Share-Based Payments - Performance Stock Units (Details)	6 Months Ended
	Jun. 30, 2021 $ / shares shares
Total PSUs
Number of PSUs
Nonvested, beginning balance (in shares)	15,625
Granted (in shares)	115,000
Nonvested, ending balance (in shares)	130,625
Weighted-Average Grant Date Fair Value per Share
Nonvested, beginning balance (in dollars per share) | $ / shares	$ 23.41
Weighted average fair value, grant date, (in dollars per share) | $ / shares	29.55
Nonvested, ending balance (in dollars per share) | $ / shares	$ 28.81
Vested (in shares)	0
Forfeited (in shares)	0
Performance-Based Units
Number of PSUs
Nonvested, beginning balance (in shares)	0
Granted (in shares)	95,000
Nonvested, ending balance (in shares)	95,000
Weighted-Average Grant Date Fair Value per Share
Nonvested, beginning balance (in dollars per share) | $ / shares	$ 0
Weighted average fair value, grant date, (in dollars per share) | $ / shares	29.74
Nonvested, ending balance (in dollars per share) | $ / shares	$ 29.74
Market-Based Units
Number of PSUs
Nonvested, beginning balance (in shares)	15,625
Granted (in shares)	20,000
Nonvested, ending balance (in shares)	35,625
Weighted-Average Grant Date Fair Value per Share
Nonvested, beginning balance (in dollars per share) | $ / shares	$ 23.41
Weighted average fair value, grant date, (in dollars per share) | $ / shares	28.63
Nonvested, ending balance (in dollars per share) | $ / shares	$ 26.34