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Fair Value Measurements - Schedule of Financial Assets and Financial Liabilities Measured at Fair Value (Details) - USD ($) | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Unrealized gain (loss) | $ 887,000 | $ 295,000 | $ 2,810,000 | $ (1,898,000) |
Measurement Input, Discount Rate |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Minimum range of unobservable inputs |  |  | 0.00% |  | 0.00%
Maximum range of unobservable inputs |  |  | 8.00% |  | 8.00%
Measurement Input, Appraisal Adjustments |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Minimum range of unobservable inputs |  |  | 0.00% |  | 0.00%
Maximum range of unobservable inputs |  |  | 10.00% |  | 10.00%
Fair Value Measured at Net Asset Value Per Share |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Equity investment funds measured at NAV | 3,800,000 |  | $ 3,800,000 |  | $ 3,400,000
Items measured on a recurring basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Debt securities available-for-sale | 721,484,000 |  | 721,484,000 |  | 753,892,000
Equity investments | 55,611,000 |  | 55,611,000 |  | 53,166,000
Interest rate derivative asset | 103,246,000 |  | 103,246,000 |  | 87,776,000
Interest rate derivative liability | (104,283,000) |  | (104,283,000) |  | (87,848,000)
Items measured on a recurring basis | Level 1 Inputs |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Debt securities available-for-sale | 46,830,000 |  | 46,830,000 |  | 43,036,000
Equity investments | 0 |  | 0 |  | 0
Interest rate derivative asset | 0 |  | 0 |  | 0
Interest rate derivative liability | 0 |  | 0 |  | 0
Items measured on a recurring basis | Level 2 Inputs |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Debt securities available-for-sale | 674,654,000 |  | 674,654,000 |  | 710,856,000
Equity investments | 55,611,000 |  | 55,611,000 |  | 53,166,000
Interest rate derivative asset | 103,246,000 |  | 103,246,000 |  | 87,776,000
Interest rate derivative liability | (104,283,000) |  | (104,283,000) |  | (87,848,000)
Items measured on a recurring basis | Level 3 Inputs |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Debt securities available-for-sale | 0 |  | 0 |  | 0
Equity investments | 0 |  | 0 |  | 0
Interest rate derivative asset | 0 |  | 0 |  | 0
Interest rate derivative liability | 0 |  | 0 |  | 0
Items measured on a non-recurring basis |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Equity investments | 48,521,000 |  | 48,521,000 |  | 46,997,000
Items measured on a non-recurring basis | Loans measured for impairment based on the fair value of the underlying collateral |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Loans measured for impairment based on the fair value of the underlying collateral | 23,360,000 |  | 23,360,000 |  | 18,509,000
Items measured on a non-recurring basis | Level 1 Inputs |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Equity investments | 0 |  | 0 |  | 0
Items measured on a non-recurring basis | Level 1 Inputs | Loans measured for impairment based on the fair value of the underlying collateral |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Loans measured for impairment based on the fair value of the underlying collateral | 0 |  | 0 |  | 0
Items measured on a non-recurring basis | Level 2 Inputs |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Equity investments | 0 |  | 0 |  | 0
Items measured on a non-recurring basis | Level 2 Inputs | Loans measured for impairment based on the fair value of the underlying collateral |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Loans measured for impairment based on the fair value of the underlying collateral | 0 |  | 0 |  | 0
Items measured on a non-recurring basis | Level 3 Inputs |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Equity investments | 44,738,000 |  | 44,738,000 |  | 43,576,000
Items measured on a non-recurring basis | Level 3 Inputs | Loans measured for impairment based on the fair value of the underlying collateral |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Loans measured for impairment based on the fair value of the underlying collateral | 23,360,000 |  | 23,360,000 |  | 18,509,000
Items measured on a non-recurring basis | Fair Value Measured at Net Asset Value Per Share |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Equity investments | $ 44,700,000 |  | 44,700,000 |  | 43,600,000
Unrealized gain (loss) |  |  | $ 0 |  | $ 0

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