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Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Statement of Financial Position [Abstract] |  |
Amortized Cost | $ 1,129,057 | $ 838,994
Allowance for credit losses | (167) | 0
Time deposits 100,000 or more | $ 100 | $ 100
Common stock, par value (in dollars per share) | $ 0.01 | $ 0.01
Common stock, authorized (in shares) | 100,000,000 | 100,000,000
Common stock, issued (in shares) | 31,779,663 | 33,241,496
Common stock, outstanding (in shares) | 31,779,663 | 33,241,496

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