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BENEFIT PLANS AND CAPITAL TRANSACTIONS - Narrative (Details) - USD ($) |  |  |  |  | 1 Months Ended | 12 Months Ended |  |  |  |  |
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Jan. 15, 2021 | Sep. 04, 2020 | Oct. 11, 2019 | Oct. 07, 2019 | Oct. 30, 2018 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Jan. 09, 2024 | Feb. 22, 2023 | Oct. 28, 2021 | Oct. 25, 2021 | Dec. 31, 2020
Benefit Plans and Capital Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Employer contribution |  |  |  |  |  | $ 2,657,000 | $ 2,550,000 | $ 2,125,000 |  |  |  |  |
Authorized amount |  |  |  |  |  |  |  |  |  |  |  | $ 50,000,000 |
Stock repurchase program, remaining authorized repurchase amount |  |  |  |  |  | $ 34,206,000 |  |  |  |  |  |  |
Sold price per unit (in dollars per share) | $ 2,090,909 |  |  |  |  |  |  | $ 10.00 |  |  |  |  |
Share issued (in shares) | 55.00 |  |  |  |  |  |  |  |  |  |  |  |
Net proceeds (in dollars) | $ 114,507,000 |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, par value (in dollars per share) |  |  |  |  |  | $ 0.0001 | $ 0.0001 |  |  |  |  |  |
Preferred stock, liquidation preference |  |  |  |  |  | $ 114,082,000 | $ 113,615,000 |  |  |  |  |  |
Depository shares (in shares) |  |  |  |  |  | 0 | 20 |  |  |  |  |  |
Common stock, shares issued (in shares) |  |  |  |  |  | 29,937,067 | 28,523,764 |  |  |  |  |  |
Common stock, shares outstanding (in shares) |  |  |  |  |  | 29,937,067 | 28,523,764 |  |  |  |  |  |
Dividends payable (in dollars per share) |  |  |  |  |  |  |  |  |  | $ 0.50 |  |  |
Dividends paid in cash (in dollars) |  |  |  |  |  | $ 141,100,000 | $ 119,454,000 | $ 347,135,000 |  |  |  |  |
Minimum | Board of Directors |  |  |  |  |  |  |  |  |  |  |  |  |
Benefit Plans and Capital Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends payable (in dollars per share) |  |  |  |  |  |  |  |  |  |  | $ 0.50 |  |
Maximum | Board of Directors |  |  |  |  |  |  |  |  |  |  |  |  |
Benefit Plans and Capital Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends payable (in dollars per share) |  |  |  |  |  |  |  |  |  |  | $ 1.00 |  |
Series A Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |  |
Benefit Plans and Capital Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, liquidation preference |  |  |  |  |  |  | $ 70,854,000 |  |  |  |  |  |
Common stock, shares issued (in shares) |  |  |  |  |  |  | 2,834 |  |  |  |  |  |
Common stock, shares outstanding (in shares) |  |  |  |  |  |  | 2,834 |  |  |  |  |  |
Depositary Shares, each representing a 1/1000th fractional interest in a 6.875% share of Series A Cumulative Perpetual Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |  |
Benefit Plans and Capital Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends payable (in dollars per share) |  |  |  |  |  | $ 0.4296875 | $ 0.4296875 |  |  |  |  |  |
Series B Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |  |
Benefit Plans and Capital Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock percentage |  | 7.375% |  |  |  |  |  |  |  |  |  |  |
Preferred stock, par value (in dollars per share) |  | $ 0.0001 |  |  |  |  |  |  |  |  |  |  |
Preferred stock, liquidation preference |  | $ 25,000 |  |  |  | $ 43,228,000 | $ 42,761,000 |  |  |  |  |  |
Price per share (in dollars per share) |  | $ 25 |  |  |  |  |  |  |  |  |  |  |
Common stock shares issued (in shares) |  | 1,300 |  |  |  |  |  |  |  |  |  |  |
Depositary shares issued (in shares) |  | 1,300,000 |  |  |  |  |  |  |  |  |  |  |
Gross proceeds from depositary shares (in dollars) |  | $ 32,500,000 |  |  |  |  |  |  |  |  |  |  |
Depository shares (in shares) |  |  |  |  |  | 18 | 13 |  |  |  |  |  |
Common stock, shares issued (in shares) |  |  |  |  |  | 1,729 | 1,710 |  |  |  |  |  |
Common stock, shares outstanding (in shares) |  |  |  |  |  | 1,729 | 1,710 |  |  |  |  |  |
Depositary Shares, each representing a 1/1000th fractional interest in a 7.375% share of Series B Cumulative Perpetual Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |  |
Benefit Plans and Capital Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends payable (in dollars per share) |  |  |  |  |  | $ 0.4609375 | $ 0.4609375 |  |  |  |  |  |
Common Stock, par value $0.0001 per share |  |  |  |  |  |  |  |  |  |  |  |  |
Benefit Plans and Capital Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Authorized annual share repurchase amount (in dollars) |  |  |  |  | $ 50,000,000 |  |  |  |  |  |  |  |
Repurchase shares of common stock (in shares) |  |  |  |  |  | 2,174,608 |  |  |  |  |  |  |
Repurchase of common stock amount (in dollars) |  |  |  |  |  | $ 69,490,000 |  |  |  |  |  |  |
Average price (in dollars per share) |  |  |  |  |  | $ 31.95 |  |  |  |  |  |  |
Common stock, shares outstanding (in shares) |  |  |  |  |  | 29,937,067 | 28,523,764 | 27,591,028 |  |  |  |  | 25,777,796
Depositary Shares | Series A Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |  |
Benefit Plans and Capital Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock percentage |  |  |  | 6.875% |  | 6.875% |  |  |  |  |  |  |
Preferred stock, par value (in dollars per share) |  |  |  | $ 0.0001 |  |  |  |  |  |  |  |  |
Preferred stock, liquidation preference |  |  |  | $ 25,000 |  | $ 25,000 |  |  |  |  |  |  |
Price per share (in dollars per share) |  |  |  | $ 25.00 |  | $ 25.00 |  |  |  |  |  |  |
Common stock shares issued (in shares) |  |  |  | 2,000 |  |  |  |  |  |  |  |  |
Depositary shares issued (in shares) |  |  | 300,000 | 2,000,000 |  |  |  |  |  |  |  |  |
Offering of depositary shares (in shares) |  |  |  | 2,300,000 |  |  |  |  |  |  |  |  |
Gross proceeds from depositary shares (in dollars) |  |  |  | $ 57,500 |  |  |  |  |  |  |  |  |
Dividends payable |  |  |  |  |  |  | $ 812,000 |  |  |  |  |  |
Depositary Shares | Series A Preferred Stock | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |
Benefit Plans and Capital Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Depository per share (in dollars per share) |  |  |  |  |  |  |  |  | $ 0.4296875 |  |  |  |
Depositary Shares | Series A Preferred Stock | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |
Benefit Plans and Capital Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Depository per share (in dollars per share) |  |  |  |  |  | 1,718.75 |  |  |  |  |  |  |
Depositary Shares | Series A Preferred Stock | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |
Benefit Plans and Capital Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Depository per share (in dollars per share) |  |  |  |  |  | $ 1.71875 |  |  |  |  |  |  |
Depositary Shares | Series B Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |  |
Benefit Plans and Capital Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Dividends payable |  |  |  |  |  | $ 531,000 | $ 526,000 |  |  |  |  |  |
Depositary Shares | Series B Preferred Stock | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |
Benefit Plans and Capital Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Depository per share (in dollars per share) |  |  |  |  |  |  |  |  | $ 0.4609375 |  |  |  |
Depositary Shares | Series B Preferred Stock | Board of Directors |  |  |  |  |  |  |  |  |  |  |  |  |
Benefit Plans and Capital Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock percentage |  |  |  |  |  |  | 7.375% |  |  |  |  |  |
Preferred stock, liquidation preference |  |  |  |  |  |  | $ 25,000 |  |  |  |  |  |
Price per share (in dollars per share) |  |  |  |  |  |  | $ 25.00 |  |  |  |  |  |
Depositary Shares | Series B Preferred Stock | Minimum | Board of Directors |  |  |  |  |  |  |  |  |  |  |  |  |
Benefit Plans and Capital Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Depository per share (in dollars per share) |  |  |  |  |  |  | 1,843.75 |  |  |  |  |  |
Depositary Shares | Series B Preferred Stock | Maximum | Board of Directors |  |  |  |  |  |  |  |  |  |  |  |  |
Benefit Plans and Capital Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Depository per share (in dollars per share) |  |  |  |  |  |  | $ 1.84375 |  |  |  |  |  |
Employee Stock |  |  |  |  |  |  |  |  |  |  |  |  |
Benefit Plans and Capital Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based payment arrangement, expense |  |  |  |  |  | $ 625,000 | $ 369,000 | $ 758,000 |  |  |  |  |
Shares reserved for issuance (in shares) |  |  |  |  |  | 236,949 | 362,986 |  |  |  |  |  |

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