Schedule I - Condensed Financial Information of the Registrant - Condensed Statements of Cash Flows (Details) - USD ($)
$ in Thousands |
12 Months Ended |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
| Net loss |
$ (22,572)
|
$ (85,378)
|
$ (11,521)
|
| Prepaid expenses |
(1,332)
|
(1,264)
|
715
|
| Net cash provided by (used in) operating activities |
78,332
|
36,170
|
87,989
|
| Net cash provided by (used in) investing activities |
(50,137)
|
(39,283)
|
(127,932)
|
| Repurchase of stock |
(906)
|
(560)
|
(1,320)
|
| Proceeds from stock option exercise |
0
|
158
|
685
|
| Net cash (used in) provided by financing activities |
(14,905)
|
71,643
|
(17,683)
|
| Increase (decrease) in cash and cash equivalents |
13,288
|
68,527
|
(57,622)
|
| Parent Company [Member] |
|
|
|
| Net loss |
(22,572)
|
(85,378)
|
(11,752)
|
| Equity income from subsidiaries |
22,587
|
85,349
|
11,807
|
| Prepaid expenses |
(5)
|
(1)
|
23
|
| Intercompany payable/receivable |
2,447
|
64
|
570
|
| Net cash provided by (used in) operating activities |
2,457
|
34
|
648
|
| Investment in subsidiaries |
0
|
0
|
(13,280)
|
| Distributions received from subsidiaries |
906
|
560
|
0
|
| Net cash provided by (used in) investing activities |
906
|
560
|
(13,280)
|
| Repurchase of stock |
(906)
|
(560)
|
(1,320)
|
| Proceeds from stock option exercise |
0
|
158
|
685
|
| Net cash (used in) provided by financing activities |
(906)
|
(402)
|
(635)
|
| Increase (decrease) in cash and cash equivalents |
2,457
|
192
|
(13,267)
|
| Cash and cash equivalents, beginning of period |
474
|
282
|
13,549
|
| Cash and cash equivalents, end of period |
$ 2,931
|
$ 474
|
$ 282
|