
Net income (loss) |  |  |  |  |  |  |  |  | 0 | 0 | 0 | (91,162) | (91,162) | (7,195) | (98,357)
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | $ 0 | 0 | (202) | 0 | (202) | 0 | (202)
Purchases of common stock (in shares) | [1] |  |  |  |  |  |  |  | (1,352) |  |  |  |  |  |
Dividends on common stock ($0.13 per share) |  |  |  |  |  |  |  |  | $ 0 | 0 | 0 | (5,935) | (5,935) | 0 | (5,935)
Transactions with non-controlling interests |  |  |  |  |  |  |  |  | $ 0 | 0 | 0 | 0 | 0 | 1,549 | 1,549
Amortized RSUs and other (in shares) |  |  |  |  |  |  |  |  | (13) |  |  |  |  |  |
Amortized RSUs and other |  |  |  |  |  |  |  |  | $ (1) | 1,290 | 2 | (82) | 1,209 | 0 | 1,209
Purchases of common stock (in shares) | [1] |  |  |  |  |  |  |  | (1,352) |  |  |  |  |  |
Purchases of common stock | [1] |  |  |  |  |  |  |  | $ 0 | (25) | 0 | 0 | (25) | 0 | (25)
RSUs vested (in shares) |  |  |  |  |  |  |  |  | 5,133 |  |  |  |  |  |
RSUs vested |  |  |  |  |  |  |  |  | $ 0 | 0 | 0 | 0 | 0 | 0 | 0
Purchases of common stock | [1] |  |  |  |  |  |  |  | $ 0 | (25) | 0 | 0 | (25) | 0 | (25)
Balances (in shares) at Sep. 30, 2020 |  |  |  |  |  |  |  |  | 45,655,682 |  |  |  |  |  |
Balances at Sep. 30, 2020 |  |  |  |  |  |  |  |  | $ 457 | 554,303 | (6,000) | 422,846 | 971,606 | 17,393 | 988,999
Balances (in shares) at Dec. 31, 2020 |  |  |  |  |  |  |  |  | 45,668,541 |  |  |  |  |  |
Balances at Dec. 31, 2020 |  |  |  |  |  |  |  |  | $ 457 | 555,407 | (5,035) | 424,835 | 975,664 | 15,946 | 991,610
Net income (loss) |  |  |  |  |  |  |  |  | 0 | 0 | 0 | 23,309 | 23,309 | (462) | 22,847
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | $ 0 | 0 | 1,566 | 0 | 1,566 | 0 | 1,566
Purchases of common stock (in shares) | [1] |  |  |  |  |  |  |  | (65,283) |  |  |  |  |  |
Dividends on common stock ($0.13 per share) |  |  |  |  |  |  |  |  | $ 0 | 0 | 0 | (17,867) | (17,867) | 0 | (17,867)
Transactions with non-controlling interests |  |  |  |  |  |  |  |  | $ 0 | 0 | 0 | 0 | 0 | 21,685 | 21,685
Amortized RSUs and other (in shares) |  |  |  |  |  |  |  |  | (815) |  |  |  |  |  |
Amortized RSUs and other |  |  |  |  |  |  |  |  | $ 0 | 5,318 | 1 | (203) | 5,116 | 0 | 5,116
Purchases of common stock (in shares) | [1] |  |  |  |  |  |  |  | (65,283) |  |  |  |  |  |
Purchases of common stock | [1] |  |  |  |  |  |  |  | $ (1) | (2,602) | 0 | 0 | (2,603) | 0 | (2,603)
RSUs vested (in shares) |  |  |  |  |  |  |  |  | 223,966 |  |  |  |  |  |
RSUs vested |  |  |  |  |  |  |  |  | $ 2 | (2) | 0 | 0 | 0 | 0 | 0
Purchases of common stock | [1] |  |  |  |  |  |  |  | $ (1) | (2,602) | 0 | 0 | (2,603) | 0 | (2,603)
Balances (in shares) at Sep. 30, 2021 |  |  |  |  |  |  |  |  | 45,826,409 |  |  |  |  |  |
Balances at Sep. 30, 2021 |  |  |  |  |  |  |  |  | $ 458 | 558,121 | (3,468) | 430,074 | 985,185 | 37,169 | 1,022,354
Balances (in shares) at Jun. 30, 2021 |  |  |  |  |  |  |  |  | 45,818,719 |  |  |  |  |  |
Balances at Jun. 30, 2021 |  |  |  |  |  |  |  |  | $ 458 | 556,615 | (2,750) | 401,061 | 955,384 | 32,858 | 988,242
Net income (loss) |  |  |  |  |  |  |  |  | 0 | 0 | 0 | 35,043 | 35,043 | (2,620) | 32,423
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | $ 0 | 0 | (717) | 0 | (717) | 0 | (717)
Purchases of common stock (in shares) | [1] |  |  |  |  |  |  |  | (2,683) |  |  |  |  |  |
Purchases of common stock | [1] |  |  |  |  |  |  |  | $ 0 | (105) | 0 | 0 | (105) | 0 | (105)
Restricted stock units (“RSUs”) vested (in shares) |  |  |  |  |  |  |  |  | 10,399 |  |  |  |  |  |
Restricted stock units (“RSUs”) vested |  |  |  |  |  |  |  |  | $ 0 | 0 | 0 | 0 | 0 | 0 | 0
Dividends on common stock ($0.13 per share) |  |  |  |  |  |  |  |  | 0 | 0 | 0 | (5,958) | (5,958) | 0 | (5,958)
Transactions with non-controlling interests |  |  |  |  |  |  |  |  | $ 0 | 0 | 0 | 0 | 0 | 6,931 | 6,931
Amortized RSUs and other (in shares) |  |  |  |  |  |  |  |  | (26) |  |  |  |  |  |
Amortized RSUs and other |  |  |  |  |  |  |  |  | $ 0 | 1,611 | (1) | (72) | 1,538 | 0 | 1,538
Purchases of common stock (in shares) | [1] |  |  |  |  |  |  |  | (2,683) |  |  |  |  |  |
Balances (in shares) at Sep. 30, 2021 |  |  |  |  |  |  |  |  | 45,826,409 |  |  |  |  |  |
Balances at Sep. 30, 2021 |  |  |  |  |  |  |  |  | $ 458 | $ 558,121 | $ (3,468) | $ 430,074 | $ 985,185 | $ 37,169 | $ 1,022,354
[1] | On June 2, 2021, the Company's stockholders approved the 2021 Equity Incentive Plan, which replaced the Amended and Restated 2012 Equity Incentive Plan. This amount represents shares purchased in connection with employee tax withholding for RSUs vested under our 2012 and 2021 Equity Incentive Plans.

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